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331-231

You are reviewing the Area Code (NPA/NXX) report for 331-231. Did you mean to search the SMS short code 331231?

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Raw Number331231
Basic Format331-231
NPA (Area Code)331
NXX231

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateStateRegionBlock Effective Date
331-231-0XXX6333CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ILNAPERVILLEAS11/02/2017ILMW11/14/2017
331-231-1XXX6333CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ILNAPERVILLEAS11/02/2017ILMW11/14/2017
331-231-2XXX063EPEERLESS NETWORK OF ILLINOIS, LLC - ILNAPERVILLEAS10/02/2018ILMW10/29/2018
331-231-3XXX197DVONAGE AMERICA LLCNAPERVILLEAS11/20/2018ILMW12/14/2018
331-231-4XXX7136TELEPORT COMMUNICATIONS AMERICA, LLC - ILNAPERVILLEAS10/23/2017ILMW11/17/2017
331-231-5XXX6534NEW CINGULAR WIRELESS PCS, LLC - ILNAPERVILLEAS07/19/2018ILMW08/18/2018
331-231-6XXX7136TELEPORT COMMUNICATIONS AMERICA, LLC - ILNAPERVILLEAS10/10/2017ILMW11/09/2017
331-231-7XXX6333CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ILNAPERVILLEAS06/15/2018ILMW07/29/2018
331-231-8XXX6333CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ILNAPERVILLEAS06/15/2018ILMW07/29/2018
331-231-9XXX6534NEW CINGULAR WIRELESS PCS, LLC - ILNAPERVILLEAS08/08/2017ILMW09/28/2017
331-231-XXXX6534NEW CINGULAR WIRELESS PCS, LLC - ILNAPERVILLEAS08/07/2017IL

Business/Government Phones on the 331-231 Prefix

PhoneNameAddress
331-231-6165Panera Bread1620 North Illinois Route 59 Naperville 60563 US
331-231-9863MACKHARD Barber Shop25 South Washington Street Naperville 60540 US

Reports

Anonymous User from Fullerton, California

January 22, 2026 at 4:41 PM

331-231-3535 reported as a Robocall. Received on January 22, 2026 at 1:27 PM.

Anonymous User from Chicago, Illinois

December 16, 2025 at 5:16 PM

331-231-3453 reported as a Robocall. Received on December 16, 2025 at 3:00 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Granada Hills, California

December 8, 2025 at 11:52 AM

331-231-3096 reported as a Live Voice or Other. Received on December 8, 2025 at 8:46 AM.

Anonymous User from Cincinnati, Ohio

November 28, 2025 at 3:53 PM

331-231-3800 reported as a Live Voice or Other. Received on November 21, 2025 at 9:10 AM.

Anonymous User from , IL

November 28, 2025 at 3:30 PM

331-231-3453 reported as a unwanted call. Received on November 25, 2025 at 6:09 PM.
Call for No Subject Provided

Anonymous User from Plain City, Illinois

September 9, 2025 at 2:27 PM

331-231-3475 reported as a Robocall. Received on August 27, 2025 at 1:51 PM.

Anonymous User from Crystal Lake, Illinois

July 30, 2025 at 4:40 PM

331-231-3095 reported as a Live Voice or Other. Received on July 30, 2025 at 3:28 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , TX

June 27, 2025 at 5:32 PM

331-231-6007 reported as a Live Voice or Other. Received on March 21, 2025 at 12:00 PM.
Call for Energy, solar, & utilities

Anonymous User from , IL

April 22, 2025 at 5:03 PM

331-231-3100 reported as a Robocall. Received on April 22, 2025 at 11:36 AM.
Call for Lotteries, prizes & sweepstakes

Anonymous User from , NM

March 12, 2025 at 5:59 PM

331-231-3809 reported as a Live Voice or Other. Received on March 12, 2025 at 3:56 PM.

Anonymous User from , IL

August 26, 2024 at 8:40 PM

331-231-3641 reported as a Live Voice or Other. Received on August 26, 2024 at 4:15 PM.

Anonymous User from , IL

August 22, 2024 at 5:16 PM

331-231-3458 reported as a Live Voice or Other. Received on August 22, 2024 at 12:00 AM.

Anonymous User from , IL

July 16, 2024 at 12:56 PM

331-231-3509 reported as a Live Voice or Other. Received on July 15, 2024 at 9:30 AM.

Anonymous User from , IL

July 16, 2024 at 11:07 AM

331-231-3642 reported as a Live Voice or Other. Received on July 16, 2024 at 10:00 AM.

