603 Area Code
Area code 603 is in New Hampshire covering Manchester , along with Alton, Amherst and 94 towns and cities.
603 Area Code Phone Lookup
203/475
Cities covering area code 603
View more
Alton
Amherst
Antrim
Ashland
Bartlett
Belmont
Bennington
Berlin
Bethlehem
Blodgett Landing
Bradford
Bristol
Canaan
Center Ossipee
Center Sandwich
Charlestown
Claremont
Colebrook
Concord
Contoocook
Conway
Derry
Dover
Durham
East Merrimack
Enfield
Epping
Exeter
Farmington
Franklin
Goffstown
Gorham
Greenville
Groveton
Hampton
Hampton Beach
Hancock
Hanover
Henniker
Hillsborough
Hinsdale
Hooksett
Hudson
Jaffrey
Keene
Laconia
Lancaster
Lebanon
Lincoln
Lisbon
Littleton
Londonderry
Loudon
Manchester
Marlborough
Melvin Village
Meredith
Milford
Milton
Milton Mills
Mountain Lakes
Nashua
New Hampton
New London
Newbury
Newfields
Newmarket
Newport
North Conway
North Walpole
North Woodstock
Peterborough
Pinardville
Pittsfield
Plainfield
Plymouth
Portsmouth
Raymond
Rochester
Sanbornville
Seabrook Beach
Somersworth
South Hooksett
Suissevale
Suncook
Tilton Northfield
Troy
Union
Walpole
Warner
West Stewartstown
West Swanzey
Whitefield
Wilton
Winchester
Wolfeboro
Woodsville
Zip Codes that Use 603 Area Code
03104
03064
03801
03253
03768
03431
03106
03079
03223
03579
03570
03038
03222
03101
03303
03063
03110
03304
03848
03051
03215
03576
03264
03441
03102
03447
03042
03782
03820
03031
03217
03784
03226
03443
03865
03458
03561
03055
03070
03301
03220
03218
03777
03249
03844
03755
03575
03825
03741
03227
03821
03856
03743
03785
03054
03048
03824
03809
03814
03766
03036
03748
03282
03235
03053
03588
03811
03840
03451
03868
03275
03810
03827
03262
03448
03812
03849
03773
03853
03034
03819
03842
03045
03583
03470
03833
03467
03242
03574
03603
03605
03813
03582
04027
03874
03037
03440
03049
03745
03851
03254
03852
03032
03237
03082
03841
03464
03224
03857
03584
03216
03076
03816
03246
03449
03233
03244
03452
03592
03043
03858
03444
03241
03279
03087
03060
03466
03062
03261
03268
03771
03750
03818
03103
03846
03878
03263
03077
03781
03740
03461
03886
03276
03838
03234
03251
03278
03835
03602
03751
03779
03862
03230
03765
03266
03258
03580
03450
03047
03839
03601
03598
03595
03457
03872
03608
03867
03581
03221
03894
03883
03843
03238
Phone Number Prefixes inArea code 603
| Prefix | County | City | Carrier | Type |
|---|---|---|---|---|
| (603) 203 | Hillsborough | Manchester | New Cingular Wireless Pcs, Llc - Dc | Wireless |
| (603) 204 | Hillsborough | Nashua | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 205 | Rockingham | Portsmouth | Omnipoint Miami E License, Llc | Wireless |
| (603) 206 | Belknap | Meredith | Paetec Communications, Inc. - Nh | Landline |
| (603) 208 | Grafton | Lyme | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 209 | Cheshire | Keene | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 210 | Merrimack | Hooksett | Comcast Phone Of New Hampshire, Llc - Nh | Landline |
| (603) 212 | Rockingham | Salem | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 213 | Grafton | Campton | N/A | |
| (603) 214 | Coos | Errol | Freedom Ring Communications, Llc | Landline |
| (603) 215 | Coos | Berlin | Freedom Ring Communications, Llc | Landline |
| (603) 216 | Rockingham | Derry | Comcast Phone Of New Hampshire, Llc - Nh | Landline |
| (603) 217 | Grafton | Bristol | Rnk, Inc. | Landline |
| (603) 218 | Hillsborough | Manchester | Broadview Networks, Inc. - Nh | Landline |
| (603) 219 | Merrimack | Concord | Sprint Spectrum L.p. - Nh | Wireless |
| (603) 221 | Hillsborough | Nashua | No New England Tel Op Dba Fairpoint Comm - Nh | Wireless |
| (603) 222 | Hillsborough | Bedford | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 223 | Merrimack | Bow | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 224 | Merrimack | Bow | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 225 | Merrimack | Bow | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 226 | Merrimack | Bow | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 227 | Merrimack | Bow | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 228 | Merrimack | Bow | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 229 | Merrimack | Bow | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 230 | Merrimack | Bow | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 231 | Rockingham | Kingston | Nextel Communications, Inc. | Wireless |
| (603) 232 | Hillsborough | Manchester | Comcast Phone Of New Hampshire, Llc - Nh | Landline |
| (603) 233 | Hillsborough | Nashua | Omnipoint Miami E License, Llc | Wireless |
| (603) 234 | Hillsborough | Hudson | Nextel Communications, Inc. | Wireless |
| (603) 235 | Rockingham | Derry | Nextel Communications, Inc. | Wireless |
| (603) 236 | Grafton | Waterville Valley | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 237 | Coos | Colebrook | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 238 | Grafton | Plymouth | Paetec Communications, Inc. - Nh | Landline |
| (603) 239 | Cheshire | Ashuelot | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 240 | Hillsborough | Manchester | No New England Tel Op Dba Fairpoint Comm - Nh | Wireless |
| (603) 241 | Hillsborough | Manchester | No New England Tel Op Dba Fairpoint Comm - Nh | Wireless |
| (603) 242 | Cheshire | Fitzwilliam | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 244 | Rockingham | Epping | Comcast Phone Of New Hampshire, Llc - Nh | Landline |
| (603) 245 | Sullivan | Sunapee | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 246 | Coos | Colebrook | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 247 | Rockingham | Derry | New Cingular Wireless Pcs, Llc - Dc | Wireless |
| (603) 248 | Strafford | Dover | No New England Tel Op Dba Fairpoint Comm - Nh | Wireless |
| (603) 249 | Hillsborough | Amherst | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 250 | Grafton | Ashland | Freedom Ring Communications, Llc | Landline |
| (603) 251 | Rockingham | Salem | Global Naps, Inc. - Nh | Landline |
| (603) 252 | Grafton | West Lebanon | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 253 | Belknap | Center Harbor | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 254 | Grafton | Plymouth | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 255 | Coos | Colebrook | Dixville Telephone Co. | Landline |
| (603) 256 | Cheshire | Chesterfield | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 257 | Rockingham | Plaistow | Freedom Ring Communications, Llc | Landline |
| (603) 258 | Hillsborough | Peterborough | Global Naps, Inc. - Nh | Landline |
| (603) 259 | Grafton | Littleton | Level 3 Communications - Nh | Landline |
| (603) 261 | Hillsborough | Milford | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 262 | Hillsborough | Amherst | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 263 | Hillsborough | Manchester | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 264 | Hillsborough | Manchester | Omnipoint Miami E License, Llc | Wireless |
| (603) 265 | Hillsborough | New Boston | Omnipoint Miami E License, Llc | Wireless |
| (603) 266 | Merrimack | Concord | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 267 | Belknap | Belmont | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 268 | Merrimack | Hooksett | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 269 | Belknap | Barnstead | Union Telephone Co. - Nh | Landline |
