312-257

You are reviewing the Area Code (NPA/NXX) report for 312-257. Did you mean to search the SMS short code 312257?

Lookup Phone Number

🇺🇸 DSN NORTHCOM Area Code Detected

The area code you entered, 312, overlaps with the DSN network for the Continental United States and Puerto Rico under Northern Command (NORTHCOM), though it could also be part of standard civilian phone numbers.

Raw Number312257
Basic Format312-257
NPA (Area Code)312
NXX257

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
312-257-0XXX6333CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ILCHICGOZN01AS08/22/2011CHICAGO ZONE 1ILMW10/16/2011
312-257-1XXX6333CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ILCHICGOZN01AS05/14/2012CHICAGO ZONE 1ILMW06/17/2012
312-257-2XXX6115LEVEL 3 COMMUNICATIONS, LLC - ILCHICGOZN01AS09/15/2011CHICAGO ZONE 1ILMW10/18/2011
312-257-3XXX6115LEVEL 3 COMMUNICATIONS, LLC - ILCHICGOZN01AS09/15/2011CHICAGO ZONE 1ILMW10/18/2011
312-257-4XXX6333CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ILCHICGOZN01AS05/14/2012CHICAGO ZONE 1ILMW06/24/2012
312-257-5XXX6333CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ILCHICGOZN01AS05/14/2012CHICAGO ZONE 1ILMW06/24/2012
312-257-6XXX6333CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ILCHICGOZN01AS05/16/2012CHICAGO ZONE 1ILMW07/01/2012
312-257-7XXX6534NEW CINGULAR WIRELESS PCS, LLC - ILCHICGOZN01AS05/10/2012CHICAGO ZONE 1ILMW06/24/2012
312-257-8XXX6534NEW CINGULAR WIRELESS PCS, LLC - ILCHICGOZN01AS05/10/2012CHICAGO ZONE 1ILMW06/24/2012
312-257-9XXX6333CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ILCHICGOZN01AS05/16/2012CHICAGO ZONE 1ILMW07/01/2012
312-257-XXXX6333CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ILCHICGOZN01AS08/18/2011CHICAGO ZONE 1IL
Most 'popular' numbers on this prefix:

312-257-8XXX: 312-257-8600 | 312-257-8601 | 312-257-8608 | 312-257-8609 | 312-257-8641 | 312-257-8643 | 312-257-8648 | 312-257-8651 | 312-257-8653 | 312-257-8655 |

Reports

Anonymous User from Chicago, Illinois

November 15, 2023 at 11:21 AM

312-257-4756 reported as a Robocall. Received on November 15, 2023 at 9:07 AM.
Call for Medical & prescriptions

Anonymous User from Chicago, Illinois

January 26, 2023 at 3:11 PM

312-257-2573 reported as a Robocall. Received on January 26, 2023 at 12:20 PM.

Anonymous User from , IL

January 17, 2023 at 3:01 PM

312-257-9546 reported as a Live Voice or Other. Received on January 17, 2023 at 9:00 AM.

Anonymous User from North Riverside, Illinois

December 12, 2022 at 5:06 PM

312-257-5217 reported as a Robocall. Received on December 11, 2022 at 12:00 AM.

Anonymous User from Athens, GA

April 5, 2022 at 3:19 AM

None reported as a Text Message. Received on April 5, 2022 at 11:12 PM.
Unwanted call for Other Services
Caller ID indicated they called from 312-257-0649
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Kansas City, MO

April 5, 2022 at 3:18 AM

312-257-0649 reported as a Text Message. Received on April 5, 2022 at 10:10 PM.
Unwanted call for Other Services
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from North Haven, CT

December 9, 2020 at 1:06 AM

516-778-5014 reported as a Prerecorded Voice. Received on December 8, 2020 at 11:19 AM.
Unwanted call for unknown
Caller ID indicated they called from 312-257-8649
Contacted via Internet (VOIP)

Anonymous User from Pageland, SC

October 30, 2020 at 7:53 PM

312-257-1202 reported as a Abandoned Calls. Received on October 30, 2020 at 5:53 PM.
Unwanted call for unknown
Contacted via Internet (VOIP)

Anonymous User from , IN

May 13, 2017 at 9:59 PM

None reported as a Text Message. Received on May 13, 2017 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 312-257-3860
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , IL

January 21, 2016 at 6:31 PM

312-257-3302 reported as a Live Voice. Received on January 21, 2016 at 8:00 PM.
Telemarketing (including do not call and spoofing) for unknown
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , CA

August 5, 2015 at 3:43 AM

312-257-4842 reported as a Text Message. Received on August 4, 2015 at 7:19 PM.
Telemarketing (including do not call and spoofing) for unknown
Contacted via Wireless (cell phone/other mobile device)

Business/Government Phones on the 312-257 Prefix

PhoneNameAddress
312-257-7817Service One Restoration, Inc.
312-257-3177Boqueria807 West Fulton Market Chicago 60607