Anonymous User from Elk Grove Village, Illinois

July 11, 2024 at 3:59 PM

331-231-6971 reported as a Robocall. Received on July 11, 2024 at 2:58 PM.
Call for Medical & prescriptions

Anonymous User from Glenview, Illinois

July 6, 2024 at 4:37 PM

331-231-3284 reported as a Live Voice or Other. Received on July 6, 2024 at 3:00 PM.

Anonymous User from Bolingbrook, IL

June 17, 2024 at 6:03 PM

331-231-3458 reported as a Live Voice. Received on June 17, 2024 at 3:45 PM.
Unwanted call for unknown
Contacted via Internet (VOIP)

Anonymous User from Seattle, Washington

May 20, 2024 at 11:08 AM

331-231-6483 reported as a Robocall. Received on May 20, 2024 at 8:05 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , IL

April 26, 2024 at 3:10 PM

331-231-3540 reported as a Robocall. Received on April 26, 2024 at 3:04 PM.
Call for Dropped call or no message

Anonymous User from Lagrange, IL

March 25, 2024 at 10:59 PM

331-231-1504 reported as a Text Message. Received on March 25, 2024 at 2:30 PM.
Unwanted call for Other Services
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , WY

March 5, 2024 at 11:23 AM

331-231-3363 reported as a Robocall. Received on February 24, 2024 at 10:59 AM.
Call for Dropped call or no message

Anonymous User from Wylie, Texas

February 26, 2024 at 10:45 AM

331-231-3453 reported as a unwanted call. Received on February 24, 2024 at 12:00 AM.
Call for No Subject Provided

Anonymous User from Naperville, Illinois

February 16, 2024 at 1:13 PM

331-231-2707 reported as a Robocall. Received on February 16, 2024 at 12:05 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Cypress, TX

February 7, 2024 at 8:18 PM

331-231-3728 reported as a Text Message. Received on February 7, 2024 at 2:00 PM.
Unwanted call for Other Services
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Chicago, Illinois

January 31, 2024 at 1:21 PM

331-231-6249 reported as a Live Voice or Other. Received on January 31, 2024 at 12:18 PM.
Call for Computer & technical support

Anonymous User from Clinton, IL

January 29, 2024 at 3:11 PM

None reported as a Prerecorded Voice. Received on January 29, 2024 at 9:06 AM.
Unwanted call for Unknown Services
Caller ID indicated they called from 331-231-3878
Contacted via Wired

Anonymous User from Riverview, Florida

October 31, 2023 at 4:36 PM

331-231-2688 reported as a Robocall. Received on September 22, 2023 at 1:11 PM.

Anonymous User from , TN

October 9, 2023 at 12:09 PM

331-231-3999 reported as a unwanted call. Received on October 6, 2023 at 12:00 AM.
Call for No Subject Provided

Anonymous User from Belmont, California

September 26, 2023 at 3:58 PM

331-231-3833 reported as a unwanted call. Received on September 26, 2023 at 12:55 PM.
Call for No Subject Provided

Anonymous User from Jenkintown, Pennsylvania

September 18, 2023 at 7:13 PM

331-231-3792 reported as a Live Voice or Other. Received on September 18, 2023 at 12:00 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , IL

December 6, 2022 at 12:35 PM

331-231-6439 reported as a Live Voice or Other. Received on December 6, 2022 at 11:32 AM.
Call for No Subject Provided

Anonymous User from Oswego, Illinois

November 1, 2022 at 1:56 PM

331-231-8362 reported as a unwanted call. Received on October 11, 2022 at 8:39 AM.

Anonymous User from , OH

December 8, 2016 at 5:38 PM

None reported as a Prerecorded Voice. Received on December 8, 2016 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 331-231-8436
Contacted via Wired

Most 'popular' numbers on this prefix:

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331-231-1XXX: 331-231-1500 | 331-231-1506 | 331-231-1508 | 331-231-1547 |
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331-231-5XXX: 331-231-5300 | 331-231-5340 | 331-231-5343 | 331-231-5345 |
331-231-6XXX: 331-231-6240 | 331-231-6245 | 331-231-6247 | 331-231-6258 | 331-231-6404 | 331-231-6452 | 331-231-6453 | 331-231-6484 | 331-231-6486 | 331-231-6487 | 331-231-6970 | 331-231-6975 | 331-231-6978 | 331-231-6996 | 331-231-6997 | 331-231-6998 |
331-231-8XXX: 331-231-8000 | 331-231-8005 | 331-231-8006 | 331-231-8090 | 331-231-8092 | 331-231-8096 | 331-231-8303 | 331-231-8331 | 331-231-8336 | 331-231-8360 | 331-231-8363 | 331-231-8365 |
331-231-9XXX: 331-231-9862 | 331-231-9864 | 331-231-9869 | 331-231-9883 | 331-231-9887 | 331-231-9889 |