| (603) 270 | Hillsborough | Manchester | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 271 | Merrimack | Concord | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 272 | Grafton | Orford | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 273 | Belknap | Gilford | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 274 | Rockingham | Hampton Falls | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 275 | Rockingham | Derry | Omnipoint Miami E License, Llc | Wireless |
| (603) 276 | Grafton | West Lebanon | Bell Atlantic Nynex Mobile | Wireless |
| (603) 277 | Grafton | Hanover | Comcast Phone Of New Hampshire, Llc - Nh | N/A |
| (603) 278 | Coos | Bretton Woods | Bretton Woods Telephone Co. | Landline |
| (603) 279 | Belknap | Center Harbor | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 280 | Strafford | Barrington | Level 3 Communications - Nh | Landline |
| (603) 281 | Hillsborough | Nashua | No New England Tel Op Dba Fairpoint Comm - Nh | Wireless |
| (603) 282 | Grafton | Canaan | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 283 | Cheshire | Keene | Paetec Communications, Inc. - Nh | Landline |
| (603) 284 | Carroll | Center Sandwich | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 285 | Strafford | Dover | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 286 | Rockingham | Newfields | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 287 | Sullivan | Claremont | Level 3 Communications - Nh | Landline |
| (603) 288 | Grafton | Woodsville | Global Naps, Inc. - Nh | Landline |
| (603) 289 | Hillsborough | Merrimack | New Cingular Wireless Pcs, Llc - Dc | Wireless |
| (603) 290 | Merrimack | Concord | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 291 | Hillsborough | Greenville | Comcast Phone Of New Hampshire, Llc - Nh | N/A |
| (603) 292 | Strafford | Durham | Comcast Phone Of New Hampshire, Llc - Nh | Landline |
| (603) 293 | Belknap | Alton | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 294 | Rockingham | Portsmouth | Level 3 Communications - Nh | Landline |
| (603) 295 | Strafford | Durham | Paetec Communications, Inc. - Nh | Landline |
| (603) 296 | Hillsborough | Bedford | Choice One Of New Hampshire, Inc. | Landline |
| (603) 297 | Carroll | Center Ossipee | Freedom Ring Communications, Llc | Landline |
| (603) 298 | Grafton | Lebanon | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 299 | Strafford | Dover | Global Naps, Inc. - Nh | Landline |
| (603) 300 | Rockingham | Chester | Nextel Communications, Inc. | Wireless |
| (603) 301 | Carroll | Center Ossipee | Rnk, Inc. | Landline |
| (603) 302 | Hillsborough | Manchester | No New England Tel Op Dba Fairpoint Comm - Nh | Wireless |
| (603) 303 | Hillsborough | Manchester | Bell Atlantic Nynex Mobile | Wireless |
| (603) 304 | Grafton | Enfield | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 305 | Hillsborough | Bedford | Bell Atlantic Nynex Mobile | Wireless |
| (603) 306 | Grafton | Lebanon | National Mobile Communications Corporation - Vt | N/A |
| (603) 307 | Cheshire | Chesterfield | Global Naps, Inc. - Nh | Landline |
| (603) 308 | Grafton | Wentworth | Global Naps, Inc. - Nh | Landline |
| (603) 309 | Merrimack | Franklin | Global Naps, Inc. - Nh | Landline |
| (603) 310 | Hillsborough | Bedford | Ctc Communications - Nh | Landline |
| (603) 312 | Strafford | Dover | Bell Atlantic Nynex Mobile | Wireless |
| (603) 313 | Cheshire | Keene | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 314 | Merrimack | Hooksett | Lightship Telecom, Llc - Nh | Landline |
| (603) 315 | Rockingham | Londonderry | Bell Atlantic Nynex Mobile | Wireless |
| (603) 316 | Strafford | Durham | Global Naps, Inc. - Nh | Landline |
| (603) 317 | Coos | Milan | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 318 | Hillsborough | Nashua | Rnk, Inc. | Landline |
| (603) 319 | Rockingham | Portsmouth | Lightship Telecom, Llc - Nh | Landline |
| (603) 320 | Hillsborough | Milford | New Cingular Wireless Pcs, Llc - Dc | Wireless |
| (603) 321 | Hillsborough | Nashua | Bell Atlantic Nynex Mobile | Wireless |
| (603) 322 | Grafton | West Lebanon | Rural Cellular Corporation | Wireless |
| (603) 323 | Carroll | Center Sandwich | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 324 | Hillsborough | Hudson | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 325 | Hillsborough | Manchester | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 326 | Coos | Berlin | Level 3 Communications - Nh | Landline |
| (603) 327 | Rockingham | Salem | Lightship Telecom, Llc - Nh | Landline |
| (603) 328 | Rockingham | Salem | Paetec Communications, Inc. - Nh | Landline |
| (603) 329 | Rockingham | Atkinson | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 330 | Strafford | Barrington | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 331 | Coos | Colebrook | Level 3 Communications - Nh | Landline |
| (603) 332 | Strafford | Barrington | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 334 | Rockingham | Greenland | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 335 | Strafford | Barrington | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 336 | Cheshire | Hinsdale | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 337 | Strafford | Rochester | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 338 | Cheshire | Keene | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 339 | Rockingham | Derry | New Cingular Wireless Pcs, Llc - Dc | Wireless |
| (603) 340 | Merrimack | Suncook | Bell Atlantic Nynex Mobile | Wireless |
| (603) 341 | Hillsborough | Merrimack | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 342 | Coos | Berlin | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 343 | Strafford | Dover | Comcast Phone Of New Hampshire, Llc - Nh | Landline |
| (603) 344 | Merrimack | Suncook | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 345 | Hillsborough | Merrimack | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 346 | Belknap | Alton Bay | Level 3 Communications - Nh | Landline |
| (603) 347 | Rockingham | East Kingston | Comcast Phone Of New Hampshire, Llc - Nh | Landline |
| (603) 348 | Grafton | North Woodstock | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 349 | Grafton | West Lebanon | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 350 | Strafford | Rochester | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 351 | Hillsborough | Manchester | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 352 | Cheshire | Gilsum | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 353 | Grafton | Lyme | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 354 | Cheshire | Keene | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 355 | Cheshire | Gilsum | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 356 | Carroll | Bartlett | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 357 | Cheshire | Gilsum | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 358 | Cheshire | Keene | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 359 | Grafton | Lebanon | Bell Atlantic Nynex Mobile | Wireless |
| (603) 361 | Hillsborough | Manchester | Bell Atlantic Nynex Mobile | Landline |
| (603) 362 | Rockingham | Atkinson | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 363 | Cheshire | Chesterfield | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 364 | Belknap | Alton | Union Telephone Co. - Nh | Landline |
| (603) 365 | Hillsborough | Merrimack | Nextel Communications, Inc. | Wireless |
| (603) 366 | Belknap | Gilford | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 367 | Carroll | Madison | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 368 | Sullivan | Newport | Global Naps, Inc. - Nh | Landline |
