phone.gd North American phone lookup, short codes, caller signals, and complaint-driven research.

312-975

You are reviewing the Area Code (NPA/NXX) report for 312-975. Did you mean to search the SMS short code 312975?

North American Phone Intelligence

Search a phone number, area code, exchange, or short code

Paste raw digits, a formatted phone number, an area code, an NPA-NXX block, or a short code. US and Canada phone lookups route automatically, and international iMessage checks are available separately.

Phone LookupTop ComplaintsArea CodesNPA-NXXiMessage
Examples: 206-739-5800, 206, 206-739, 48369

🇺🇸 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 Number312975
Basic Format312-975
NPA (Area Code)312
NXX975

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
312-975-0XXX6529T-MOBILE USA, INC.CHICGOZN01AS05/19/2015CHICAGO ZONE 01ILMW07/08/2015
312-975-1XXX6529T-MOBILE USA, INC.CHICGOZN01AS05/19/2015CHICAGO ZONE 01ILMW07/08/2015
312-975-2XXX6529T-MOBILE USA, INC.CHICGOZN01AS05/19/2015CHICAGO ZONE 01ILMW07/08/2015
312-975-3XXX6529T-MOBILE USA, INC.CHICGOZN01AS05/19/2015CHICAGO ZONE 01ILMW07/08/2015
312-975-4XXX6529T-MOBILE USA, INC.CHICGOZN01AS05/19/2015CHICAGO ZONE 01ILMW07/08/2015
312-975-5XXX6529T-MOBILE USA, INC.CHICGOZN01AS05/19/2015CHICAGO ZONE 01ILMW07/08/2015
312-975-6XXX6529T-MOBILE USA, INC.CHICGOZN01AS09/16/2014CHICAGO ZONE 01ILMW11/14/2014
312-975-7XXX6529T-MOBILE USA, INC.CHICGOZN01AS09/16/2014CHICAGO ZONE 01ILMW11/14/2014
312-975-8XXX6529T-MOBILE USA, INC.CHICGOZN01AS09/16/2014CHICAGO ZONE 01ILMW11/14/2014
312-975-9XXX6529T-MOBILE USA, INC.CHICGOZN01AS09/16/2014CHICAGO ZONE 01ILMW11/14/2014
312-975-XXXX6529T-MOBILE USA, INC.CHICGOZN01AS09/15/2014CHICAGO ZONE 01IL

Reports

Anonymous User from Morton Grove, Illinois

June 29, 2024 at 3:46 PM

312-975-4148 reported as a Robocall. Received on June 28, 2024 at 11:52 AM.

Anonymous User from Chicago, Illinois

May 19, 2024 at 7:50 PM

312-975-5029 reported as a Robocall. Received on March 27, 2024 at 10:16 AM.

Anonymous User from Chicago, Illinois

May 18, 2024 at 11:17 PM

312-975-5029 reported as a Robocall. Received on March 27, 2024 at 10:16 AM.

Anonymous User from , IL

May 25, 2023 at 11:51 AM

312-975-7676 reported as a Robocall. Received on May 25, 2023 at 9:00 AM.
Call for No Subject Provided

Anonymous User from Palo Alto, CA

September 4, 2021 at 3:10 PM

None reported as a Text Message. Received on September 4, 2021 at 7:31 AM.
Unwanted call for other_services
Caller ID indicated they called from 312-975-5987
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Chicago, IL

July 15, 2021 at 2:21 AM

312-975-8791 reported as a Text Message. Received on July 15, 2021 at 8:48 PM.
Unwanted call for unknown
Contacted via Wireless (cell phone/other mobile device)

Most 'popular' numbers on this prefix:

312-975-0XXX: 312-975-0500 | 312-975-0505 | 312-975-0510 | 312-975-0511 | 312-975-0515 | 312-975-0530 | 312-975-0900 | 312-975-0902 | 312-975-0907 | 312-975-0990 | 312-975-0997 | 312-975-0998 |
312-975-4XXX: 312-975-4100 | 312-975-4140 | 312-975-4141 | 312-975-4145 | 312-975-4191 | 312-975-4197 | 312-975-4400 | 312-975-4422 | 312-975-4426 | 312-975-4427 | 312-975-4444 | 312-975-4455 |
312-975-5XXX: 312-975-5000 | 312-975-5001 | 312-975-5023 | 312-975-5025 | 312-975-5026 | 312-975-5930 | 312-975-5938 | 312-975-5976 | 312-975-5980 | 312-975-5981 | 312-975-5983 |
312-975-6XXX: 312-975-6400 | 312-975-6480 | 312-975-6483 | 312-975-6489 | 312-975-6600 | 312-975-6603 | 312-975-6609 | 312-975-6611 | 312-975-6612 | 312-975-6614 |
312-975-7XXX: 312-975-7600 | 312-975-7666 | 312-975-7669 | 312-975-7670 | 312-975-7676 | 312-975-7677 |
312-975-8XXX: 312-975-8730 | 312-975-8748 | 312-975-8790 | 312-975-8791 | 312-975-8792 | 312-975-8793 | 312-975-8800 | 312-975-8801 | 312-975-8850 | 312-975-8853 | 312-975-8855 | 312-975-8880 |
312-975-9XXX: 312-975-9860 | 312-975-9862 | 312-975-9869 | 312-975-9887 |