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

312-537

You are reviewing the Area Code (NPA/NXX) report for 312-537. Did you mean to search the SMS short code 312537?

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 Number312537
Basic Format312-537
NPA (Area Code)312
NXX537

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
312-537-0XXX9329ILLINOIS BELL TEL COCHICGOZN01RTCHICAGO ZONE 01ILMW
312-537-1XXX9329ILLINOIS BELL TEL COCHICGOZN01RTCHICAGO ZONE 01ILMW
312-537-2XXX9329ILLINOIS BELL TEL COCHICGOZN01RTCHICAGO ZONE 01ILMW
312-537-3XXX9329ILLINOIS BELL TEL COCHICGOZN01RTCHICAGO ZONE 01ILMW
312-537-4XXX9329ILLINOIS BELL TEL COCHICGOZN01RTCHICAGO ZONE 01ILMW
312-537-5XXX9329ILLINOIS BELL TEL COCHICGOZN01RTCHICAGO ZONE 01ILMW
312-537-6XXX829JPAETEC ITEL, LLCCHICGOZN01AS03/27/2009CHICAGO ZONE 01ILMW04/08/2009
312-537-7XXX9329ILLINOIS BELL TEL COCHICGOZN01RTCHICAGO ZONE 01ILMW
312-537-8XXX9329ILLINOIS BELL TEL COCHICGOZN01RTCHICAGO ZONE 01ILMW
312-537-9XXX9329ILLINOIS BELL TEL COCHICGOZN01RTCHICAGO ZONE 01ILMW
312-537-XXXX9329ILLINOIS BELL TEL COCHICGOZN01ASCHICAGO ZONE 01IL

Reports

Anonymous User from Fort Myers, Illinois

April 20, 2026 at 3:15 PM

312-537-6344 reported as a Robocall. Received on April 20, 2026 at 3:10 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , IL

August 29, 2025 at 8:01 PM

312-537-7830 reported as a Live Voice or Other. Received on August 29, 2025 at 11:08 AM.

Anonymous User from Chicago, Illinois

April 24, 2024 at 1:20 PM

312-537-3914 reported as a Live Voice or Other. Received on April 23, 2024 at 12:33 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Chicago, Illinois

April 17, 2024 at 7:38 PM

312-537-3379 reported as a Live Voice or Other. Received on April 16, 2024 at 1:15 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Chicago, Illinois

February 19, 2024 at 3:57 PM

312-537-6136 reported as a Live Voice or Other. Received on February 19, 2024 at 12:59 PM.
Call for Dropped call or no message

Anonymous User from Chicago, Illinois

February 15, 2024 at 3:08 PM

312-537-4349 reported as a Live Voice or Other. Received on February 15, 2024 at 1:57 PM.
Call for Dropped call or no message

Anonymous User from Chicago, Illinois

March 1, 2023 at 11:29 AM

312-537-5998 reported as a Live Voice or Other. Received on March 1, 2023 at 9:25 AM.
Call for Dropped call or no message

Anonymous User from , IL

December 20, 2022 at 3:10 PM

312-537-7429 reported as a Robocall. Received on December 20, 2022 at 2:08 PM.

Anonymous User from Chicago, Illinois

September 27, 2022 at 3:16 PM

312-537-3340 reported as a Live Voice or Other. Received on September 27, 2022 at 2:11 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Chicago, Illinois

June 23, 2022 at 12:49 PM

312-537-2148 reported as a Live Voice or Other. Received on June 22, 2022 at 12:03 PM.
Call for Dropped call or no message

Anonymous User from Chicago, IL

May 12, 2022 at 3:29 PM

None reported as a Prerecorded Voice. Received on May 12, 2022 at 5:00 PM.
Unwanted call for Amazon Services
Caller ID indicated they called from 312-537-6311
Contacted via Wired

Most 'popular' numbers on this prefix:

312-537-2XXX: 312-537-2140 | 312-537-2141 | 312-537-2145 | 312-537-2195 | 312-537-2197 | 312-537-2198 |
312-537-3XXX: 312-537-3300 | 312-537-3330 | 312-537-3333 | 312-537-3340 | 312-537-3344 | 312-537-3345 | 312-537-3900 | 312-537-3910 | 312-537-3911 | 312-537-3919 | 312-537-3950 |
312-537-4XXX: 312-537-4300 | 312-537-4333 | 312-537-4340 | 312-537-4341 | 312-537-4343 | 312-537-4350 |
312-537-5XXX: 312-537-5900 | 312-537-5907 | 312-537-5990 | 312-537-5997 | 312-537-5999 |
312-537-6XXX: 312-537-6100 | 312-537-6105 | 312-537-6130 | 312-537-6135 | 312-537-6300 | 312-537-6310 | 312-537-6311 | 312-537-6319 | 312-537-6320 |
312-537-7XXX: 312-537-7310 | 312-537-7311 | 312-537-7312 | 312-537-7400 | 312-537-7422 | 312-537-7426 | 312-537-7427 | 312-537-7443 | 312-537-7490 |
312-537-9XXX: 312-537-9200 | 312-537-9210 | 312-537-9220 | 312-537-9290 | 312-537-9299 | 312-537-9300 | 312-537-9330 | 312-537-9333 | 312-537-9337 |