| (603) 369 | Carroll | Mirror Lake | Level 3 Communications - Nh | Landline |
| (603) 370 | Rockingham | Candia | Bell Atlantic Nynex Mobile | Wireless |
| (603) 371 | Hillsborough | Peterborough | Conversent Communications Of New Hampshire, Llc | Landline |
| (603) 372 | Rockingham | Salem | Freedom Ring Communications, Llc | Landline |
| (603) 373 | Rockingham | Greenland | Conversent Communications Of New Hampshire, Llc | Landline |
| (603) 374 | Carroll | Bartlett | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 375 | Merrimack | Concord | Global Naps, Inc. - Nh | Landline |
| (603) 376 | Strafford | Dover | No New England Tel Op Dba Fairpoint Comm - Nh | Wireless |
| (603) 377 | Hillsborough | Merrimack | Omnipoint Miami E License, Llc | Wireless |
| (603) 378 | Rockingham | Danville | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 379 | Rockingham | Hampton | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 380 | Rockingham | Portsmouth | New Cingular Wireless Pcs, Llc - Dc | Wireless |
| (603) 381 | Grafton | West Lebanon | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 382 | Rockingham | Danville | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 383 | Carroll | Bartlett | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 384 | Hillsborough | Goffstown | Comcast Phone Of New Hampshire, Llc - Nh | Landline |
| (603) 385 | Hillsborough | Manchester | No New England Tel Op Dba Fairpoint Comm - Nh | Wireless |
| (603) 386 | Hillsborough | Nashua | Broadview Networks, Inc. - Nh | Landline |
| (603) 387 | Belknap | Belmont | Bell Atlantic Nynex Mobile | Wireless |
| (603) 388 | Coos | Colebrook | Freedom Ring Communications, Llc | Landline |
| (603) 389 | Strafford | Durham | Choice One Of New Hampshire, Inc. | Landline |
| (603) 390 | Coos | Jefferson | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 391 | Hillsborough | Manchester | Teleport Communications Of Boston, Inc. - Nh | Landline |
| (603) 392 | Cheshire | Winchester | Comcast Phone Of New Hampshire, Llc - Nh | N/A |
| (603) 393 | Belknap | Gilford | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 394 | Rockingham | East Kingston | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 395 | Rockingham | Exeter | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 396 | Hillsborough | Merrimack | Nextel Communications, Inc. | Wireless |
| (603) 397 | Strafford | Dover | Comcast Phone Of New Hampshire, Llc - Nh | Landline |
| (603) 398 | Cheshire | Gilsum | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 399 | Cheshire | Westmoreland | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 401 | Rockingham | Hampton | Bell Atlantic Nynex Mobile | Wireless |
| (603) 410 | Hillsborough | Manchester | Conversent Communications Of New Hampshire, Llc | Landline |
| (603) 412 | Grafton | Plymouth | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 413 | Hillsborough | Bedford | Rnk, Inc. | Landline |
| (603) 414 | Sullivan | Sunapee | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 415 | Merrimack | Concord | Freedom Ring Communications, Llc | Landline |
| (603) 418 | Rockingham | Exeter | Conversent Communications Of New Hampshire, Llc | Landline |
| (603) 419 | Merrimack | Suncook | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 420 | Hillsborough | Nashua | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 421 | Rockingham | Derry | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 422 | Rockingham | Greenland | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 423 | Hillsborough | Amherst | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 424 | Hillsborough | Amherst | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 425 | Rockingham | Derry | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 426 | Rockingham | Derry | No New England Tel Op Dba Fairpoint Comm - Nh | Wireless |
| (603) 427 | Rockingham | Greenland | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 428 | Merrimack | Henniker | Merrimack Co. Telephone Co., Dba Contoocook Valley | Landline |
| (603) 429 | Hillsborough | Amherst | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 430 | Rockingham | Greenland | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 431 | Rockingham | Greenland | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 432 | Rockingham | Derry | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 433 | Rockingham | Greenland | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 434 | Rockingham | Derry | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 435 | Belknap | Barnstead | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 436 | Rockingham | Greenland | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 437 | Rockingham | Derry | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 438 | Strafford | Dover | Sprint Spectrum L.p. | Wireless |
| (603) 439 | Cheshire | Keene | Conversent Communications Of New Hampshire, Llc | Landline |
| (603) 440 | Hillsborough | Merrimack | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 441 | Cheshire | Winchester | Global Naps, Inc. - Nh | Landline |
| (603) 442 | Grafton | Enfield | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 443 | Grafton | Enfield | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 444 | Grafton | Bethlehem | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 445 | Sullivan | Charlestown | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 446 | Sullivan | Lempster | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 447 | Carroll | Center Conway | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 448 | Grafton | Enfield | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 449 | Coos | Groveton | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 451 | Coos | Milan | Global Naps, Inc. - Nh | Landline |
| (603) 452 | Coos | Berlin | Freedom Ring Communications, Llc | Landline |
| (603) 453 | Belknap | Alton | Global Naps, Inc. - Nh | Landline |
| (603) 454 | Sullivan | Sunapee | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 455 | Belknap | Center Harbor | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 456 | Merrimack | Concord | Merrimack County Telephone Co. | Landline |
| (603) 457 | York | Lebanon | Global Naps, Inc. - Nh | Landline |
| (603) 458 | Rockingham | Salem | Comcast Phone Of New Hampshire, Llc - Nh | Landline |
| (603) 459 | Hillsborough | Nashua | Lightship Telecom, Llc - Nh | Landline |
| (603) 460 | Rockingham | Greenland | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 461 | Hillsborough | Merrimack | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 462 | Rockingham | Seabrook | Freedom Ring Communications, Llc | Landline |
| (603) 463 | Rockingham | Deerfield | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 464 | Hillsborough | Antrim | Merrimack Co. Telephone Co., Dba Contoocook Valley | Landline |
| (603) 465 | Hillsborough | Hollis | Hollis Telephone Company, Inc. | Landline |
| (603) 466 | Coos | Berlin | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 467 | Hillsborough | Manchester | No New England Tel Op Dba Fairpoint Comm - Nh | Wireless |
| (603) 468 | Rockingham | Seabrook | Freedom Ring Communications, Llc | Landline |
| (603) 469 | Sullivan | Cornish | Kearsarge Telephone Co. | Landline |
