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

312-678

You are reviewing the Area Code (NPA/NXX) report for 312-678. Did you mean to search the SMS short code 312678?

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 Number312678
Basic Format312-678
NPA (Area Code)312
NXX678

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
312-678-0XXX6529T-MOBILE USA, INC.CHICGOZN01AS08/14/2013CHICAGO ZONE 01ILMW09/24/2013
312-678-1XXX6529T-MOBILE USA, INC.CHICGOZN01AS08/14/2013CHICAGO ZONE 01ILMW09/24/2013
312-678-2XXX6529T-MOBILE USA, INC.CHICGOZN01AS08/14/2013CHICAGO ZONE 01ILMW09/24/2013
312-678-3XXX6529T-MOBILE USA, INC.CHICGOZN01AS07/26/2013CHICAGO ZONE 01ILMW09/23/2013
312-678-4XXX6529T-MOBILE USA, INC.CHICGOZN01AS07/26/2013CHICAGO ZONE 01ILMW09/23/2013
312-678-5XXX6529T-MOBILE USA, INC.CHICGOZN01AS07/26/2013CHICAGO ZONE 01ILMW09/23/2013
312-678-6XXX6529T-MOBILE USA, INC.CHICGOZN01AS07/26/2013CHICAGO ZONE 01ILMW09/23/2013
312-678-7XXX6529T-MOBILE USA, INC.CHICGOZN01AS07/26/2013CHICAGO ZONE 01ILMW09/23/2013
312-678-8XXX6529T-MOBILE USA, INC.CHICGOZN01AS07/26/2013CHICAGO ZONE 01ILMW09/23/2013
312-678-9XXX6529T-MOBILE USA, INC.CHICGOZN01AS07/26/2013CHICAGO ZONE 01ILMW09/23/2013
312-678-XXXX6529T-MOBILE USA, INC.CHICGOZN01AS07/25/2013CHICAGO ZONE 01IL

Business/Government Phones on the 312-678 Prefix

PhoneNameAddress
312-678-9461Cocopiña

Reports

Anonymous User from Chicago, Illinois

February 17, 2025 at 1:24 PM

312-678-5853 reported as a Robocall. Received on February 9, 2025 at 12:00 PM.

Anonymous User from Aurora, Colorado

November 28, 2024 at 2:47 PM

312-678-0909 reported as a Live Voice or Other. Received on November 25, 2024 at 12:00 PM.
Call for Work from home & other ways to make money

Anonymous User from , IL

July 14, 2024 at 8:43 AM

312-678-7646 reported as a Live Voice or Other. Received on July 13, 2024 at 4:14 PM.
Call for No Subject Provided

Anonymous User from , MI

November 20, 2022 at 6:31 PM

312-678-2274 reported as a Robocall. Received on November 20, 2022 at 5:29 PM.

Anonymous User from , IL

February 4, 2016 at 10:37 PM

312-678-8858 reported as a Live Voice. Received on February 4, 2016 at 9:00 AM.
Telemarketing (including do not call and spoofing) for unknown
Contacted via Wireless (cell phone/other mobile device)

Most 'popular' numbers on this prefix:

312-678-0XXX: 312-678-0100 | 312-678-0111 | 312-678-0115 | 312-678-0118 | 312-678-0600 | 312-678-0620 | 312-678-0623 | 312-678-0625 | 312-678-0930 | 312-678-0944 | 312-678-0948 | 312-678-0970 | 312-678-0972 | 312-678-0977 |
312-678-1XXX: 312-678-1200 | 312-678-1212 | 312-678-1275 | 312-678-1276 | 312-678-1277 | 312-678-1300 | 312-678-1310 | 312-678-1311 | 312-678-1312 | 312-678-1960 | 312-678-1962 | 312-678-1965 | 312-678-1991 | 312-678-1997 | 312-678-1998 |
312-678-2XXX: 312-678-2200 | 312-678-2220 | 312-678-2225 | 312-678-2270 | 312-678-2275 | 312-678-2277 | 312-678-2500 | 312-678-2501 | 312-678-2507 | 312-678-2540 | 312-678-2541 | 312-678-2545 |
312-678-3XXX: 312-678-3400 | 312-678-3420 | 312-678-3421 | 312-678-3423 | 312-678-3450 |
312-678-4XXX: 312-678-4300 | 312-678-4301 | 312-678-4340 | 312-678-4341 | 312-678-4343 | 312-678-4350 | 312-678-4900 | 312-678-4920 | 312-678-4922 | 312-678-4925 | 312-678-4997 | 312-678-4998 |
312-678-5XXX: 312-678-5200 | 312-678-5220 | 312-678-5250 | 312-678-5800 | 312-678-5820 | 312-678-5850 | 312-678-5855 |
312-678-6XXX: 312-678-6000 | 312-678-6020 | 312-678-6060 | 312-678-6070 | 312-678-6077 | 312-678-6078 | 312-678-6300 | 312-678-6301 | 312-678-6303 | 312-678-6310 | 312-678-6331 | 312-678-6332 | 312-678-6339 | 312-678-6391 | 312-678-6700 | 312-678-6770 | 312-678-6777 |
312-678-7XXX: 312-678-7600 | 312-678-7640 | 312-678-7643 | 312-678-7649 | 312-678-7666 |
312-678-8XXX: 312-678-8800 | 312-678-8850 | 312-678-8853 | 312-678-8855 | 312-678-8880 | 312-678-8888 |
312-678-9XXX: 312-678-9400 | 312-678-9405 | 312-678-9450 | 312-678-9460 | 312-678-9600 | 312-678-9650 | 312-678-9660 | 312-678-9666 |