331 Area Code

Area code 331 is in Illinois covering Aurora , along with Bartlett, Campton Hills and 58 towns and cities.

Area code 331 Phone Lookup

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93,628

Total Number of Phone Numbers with +1-331

76,418

Total Number of Owners with +1-331

28

Total Number of carriers in the area code

61

Total Number of cities in the area code

0/0

% of Landline vs Wireless phone numbers

Cities covering area code 331

Bartlett
Campton Hills
Addison
Aurora
Batavia
Bensenville
Big Rock
Bloomingdale
Bolingbrook
Boulder Hill
Burr Ridge
Carol Stream
Clarendon Hills
Darien
Downers Grove
Elburn
Elmhurst
Geneva
Glen Ellyn
Glendale Heights
Hanover Park
Hinsdale
Indian Head Park
Itasca
Joliet
Kaneville
Lemont
Lily Lake
Lisle
Lombard
Maple Park
Millbrook
Montgomery
Naperville
North Aurora
Oak Brook
Oakbrook Terrace
Oswego
Palos Park
Plainfield
Plano
Prestbury
Romeoville
Roselle
Sandwich
St. Charles
Streamwood
Sugar Grove
Villa Park
Virgil
Warrenville
Wayne
West Chicago
Westmont
Wheaton
Willow Springs
Willowbrook
Winfield
Wood Dale
Woodridge
Yorkville

Dupage
Main City Demographics

30.7 y.o.

Average Age

$151,048

Medium Home value

$62,119

Median Income

197,899

Total population

0.88%

Crime Rate

Current Time

23:3 PM on Sep 22, 2021

The 331 area code lies within the Standard Time zone

Counties that Use Area Code 331

Dupage
Kane
Will
Cook
Kendall
Dekalb

Zip Codes that Use 331 Area Code

Want to Know more about area code 331?

Area code 331 is in Illinois created 23 July 1999 and was full in service from 07 January 2007 . As general purpose code 331 overlaps with 630. It covers cities like Aurora in Dupage County, Bartlett, Campton Hills and 57 towns and cities.

Phone Number Prefixes inArea code 331

Prefix County City Carrier Type
(331) 221 Elmhurst Ameritech Illinois N/A
(331) 222 Saint Charles Denali Spectrum License, Llc N/A
(331) 223 Saint Charles Denali Spectrum License, Llc N/A
(331) 248 Kane Geneva Comcast Phone Of Illinois, Llc - Il N/A
(331) 262 Aurora Sprint Spectrum L.p. N/A
(331) 330 Oswego Denali Spectrum License, Llc N/A
(331) 332 Naperville Denali Spectrum License, Llc N/A
(331) 333 Naperville Denali Spectrum License, Llc N/A
(331) 422 Saint Charles Level 3 Communications, Llc - Il N/A
(331) 425 Kane Aurora T-mobile Usa, Inc. N/A
(331) 442 Saint Charles Cellco Partnership Dba Verizon Wireless - Il N/A
(331) 452 Aurora Cellco Partnership Dba Verizon Wireless - Il N/A
(331) 456 Roselle Globalcom, Inc.-il N/A
(331) 457 Naperville Cellco Partnership Dba Verizon Wireless - Il N/A
(331) 462 Lombard Xo Illinois, Inc. N/A
(331) 465 West Chicago New Cingular Wireless Pcs, Llc - Il N/A
(331) 472 Naperville T-mobile Usa, Inc. N/A
(331) 481 Downers Grove Cellco Partnership Dba Verizon Wireless - Il N/A
(331) 551 Lombard Denali Spectrum License, Llc N/A
(331) 552 Lombard Denali Spectrum License, Llc N/A
(331) 553 Lombard Denali Spectrum License, Llc N/A
(331) 575 Aurora Sprint Spectrum L.p. N/A
(331) 591 Elmhurst N/A
(331) 642 Elmhurst Sprint Spectrum L.p. N/A
(331) 643 Aurora Sprint Spectrum L.p. N/A
(331) 645 Elmhurst Sprint Spectrum L.p. N/A
(331) 684 Kane Aurora Sigecom, Llc - Il N/A
(331) 825 Geneva Digital Network Access Communications, Inc. - Il N/A
(331) 826 Elmhurst Sprint Spectrum L.p. N/A