| (603) 470 | Merrimack | Concord | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 471 | Hillsborough | Bedford | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 472 | Hillsborough | Bedford | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 473 | Strafford | Milton | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 474 | Rockingham | Hampton | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 475 | Rockingham | Salem | Bell Atlantic Nynex Mobile | Wireless |
| (603) 476 | Carroll | Moultonborough | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 477 | Strafford | Milton Mills | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 478 | Hillsborough | Antrim | Granite State Telephone, Inc. | Landline |
| (603) 479 | Hillsborough | Hudson | New Cingular Wireless Pcs, Llc - Dc | Wireless |
| (603) 480 | Hillsborough | Manchester | No New England Tel Op Dba Fairpoint Comm - Nh | Wireless |
| (603) 481 | Hillsborough | Manchester | Bell Atlantic Nynex Mobile | Wireless |
| (603) 482 | Coos | Errol | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 483 | Rockingham | Auburn | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 484 | Belknap | Gilmanton | Global Naps, Inc. - Nh | Landline |
| (603) 485 | Merrimack | Hooksett | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 486 | Hillsborough | Manchester | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 487 | Hillsborough | Lyndeborough | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 488 | Hillsborough | Bedford | Comcast Phone Of New Hampshire, Llc - Nh | Landline |
| (603) 489 | Rockingham | Hampstead | Comcast Phone Of New Hampshire, Llc - Nh | Landline |
| (603) 490 | Hillsborough | Bedford | Bell Atlantic Nynex Mobile | Wireless |
| (603) 491 | Belknap | Alton Bay | Bell Atlantic Nynex Mobile | Wireless |
| (603) 492 | Merrimack | Suncook | No New England Tel Op Dba Fairpoint Comm - Nh | Wireless |
| (603) 493 | Rockingham | Epping | Bell Atlantic Nynex Mobile | Wireless |
| (603) 494 | Hillsborough | Manchester | Bell Atlantic Nynex Mobile | Wireless |
| (603) 495 | Cheshire | Stoddard | Granite State Telephone, Inc. | Landline |
| (603) 496 | Merrimack | Canterbury | Bell Atlantic Nynex Mobile | Wireless |
| (603) 497 | Hillsborough | Goffstown | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 498 | Rockingham | Newmarket | Bell Atlantic Nynex Mobile | Wireless |
| (603) 499 | Cheshire | Keene | Level 3 Communications - Nh | Landline |
| (603) 501 | Rockingham | Portsmouth | Paetec Communications, Inc. - Nh | Landline |
| (603) 502 | Rockingham | Portsmouth | New Cingular Wireless Pcs, Llc - Dc | Wireless |
| (603) 503 | Coos | Lancaster | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 504 | Sullivan | Claremont | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 505 | Rockingham | Derry | Bell Atlantic Nynex Mobile | Wireless |
| (603) 506 | Merrimack | Andover | Global Naps, Inc. - Nh | Landline |
| (603) 507 | Grafton | Canaan | Global Naps, Inc. - Nh | Landline |
| (603) 508 | Hillsborough | Pelham | Bell Atlantic Nynex Mobile | Wireless |
| (603) 509 | Strafford | Dover | Ctc Communications - Nh | Landline |
| (603) 512 | Merrimack | Hooksett | Sprint Spectrum L.p. - Nh | Wireless |
| (603) 513 | Merrimack | Concord | Rnk, Inc. | Landline |
| (603) 514 | Coos | Lancaster | Global Naps, Inc. - Nh | Landline |
| (603) 515 | Carroll | Center Tuftonboro | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 516 | Strafford | Dover | Freedom Ring Communications, Llc | Landline |
| (603) 517 | Hillsborough | Merrimack | No New England Tel Op Dba Fairpoint Comm - Nh | Wireless |
| (603) 518 | Hillsborough | Manchester | At&t Local | Landline |
| (603) 520 | Belknap | Laconia | Bell Atlantic Nynex Mobile | Wireless |
| (603) 521 | Rockingham | Londonderry | At&t Local | Landline |
| (603) 522 | Carroll | Center Ossipee | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 523 | Grafton | Canaan | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 524 | Belknap | Belmont | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 525 | Hillsborough | Hancock | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 526 | Merrimack | Elkins | Kearsarge Telephone Co. | Landline |
| (603) 527 | Belknap | Belmont | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 528 | Belknap | Belmont | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 529 | Hillsborough | Hillsborough | Granite State Telephone, Inc. | Landline |
| (603) 530 | Grafton | Bristol | Rural Cellular Corporation | Wireless |
| (603) 531 | Rockingham | Portsmouth | New Cingular Wireless Pcs, Llc - Dc | Wireless |
| (603) 532 | Cheshire | Jaffrey | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 533 | Hillsborough | Merrimack | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 534 | Rockingham | Portsmouth | Bell Atlantic Nynex Mobile | Wireless |
| (603) 535 | Grafton | Plymouth | Paetec Communications, Inc. - Nh | Landline |
| (603) 536 | Grafton | Ashland | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 537 | Rockingham | Derry | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 538 | Coos | Pittsburg | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 539 | Carroll | Center Ossipee | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 540 | Hillsborough | Goffstown | Bell Atlantic Nynex Mobile | Wireless |
| (603) 541 | Hillsborough | Manchester | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 542 | Sullivan | Charlestown | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 543 | Sullivan | Charlestown | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 544 | Carroll | Center Tuftonboro | Merrimack Co. Telephone Co., Dba Contoocook Valley | Landline |
| (603) 545 | Merrimack | Concord | Lightship Telecom, Llc - Nh | Landline |
| (603) 546 | Hillsborough | Merrimack | Choice One Of New Hampshire, Inc. | Landline |
| (603) 547 | Hillsborough | Francestown | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 548 | Rockingham | Newton | Bell Atlantic Nynex Mobile | Wireless |
| (603) 549 | Rockingham | Derry | No New England Tel Op Dba Fairpoint Comm - Nh | Wireless |
| (603) 551 | Hillsborough | Manchester | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 552 | Hillsborough | Manchester | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 553 | Rockingham | Derry | New Cingular Wireless Pcs, Llc - Dc | Wireless |
| (603) 554 | Hillsborough | Milford | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 556 | Belknap | Gilford | Level 3 Communications - Nh | Landline |
| (603) 557 | Hillsborough | Nashua | Sprint Spectrum L.p. | Wireless |
| (603) 558 | Sullivan | Claremont | Bell Atlantic Nynex Mobile | Wireless |
| (603) 559 | Rockingham | Greenland | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 560 | Rockingham | Salem | New Cingular Wireless Pcs, Llc - Dc | Wireless |
| (603) 561 | Hillsborough | Nashua | No New England Tel Op Dba Fairpoint Comm - Nh | Wireless |
| (603) 562 | Hillsborough | Peterborough | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 563 | Cheshire | Dublin | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 564 | Hillsborough | Manchester | No New England Tel Op Dba Fairpoint Comm - Nh | Wireless |
| (603) 565 | Merrimack | Concord | Level 3 Communications - Nh | Landline |
| (603) 566 | Rockingham | Londonderry | Bell Atlantic Nynex Mobile | Wireless |
| (603) 567 | Hillsborough | Peterborough | Level 3 Communications - Nh | Landline |
| (603) 568 | Merrimack | Concord | Bell Atlantic Nynex Mobile | Wireless |
