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  2. Area code 331

Area Code 331 Information and Location Details

The 331 area code is located in Lemont, Illinois including Bartlett, Downers Grove and was originally put into service on July 11th 2011. Find whose number this is.

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Country

United States of America

State

Illinois

Largest City

Lemont

Timezone

Central

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331 Area Code Prefixes Directory

If you know the complete number you’re looking up, please use the Phone Number Search above. Or to explore prefixes in different coverage areas, please use the tables below.

T-mobile Usa
Carrier

Coverage Area
Cities: Bartlett, Aurora, Wheaton, Naperville, West Chicago

(331) 200
(331) 205
(331) 218
(331) 245
(331) 250
(331) 425
(331) 472
(331) 703

Cellco Partnership DBA Verizon Wireless
Carrier

Coverage Area
Cities: Downers Grove, Naperville, Sugar Grove, Aurora, Saint Charles

(331) 201
(331) 213
(331) 214
(331) 215
(331) 229
(331) 234
(331) 251
(331) 256
(331) 302
(331) 305
(331) 442
(331) 444
(331) 452
(331) 457
(331) 481
(331) 625
(331) 777

Sprint Spectrum
Carrier

Coverage Area
Cities: Elmhurst, Aurora

(331) 202
(331) 203
(331) 206
(331) 208
(331) 220
(331) 225
(331) 262
(331) 575
(331) 643
(331) 645
(331) 826

Broadvox-clec
Carrier

Coverage Area
Cities: Bartlett

(331) 204

Level 3 Communications
Carrier

Coverage Area
Counties: Kendall,
Cities: Yorkville, Elmhurst, Saint Charles

(331) 207
(331) 209
(331) 422

Peerless Network Of Illinois
Carrier

Coverage Area
Cities: Saint Charles, West Chicago, Lemont, Warrenville

(331) 210
(331) 240
(331) 803
(331) 888

Mci Worldcom Communications
Carrier

Coverage Area
Cities: Aurora, Naperville

(331) 212
(331) 702

New Cingular Wireless PCS
Carrier

Coverage Area
Cities: Oswego, West Chicago, Saint Charles

(331) 216
(331) 465
(331) 588
(331) 725

Ameritech Illinois
Carrier

Coverage Area
Cities: Elmhurst, Naperville

(331) 221
(331) 281

Cricket Communications
Carrier

Coverage Area
Cities: Saint Charles, Oswego, Naperville, Aurora, Lombard

(331) 222
(331) 223
(331) 330
(331) 332
(331) 333
(331) 454
(331) 551

Ovation Communications Of Illinois
Carrier

Coverage Area
Cities: Saint Charles

(331) 228

Comcast Phone Of Illinois DBA Comco
Carrier

Coverage Area
Cities: Geneva

(331) 248

Local Access LLC
Carrier

Coverage Area
Cities: Aurora, Lemont

(331) 301
(331) 318

Cibolo Creek Ventures DBA Routepoint Comm Il
Carrier

Coverage Area
Cities: Elburn

(331) 303

Bandwidth.com Clec
Carrier

Coverage Area
Cities: Aurora, Elmhurst, Oswego

(331) 431
(331) 642
(331) 999

First Communications LLC
Carrier

Coverage Area
Counties: Dupage
Cities: Roselle

(331) 456

Xo Illinois
Carrier

Coverage Area
Cities: Lombard

(331) 462

Sigecom
Carrier

Coverage Area
Cities: Aurora

(331) 684
The 331 area code is located in Lemont, Illinois including Bartlett, Downers Grove and was originally put into service on July 11th 2011. Find whose number this is.

Recently Reported Numbers

(331) 701-3067Unknown

Called my cell and didn’t leave a message.

(331) 200-3988Neutral

Debt collection. As unfriendly and quite stupid. Don’t answer. I asked and of course the didn’t give me the company and caller name

(331) 250-2331Dangerous

Investment specialist trying to help me make the most of my money for retirement. Caller ID said Phillip Hertz, but the guy said his name was David.

(331) 546-5133Unknown

Unknown number calling

(331) 200-4200Unknown

Who owns this number?

(331) 979-1872Unknown

Another lowlife Facebook scammerReported to Chicago police and the IRS

(331) 210-9416Unknown

A computer generated call threatening to put out a warrant for an arrest. Who is this coming from as no name is mentioned.

(331) 210-9416Dangerous

9 second call threatening arrest from a computer generated voice totally bogus

(331) 717-1481Unknown

Called twice now in 2 days, no message.

(331) 200-4697Unknown

Robot call

Recently Searched Numbers

No additional information reported for these searched numbers. Received a call from any phone number listed below? Please consider helping the community by reporting your experience.

331-631-6105
ReportUNKNOWN
331-751-9169
ReportUNKNOWN
331-245-3457
ReportT-mobile Usa
331-721-1000
ReportUNKNOWN
331-442-8976
ReportCellco Partnership DBA Verizon Wireless
331-314-2876
ReportUNKNOWN
331-500-3187
ReportUNKNOWN
331-509-4033
ReportUNKNOWN
331-592-9601
ReportUNKNOWN
331-451-8034
ReportUNKNOWN
331-273-9752
ReportUNKNOWN
331-161-5723
ReportUNKNOWN
331-277-4325
ReportUNKNOWN
331-823-6844
ReportUNKNOWN
331-724-6005
ReportUNKNOWN
331-964-1437
ReportUNKNOWN
331-682-5540
ReportUNKNOWN
331-304-6991
ReportUNKNOWN
331-221-6940
ReportAmeritech Illinois

Most searched numbers

Cell
All TimeThis Month
331-730-9389First seen 2020-10-30331-797-4322First seen 2014-06-22
331-179-2475First seen 2024-08-19331-304-8821First seen 2017-05-31
331-700-6053First seen 2017-11-25331-242-4238First seen 2016-08-07
331-860-6855First seen 2016-04-10331-409-3636First seen 2021-08-17
331-537-7605First seen 2025-10-18331-643-6409First seen 2018-03-02
Landline
All TimeThis Month
331-945-6389First seen 2010-11-06331-121-6270First seen 2010-01-03
331-848-4488First seen 2011-09-08331-828-6066First seen 2016-01-29
331-687-6073First seen 2020-06-01331-989-6612First seen 2014-05-25
331-559-4019First seen 2015-01-08331-771-6891First seen 2022-04-08
331-437-1194First seen 2011-06-01331-195-5774First seen 2013-01-25

Cities With coverage

CITY LIST
Aurora
Bartlett
Downers Grove
Elburn
Elmhurst
Geneva
Lemont
Lombard
Naperville
Oswego
Roselle
Saint Charles
Sugar Grove
Warrenville
West Chicago
Wheaton
Yorkville