312-523

You are reviewing the Area Code (NPA/NXX) report for 312-523. Did you mean to search the SMS short code 312523?

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 Number312523
Basic Format312-523
NPA (Area Code)312
NXX523

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
312-523-0XXX4717PAETEC COMMUNICATIONS, INC. - ILCHICGOZN01AS05/26/2005CHICAGO ZONE 1ILMW06/24/2005
312-523-1XXX6529T-MOBILE USA, INC.CHICGOZN01AS10/27/2010CHICAGO ZONE 1ILMW11/05/2010
312-523-2XXX4717PAETEC COMMUNICATIONS, INC. - ILCHICGOZN01AS05/26/2005CHICAGO ZONE 1ILMW06/24/2005
312-523-3XXX6529T-MOBILE USA, INC.CHICGOZN01RTCHICAGO ZONE 1ILMW
312-523-4XXX6529T-MOBILE USA, INC.CHICGOZN01RTCHICAGO ZONE 1ILMW
312-523-5XXX6529T-MOBILE USA, INC.CHICGOZN01RTCHICAGO ZONE 1ILMW
312-523-6XXX6529T-MOBILE USA, INC.CHICGOZN01RTCHICAGO ZONE 1ILMW
312-523-7XXX6529T-MOBILE USA, INC.CHICGOZN01RTCHICAGO ZONE 1ILMW
312-523-8XXX6529T-MOBILE USA, INC.CHICGOZN01RTCHICAGO ZONE 1ILMW
312-523-9XXX6529T-MOBILE USA, INC.CHICGOZN01RTCHICAGO ZONE 1ILMW
312-523-XXXX6529T-MOBILE USA, INC.CHICGOZN01AS CHICAGO ZONE 1IL
Most 'popular' numbers on this prefix:

312-523-1XXX: 312-523-1100 | 312-523-1111 | 312-523-1144 | 312-523-1145 | 312-523-1147 | 312-523-1149 |
312-523-3XXX: 312-523-3200 | 312-523-3203 | 312-523-3206 | 312-523-3210 | 312-523-3211 | 312-523-3214 | 312-523-3241 | 312-523-3242 | 312-523-3243 | 312-523-3280 | 312-523-3281 | 312-523-3283 |
312-523-4XXX: 312-523-4300 | 312-523-4320 | 312-523-4321 | 312-523-4322 | 312-523-4333 |
312-523-7XXX: 312-523-7600 | 312-523-7601 | 312-523-7603 | 312-523-7666 | 312-523-7668 | 312-523-7669 |

Reports

Anonymous User from Chandler, Arizona

January 22, 2024 at 12:07 PM

312-523-9300 reported as a Live Voice or Other. Received on January 22, 2024 at 10:01 AM.
Call for Work from home & other ways to make money

Anonymous User from , TX

December 8, 2023 at 12:43 PM

312-523-9300 reported as a Robocall. Received on December 8, 2023 at 11:40 AM.

Anonymous User from Naugatuck, CT

November 7, 2023 at 7:10 PM

None reported as a Live Voice. Received on November 7, 2023 at 2:00 PM.
Unwanted call for unknown
Caller ID indicated they called from 312-523-9300
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , FL

October 30, 2023 at 4:33 PM

312-523-9300 reported as a Live Voice or Other. Received on October 30, 2023 at 3:52 PM.

Anonymous User from Pella, IA

May 23, 2023 at 8:32 PM

None reported as a Live Voice. Received on May 23, 2023 at 3:34 PM.
Unwanted call for Other Services
Caller ID indicated they called from 312-523-9300
Contacted via Internet (VOIP)

Anonymous User from Fl Jacksonville, Florida

December 27, 2022 at 6:58 PM

312-523-0952 reported as a Live Voice or Other. Received on December 27, 2022 at 6:42 PM.

Anonymous User from Westchester, Illinois

November 19, 2022 at 11:16 AM

312-523-4320 reported as a Live Voice or Other. Received on November 19, 2022 at 9:04 AM.
Call for Medical & prescriptions

Anonymous User from , IL

October 25, 2022 at 4:07 PM

312-523-2809 reported as a Robocall. Received on October 14, 2022 at 4:34 PM.

Anonymous User from , IL

September 29, 2022 at 10:52 PM

312-523-4635 reported as a Robocall. Received on September 29, 2022 at 2:09 PM.

Anonymous User from , IL

June 30, 2022 at 1:00 PM

312-523-8800 reported as a Robocall. Received on June 30, 2022 at 11:58 AM.

Anonymous User from , IL

June 10, 2022 at 10:53 AM

312-523-0593 reported as a Robocall. Received on June 10, 2022 at 9:50 AM.

Anonymous User from , IL

June 14, 2017 at 1:17 AM

None reported as a Prerecorded Voice. Received on June 13, 2017 at 7:35 PM.
Unwanted call for unknown
Caller ID indicated they called from 312-523-9054
Contacted via Wireless (cell phone/other mobile device)

Business/Government Phones on the 312-523 Prefix

PhoneNameAddress
312-523-3274Wells Harris Company
312-523-4296Estate1777 North Elston Avenue Chicago 60642
312-523-5141Lake Effect Brewing Company4727 West Montrose Avenue Chicago 60641
312-523-6394KATC Sales Team [ www ]