| (603) 569 | Belknap | Alton | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 570 | Rockingham | Portsmouth | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 571 | Hillsborough | Merrimack | New Cingular Wireless Pcs, Llc - Dc | Wireless |
| (603) 572 | Hillsborough | Nashua | No New England Tel Op Dba Fairpoint Comm - Nh | Wireless |
| (603) 573 | Hillsborough | Manchester | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 574 | Grafton | Hebron | Level 3 Communications - Nh | Landline |
| (603) 575 | Grafton | Littleton | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 576 | Grafton | Warren | Level 3 Communications - Nh | Landline |
| (603) 577 | Hillsborough | Hudson | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 578 | Hillsborough | Hudson | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 579 | Hillsborough | Hudson | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 580 | Rockingham | Exeter | Comcast Phone Of New Hampshire, Llc - Nh | Landline |
| (603) 581 | Belknap | Gilford | Choice One Of New Hampshire, Inc. | Landline |
| (603) 582 | Hillsborough | Merrimack | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 583 | Rockingham | Windham | Level 3 Communications - Nh | Landline |
| (603) 584 | Hillsborough | Manchester | Global Naps, Inc. - Nh | Landline |
| (603) 585 | Cheshire | Fitzwilliam | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 586 | Coos | Jefferson | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 587 | Rockingham | Auburn | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 588 | Hillsborough | Antrim | Merrimack Co. Telephone Co., Dba Contoocook Valley | Landline |
| (603) 589 | Hillsborough | Nashua | Paetec Communications, Inc. - Nh | Landline |
| (603) 590 | Strafford | Durham | Freedom Ring Communications, Llc | Landline |
| (603) 591 | Hillsborough | Manchester | Sprint Spectrum L.p. - Nh | Wireless |
| (603) 592 | Cheshire | West Chesterfield | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 593 | Cheshire | Jaffrey | Ctc Communications - Nh | Landline |
| (603) 594 | Hillsborough | Hollis | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 595 | Hillsborough | Hudson | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 596 | Hillsborough | Nashua | No New England Tel Op Dba Fairpoint Comm - Nh | Wireless |
| (603) 597 | Grafton | Lyme | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 598 | Hillsborough | Hudson | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 599 | Hillsborough | Nashua | No New England Tel Op Dba Fairpoint Comm - Nh | Wireless |
| (603) 601 | Rockingham | Hampton | Paetec Communications, Inc. - Nh | Landline |
| (603) 606 | Hillsborough | Manchester | Conversent Communications Of New Hampshire, Llc | Landline |
| (603) 608 | Rockingham | Northwood | Nextel Communications, Inc. | Wireless |
| (603) 609 | Strafford | Dover | Rnk, Inc. | Landline |
| (603) 610 | Rockingham | Portsmouth | Choice One Of New Hampshire, Inc. | Landline |
| (603) 612 | Rockingham | Plaistow | Conversent Communications Of New Hampshire, Llc | Landline |
| (603) 613 | Coos | Colebrook | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 614 | Cheshire | Chesterfield | Level 3 Communications - Nh | Landline |
| (603) 615 | Hillsborough | Manchester | No New England Tel Op Dba Fairpoint Comm - Nh | Wireless |
| (603) 616 | Grafton | Littleton | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 617 | Strafford | Dover | Choice One Of New Hampshire, Inc. | Landline |
| (603) 618 | Merrimack | Salisbury | Level 3 Communications - Nh | Landline |
| (603) 619 | Grafton | Hanover | Global Naps, Inc. - Nh | Landline |
| (603) 620 | Hillsborough | Merrimack | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 621 | Hillsborough | Bedford | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 622 | Hillsborough | Bedford | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 623 | Hillsborough | Bedford | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 624 | Hillsborough | Bedford | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 625 | Hillsborough | Bedford | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 626 | Hillsborough | Bedford | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 627 | Hillsborough | Bedford | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 628 | Hillsborough | Bedford | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 629 | Hillsborough | Bedford | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 630 | Belknap | Gilford | Bell Atlantic Nynex Mobile | Wireless |
| (603) 631 | Coos | Lancaster | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 632 | Grafton | Canaan | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 633 | Hillsborough | Manchester | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 634 | Rockingham | Auburn | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 635 | Hillsborough | Pelham | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 636 | Coos | Groveton | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 637 | Hillsborough | Bedford | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 638 | Grafton | Monroe | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 639 | Hillsborough | Manchester | No New England Tel Op Dba Fairpoint Comm - Nh | Wireless |
| (603) 640 | Grafton | Hanover | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 641 | Hillsborough | Bedford | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 642 | Rockingham | Danville | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 643 | Grafton | Etna | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 644 | Hillsborough | Bedford | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 645 | Hillsborough | Bedford | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 646 | Grafton | Etna | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 647 | Hillsborough | Bedford | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 648 | Merrimack | Concord | Kearsarge Telephone Co. | Landline |
| (603) 649 | Hillsborough | Nashua | Global Naps, Inc. - Nh | Landline |
| (603) 650 | Grafton | Hanover | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 651 | Carroll | Center Ossipee | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 652 | Strafford | Milton | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 653 | Grafton | Etna | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 654 | Hillsborough | Lyndeborough | Wilton Telephone Co. | Landline |
| (603) 655 | Hillsborough | Manchester | No New England Tel Op Dba Fairpoint Comm - Nh | Wireless |
| (603) 656 | Hillsborough | Bedford | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 657 | Hillsborough | Manchester | Choice One Of New Hampshire, Inc. | Landline |
| (603) 658 | Rockingham | Exeter | Freedom Ring Communications, Llc | Landline |
| (603) 659 | Strafford | Durham | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 660 | Hillsborough | Goffstown | Bell Atlantic Nynex Mobile | Wireless |
| (603) 661 | Strafford | Dover | Sprint Spectrum L.p. - Nh | Wireless |
| (603) 662 | Carroll | Conway | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 663 | Hillsborough | Bedford | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 664 | Strafford | Barrington | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 665 | Hillsborough | Bedford | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 666 | Hillsborough | Bedford | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 667 | Grafton | Lebanon | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 668 | Rockingham | Auburn | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 669 | Hillsborough | Bedford | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 670 | Hillsborough | Merrimack | Choice One Of New Hampshire, Inc. | Landline |
| (603) 671 | Merrimack | Franklin | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 672 | Hillsborough | Amherst | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 673 | Hillsborough | Amherst | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 674 | Sullivan | Cornish | Sprint Spectrum L.p. - Nh | Wireless |
| (603) 675 | Sullivan | Cornish | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 676 | Grafton | Hanover | Freedom Ring Communications, Llc | Landline |
| (603) 677 | Belknap | Meredith | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 678 | Grafton | Lebanon | Level 3 Communications - Nh | Landline |
| (603) 679 | Rockingham | Epping | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 680 | Hillsborough | Hillsborough | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 681 | Hillsborough | Pelham | Choice One Of New Hampshire, Inc. | Landline |
| (603) 682 | Hillsborough | Manchester | Sprint Spectrum L.p. - Nh | Wireless |
| (603) 683 | Hillsborough | Merrimack | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 684 | Coos | Lancaster | Level 3 Communications - Nh | Landline |
| (603) 685 | Rockingham | Salem | Conversent Communications Of New Hampshire, Llc | Landline |
| (603) 686 | Rockingham | Exeter | Bell Atlantic Nynex Mobile | Wireless |
| (603) 687 | Carroll | Jackson | Freedom Ring Communications, Llc | Landline |
| (603) 688 | Hillsborough | Manchester | Global Naps, Inc. - Nh | Landline |
| (603) 689 | Hillsborough | Amherst | Choice One Of New Hampshire, Inc. | Landline |
| (603) 690 | Sullivan | Claremont | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 691 | Carroll | Conway | Global Naps, Inc. - Nh | Landline |
| (603) 692 | Strafford | Somersworth | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 693 | Rockingham | Epping | Conversent Communications Of New Hampshire, Llc | Landline |
| (603) 694 | Carroll | Center Conway | Northland Telephone Of Maine, Inc. | Landline |
| (603) 695 | Rockingham | Auburn | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 696 | Merrimack | Pittsfield | Global Naps, Inc. - Nh | Landline |
| (603) 697 | Carroll | Center Conway | Global Naps, Inc. - Nh | Landline |
| (603) 698 | Strafford | Dover | Global Naps, Inc. - Nh | Landline |
| (603) 699 | Strafford | Milton Mills | Global Naps, Inc. - Nh | Landline |
| (603) 702 | Rockingham | Kingston | Bell Atlantic Nynex Mobile | Wireless |
| (603) 703 | Hillsborough | Manchester | Otel Telekom, Inc. - Nh | Landline |
| (603) 706 | Rockingham | Raymond | Conversent Communications Of New Hampshire, Llc | Landline |
| (603) 707 | Belknap | Meredith | Bell Atlantic Nynex Mobile | Wireless |
| (603) 708 | Merrimack | Canterbury | Comcast Phone Of New Hampshire, Llc - Nh | Landline |
| (603) 709 | Sullivan | Plainfield | Level 3 Communications - Nh | Landline |
| (603) 710 | Coos | Errol | Global Naps, Inc. - Nh | Landline |
| (603) 712 | Grafton | Bath | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 714 | Hillsborough | Manchester | Bell Atlantic Nynex Mobile | Wireless |
| (603) 715 | Merrimack | Bow | Comcast Phone Of New Hampshire, Llc - Nh | Landline |
| (603) 716 | Manchester | Crc Communications Of Maine, Inc. - Nh | N/A | |
| (603) 717 | Merrimack | Concord | Choice One Of New Hampshire, Inc. | Landline |
| (603) 719 | Cheshire | Keene | Freedom Ring Communications, Llc | Landline |
| (603) 720 | Cheshire | Rindge | Global Naps, Inc. - Nh | Landline |
| (603) 721 | Hillsborough | Milford | Sprint Spectrum L.p. - Nh | Wireless |
| (603) 722 | Manchester | Bandwidth.com Clec, Llc - Nh | N/A | |
| (603) 723 | Coos | Berlin | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 724 | Hillsborough | Manchester | Paetec Communications, Inc. - Nh | Landline |
| (603) 725 | Carroll | Tamworth | Level 3 Communications - Nh | Landline |
| (603) 726 | Grafton | Campton | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 727 | Grafton | Lebanon | Lightship Telecom, Llc - Nh | Landline |
| (603) 728 | Grafton | North Woodstock | Level 3 Communications - Nh | Landline |
| (603) 729 | Belknap | Tilton | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 730 | Carroll | Glen | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 731 | Merrimack | Concord | Bell Atlantic Nynex Mobile | Wireless |
| (603) 732 | Hillsborough | Nashua | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 733 | Carroll | Glen | Level 3 Communications - Nh | Landline |
| (603) 734 | Rockingham | Epping | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 735 | Merrimack | Andover | Kearsarge Telephone Co. | Landline |
| (603) 736 | Merrimack | Epsom | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 737 | Belknap | Gilford | Freedom Ring Communications, Llc | Landline |
| (603) 738 | Merrimack | Concord | New Cingular Wireless Pcs, Llc - Dc | Wireless |
| (603) 739 | Grafton | North Woodstock | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 740 | Strafford | Dover | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 741 | Hillsborough | New Boston | Rnk, Inc. | Landline |
| (603) 742 | Strafford | Dover | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 743 | Strafford | Dover | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 744 | Grafton | Bristol | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 745 | Grafton | Lincoln | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 746 | Merrimack | Concord | Merrimack County Telephone Co. | Landline |
| (603) 747 | Grafton | Bath | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 748 | Merrimack | Warner | Bell Atlantic Nynex Mobile | Wireless |
| (603) 749 | Strafford | Dover | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 750 | Strafford | Dover | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 751 | Hillsborough | Nashua | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 752 | Coos | Berlin | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 753 | Merrimack | Concord | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 754 | Coos | Lancaster | Freedom Ring Communications, Llc | Landline |
| (603) 755 | Strafford | Farmington | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 756 | Cheshire | Alstead | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 757 | Cheshire | Keene | Lightship Telecom, Llc - Nh | Landline |
| (603) 758 | Rockingham | Hampton | Choice One Of New Hampshire, Inc. | Landline |
| (603) 759 | Merrimack | Henniker | Bell Atlantic Nynex Mobile | Wireless |
| (603) 760 | Rockingham | Seabrook | At&t Local | Landline |
| (603) 761 | Grafton | Littleton | Freedom Ring Communications, Llc | Landline |
| (603) 762 | Cheshire | Keene | Bell Atlantic Nynex Mobile | Wireless |
| (603) 763 | Sullivan | Georges Mills | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 764 | Grafton | Piermont | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 765 | Merrimack | Hooksett | Nextel Communications, Inc. | Wireless |
| (603) 766 | Rockingham | Greenland | Freedom Ring Communications, Llc | Landline |
| (603) 767 | Rockingham | North Hampton | New Cingular Wireless Pcs, Llc - Dc | Wireless |
| (603) 768 | Merrimack | Danbury | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 769 | Hillsborough | Manchester | Level 3 Communications - Nh | Landline |
| (603) 770 | Rockingham | Derry | Bell Atlantic Nynex Mobile | Wireless |
| (603) 771 | Hillsborough | Merrimack | No New England Tel Op Dba Fairpoint Comm - Nh | Wireless |
| (603) 772 | Rockingham | East Kingston | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 773 | Rockingham | Exeter | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 774 | Merrimack | Bow | Dunbarton Telephone Co. | Landline |
| (603) 775 | Rockingham | Exeter | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 776 | Belknap | Alton | Union Telephone Co. - Nh | Landline |
| (603) 777 | Rockingham | Exeter | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 778 | Rockingham | East Kingston | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 779 | Grafton | Plymouth | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 780 | Grafton | Canaan | Level 3 Communications - Nh | Landline |
| (603) 781 | Strafford | Dover | New Cingular Wireless Pcs, Llc - Dc | Wireless |
| (603) 782 | Hillsborough | Manchester | Level 3 Communications - Nh | Landline |
| (603) 783 | Merrimack | Canterbury | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 784 | Hillsborough | Peterborough | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 785 | Merrimack | Hooksett | New Cingular Wireless Pcs, Llc - Dc | Wireless |
| (603) 786 | Grafton | Hebron | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 787 | Grafton | Haverhill | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 788 | Coos | Lancaster | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 789 | Grafton | Rumney | Freedom Ring Communications, Llc | Landline |
| (603) 790 | Grafton | West Lebanon | Rnk, Inc. | Landline |
| (603) 791 | Hillsborough | Merrimack | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 792 | Hillsborough | Manchester | Freedom Ring Communications, Llc | Landline |
| (603) 793 | Rockingham | Exeter | Sprint Spectrum L.p. - Nh | Wireless |
| (603) 794 | Grafton | Plymouth | Global Naps, Inc. - Nh | Landline |
| (603) 795 | Grafton | Lyme | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 796 | Merrimack | Concord | Kearsarge Telephone Co. | Landline |
| (603) 797 | Rockingham | Plaistow | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 798 | Merrimack | Chichester | Kearsarge Telephone Co. | Landline |
| (603) 799 | Hillsborough | Manchester | Sprint Spectrum L.p. - Nh | Wireless |
| (603) 801 | Hillsborough | Milford | Bell Atlantic Nynex Mobile | Wireless |
| (603) 804 | Hillsborough | Milford | Global Naps, Inc. - Nh | Landline |
| (603) 805 | Rockingham | Hampton Falls | Global Naps, Inc. - Nh | Landline |
| (603) 806 | Rockingham | Deerfield | Global Naps, Inc. - Nh | Landline |
| (603) 807 | Grafton | Bath | Global Naps, Inc. - Nh | Landline |
| (603) 809 | Hillsborough | Nashua | Bell Atlantic Nynex Mobile | N/A |
| (603) 810 | Hillsborough | Manchester | Freedom Ring Communications, Llc | N/A |
| (603) 812 | Rockingham | Portsmouth | Rnk, Inc. | Landline |
| (603) 815 | Durham | Teleport Communications Of Boston, Inc. - Nh | N/A | |
| (603) 816 | Hillsborough | Nashua | Freedom Ring Communications, Llc | Landline |
| (603) 817 | Strafford | Dover | Nextel Communications, Inc. | Wireless |
| (603) 818 | Rockingham | Derry | Sprint Spectrum L.p. - Nh | Wireless |
| (603) 819 | Rockingham | Plaistow | Level 3 Communications - Nh | Landline |
| (603) 820 | Merrimack | Metro Pcs, Inc. | N/A | |
| (603) 821 | Hillsborough | Nashua | Conversent Communications Of New Hampshire, Llc | Landline |
| (603) 822 | Strafford | Rochester | Choice One Of New Hampshire, Inc. | Landline |
| (603) 823 | Grafton | Franconia | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 824 | Hillsborough | Nashua | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 825 | Belknap | Gilford | Global Naps, Inc. - Nh | Landline |
| (603) 826 | Sullivan | Charlestown | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 827 | Cheshire | Harrisville | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 828 | Rockingham | Portsmouth | Bell Atlantic Nynex Mobile | Wireless |
| (603) 829 | Sullivan | Sunapee | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 831 | Hillsborough | Greenfield | Bell Atlantic Nynex Mobile | Wireless |
| (603) 832 | Belknap | Gilford | Lightship Telecom, Llc - Nh | Landline |
| (603) 833 | Strafford | Rochester | Bell Atlantic Nynex Mobile | Wireless |
| (603) 834 | Strafford | Dover | Conversent Communications Of New Hampshire, Llc | Landline |
| (603) 835 | Sullivan | Acworth | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 836 | Hillsborough | Manchester | Level 3 Communications - Nh | Landline |
| (603) 837 | Coos | Whitefield | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 838 | Grafton | Bath | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 839 | Strafford | Farmington | Time Warner Cable Information Svcs (new Hampshire) | N/A |
| (603) 841 | Strafford | Dover | Comcast Phone Of New Hampshire, Llc - Nh | Landline |
| (603) 842 | Strafford | Dover | Paetec Communications, Inc. - Nh | Landline |
| (603) 843 | Sullivan | Newport | Freedom Ring Communications, Llc | Landline |
| (603) 845 | Rockingham | Derry | Lightship Telecom, Llc - Nh | Landline |
| (603) 846 | Coos | Twin Mountain | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 847 | Cheshire | Nelson | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 848 | Merrimack | Concord | United States Cellular Corp. - New Hampshire | Wireless |
| (603) 849 | Rockingham | Exeter | Global Naps, Inc. - Nh | Landline |
| (603) 851 | Cheshire | Keene | Bell Atlantic Nynex Mobile | Wireless |
| (603) 852 | Cheshire | Keene | Omnipoint Miami E License, Llc | Wireless |
| (603) 853 | Grafton | Woodsville | Freedom Ring Communications, Llc | Landline |
| (603) 854 | Hillsborough | Manchester | New Cingular Wireless Pcs, Llc - Dc | Wireless |
| (603) 856 | Merrimack | Concord | Choice One Of New Hampshire, Inc. | Landline |
| (603) 858 | Hillsborough | Manchester | Omnipoint Miami E License, Llc | Wireless |
| (603) 859 | Belknap | Alton | Union Telephone Co. - Nh | Landline |
| (603) 860 | Cheshire | Keene | Bell Atlantic Nynex Mobile | Wireless |
| (603) 861 | Carroll | Tamworth | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 862 | Strafford | Durham | Paetec Communications, Inc. - Nh | Landline |
| (603) 863 | Sullivan | Acworth | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 864 | Hillsborough | Nashua | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 865 | Sullivan | Charlestown | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 866 | Strafford | Dover | Omnipoint Miami E License, Llc | Wireless |
| (603) 867 | Rockingham | Exeter | New Cingular Wireless Pcs, Llc - Dc | Wireless |
| (603) 868 | Strafford | Barrington | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 869 | Grafton | Bethlehem | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 870 | Rockingham | Salem | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 871 | Carroll | Sanbornville | Level 3 Communications - Nh | Landline |
| (603) 873 | Sullivan | Sunapee | Level 3 Communications - Nh | Landline |
| (603) 874 | Grafton | Bath | Level 3 Communications - Nh | Landline |
| (603) 875 | Belknap | Alton | Union Telephone Co. - Nh | Landline |
| (603) 876 | Cheshire | Dublin | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 878 | Hillsborough | Greenville | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 879 | Hillsborough | Hudson | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 880 | Hillsborough | Hollis | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 881 | Hillsborough | Hudson | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 882 | Hillsborough | Hollis | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 883 | Hillsborough | Hudson | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 884 | Hillsborough | Merrimack | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 885 | Hillsborough | Merrimack | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 886 | Hillsborough | Hudson | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 887 | Rockingham | Chester | Granite State Telephone, Inc. | Landline |
| (603) 888 | Hillsborough | Nashua | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 889 | Hillsborough | Hollis | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 890 | Rockingham | Salem | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 891 | Hillsborough | Nashua | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 892 | Merrimack | Concord | Omnipoint Miami E License, Llc | Wireless |
| (603) 893 | Rockingham | Derry | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 894 | Rockingham | Salem | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 895 | Rockingham | Epping | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 896 | Rockingham | Derry | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 897 | Hillsborough | Nashua | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 898 | Rockingham | Derry | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 899 | Cheshire | Rindge | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 903 | Cheshire | Keene | Time Warner Cable Information Svcs (new Hampshire) | Landline |
| (603) 904 | Cheshire | Walpole | Otel Telekom, Inc. - Nh | Landline |
| (603) 905 | Strafford | Barrington | Otel Telekom, Inc. - Nh | N/A |
| (603) 907 | Rockingham | Hampstead | Global Naps, Inc. - Nh | Landline |
| (603) 908 | Cheshire | Alstead | Global Naps, Inc. - Nh | Landline |
| (603) 909 | Sullivan | Charlestown | Global Naps, Inc. - Nh | Landline |
| (603) 910 | Rockingham | Hampton | Conversent Communications Of New Hampshire, Llc | Landline |
| (603) 912 | Rockingham | Salem | Rnk, Inc. | Landline |
| (603) 913 | Hillsborough | Manchester | Paetec Communications, Inc. - Nh | Landline |
| (603) 914 | Strafford | Rochester | N/A | |
| (603) 915 | Coos | Gorham | Bell Atlantic Nynex Mobile | Wireless |
| (603) 917 | Cheshire | Keene | Global Naps, Inc. - Nh | Landline |
| (603) 918 | Rockingham | Hampton | Bell Atlantic Nynex Mobile | Wireless |
| (603) 922 | Coos | Colebrook | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 923 | Strafford | Rochester | Level 3 Communications - Nh | Landline |
| (603) 924 | Hillsborough | Peterborough | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 925 | Hillsborough | Peterborough | Freedom Ring Communications, Llc | Landline |
| (603) 926 | Rockingham | Hampton | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 927 | Merrimack | Bradford | Merrimack County Telephone Co. | Landline |
| (603) 928 | Merrimack | Suncook | Freedom Ring Communications, Llc | Landline |
| (603) 929 | Rockingham | Hampton | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 930 | Hillsborough | Nashua | New Cingular Wireless Pcs, Llc - Dc | Wireless |
| (603) 932 | Manchester | Securesyscom, Inc. - Nh | N/A | |
| (603) 933 | Greenfield | Bell Atlantic Nynex Mobile | N/A | |
| (603) 934 | Merrimack | Franklin | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 935 | Hillsborough | Manchester | Dsci Corporation - Nh | N/A |
| (603) 937 | Meredith | Bell Atlantic Nynex Mobile | N/A | |
| (603) 938 | Merrimack | Bradford | Merrimack County Telephone Co. | Landline |
| (603) 939 | Carroll | Center Conway | Northland Telephone Of Maine, Inc. | Landline |
| (603) 941 | Carroll | Wolfeboro | Brooks Fiber Communications - New Hampshire | Landline |
| (603) 942 | Strafford | Barrington | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 943 | Hillsborough | Nashua | Omnipoint Miami E License, Llc | Wireless |
| (603) 944 | Rockingham | Hampton Falls | Nextel Communications, Inc. | Wireless |
| (603) 945 | Manchester | Neutral Tandem-new Hampshire, Llc - Nh | N/A | |
| (603) 947 | Grafton | Plymouth | Freedom Ring Communications, Llc | Landline |
| (603) 948 | Rochester | Idt America, Corp. - Nh | N/A | |
| (603) 949 | Merrimack | Pittsfield | Global Naps, Inc. - Nh | Landline |
| (603) 951 | Coos | Milan | Level 3 Communications - Nh | Landline |
| (603) 952 | Rockingham | Salem | Level 3 Communications - Nh | Landline |
| (603) 953 | Strafford | Dover | Choice One Of New Hampshire, Inc. | Landline |
| (603) 954 | Carroll | South Tamworth | Global Naps, Inc. - Nh | Landline |
| (603) 957 | Rockingham | Portsmouth | New Cingular Wireless Pcs, Llc - Dc | Wireless |
| (603) 960 | Campton | Bell Atlantic Nynex Mobile | N/A | |
| (603) 962 | Grafton | North Woodstock | Global Naps, Inc. - Nh | Landline |
| (603) 963 | Coos | Colebrook | Global Naps, Inc. - Nh | Landline |
| (603) 964 | Rockingham | North Hampton | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 965 | Rockingham | Derry | Choice One Of New Hampshire, Inc. | Landline |
| (603) 966 | Hillsborough | Nashua | Nextel Communications, Inc. | Wireless |
| (603) 967 | Rockingham | Hampton | Level 3 Communications - Nh | Landline |
| (603) 968 | Grafton | Ashland | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 969 | Rockingham | Portsmouth | Sprint Spectrum L.p. - Nh | Wireless |
| (603) 970 | Strafford | Dover | Rural Cellular Corporation | N/A |
| (603) 971 | Cheshire | Rindge | Freedom Ring Communications, Llc | Landline |
| (603) 973 | Strafford | Rochester | Sprint Spectrum L.p. - Nh | Wireless |
| (603) 974 | Rockingham | Plaistow | Comcast Phone Of New Hampshire, Llc - Nh | Landline |
| (603) 978 | Rockingham | Exeter | New Cingular Wireless Pcs, Llc - Dc | Wireless |
| (603) 986 | Carroll | Glen | Bell Atlantic Nynex Mobile | Wireless |
| (603) 988 | Rockingham | Portsmouth | Sprint Spectrum L.p. - Nh | Landline |
| (603) 989 | Grafton | Glencliff | No New England Tel Op Dba Fairpoint Comm - Nh | Landline |
| (603) 991 | Grafton | Littleton | Bell Atlantic Nynex Mobile | Wireless |
| (603) 992 | Hillsborough | Pelham | Level 3 Communications - Nh | Landline |
| (603) 994 | Strafford | Rochester | Freedom Ring Communications, Llc | Landline |
| (603) 995 | Merrimack | Henniker | Sprint Spectrum L.p. - Nh | Wireless |
| (603) 996 | Grafton | Plymouth | Sprint Spectrum L.p. - Nh | Wireless |
| (603) 997 | Rockingham | Hampton | Sprint Spectrum L.p. - Nh | Wireless |
| (603) 998 | Belknap | Gilford | Sprint Spectrum L.p. - Nh | Wireless |
Want to Know more about area code 603?
2,226,348
Total Number of Phone Numbers with +1-6031,218,630
Total Number of Owners with +1-6031,549
Total Number of carriers in the area code97
Total Number of cities in the area code83/17
% of Landline vs Wireless phone numbers36 y.o.
Average Age$111,653
Medium Home value$46,808
Median Income109,565
Total population3.10%
Crime RateCounties that Use Area Code 603
Belknap
Hillsborough
Grafton
Carroll
Coos
Merrimack
Sullivan
Rockingham
Strafford
Cheshire
York
Orange
Current time in 203 Area Code
4:11 AM on Apr 16, 2024
The 603 area code lies within the Pacific Daylight Time Zone (or PDT)