312-721

You are reviewing the Area Code (NPA/NXX) report for 312-721. Did you mean to search the SMS short code 312721?

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 Number312721
Basic Format312-721
NPA (Area Code)312
NXX721

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
312-721-0XXX6529T-MOBILE USA, INC.CHICGOZN01AS10/25/2013CHICAGO ZONE 1ILMW12/19/2013
312-721-1XXX6529T-MOBILE USA, INC.CHICGOZN01AS10/25/2013CHICAGO ZONE 1ILMW12/19/2013
312-721-2XXX6529T-MOBILE USA, INC.CHICGOZN01AS10/25/2013CHICAGO ZONE 1ILMW12/19/2013
312-721-3XXX6529T-MOBILE USA, INC.CHICGOZN01AS10/25/2013CHICAGO ZONE 1ILMW12/19/2013
312-721-4XXX6529T-MOBILE USA, INC.CHICGOZN01AS10/25/2013CHICAGO ZONE 1ILMW12/19/2013
312-721-5XXX6529T-MOBILE USA, INC.CHICGOZN01AS10/25/2013CHICAGO ZONE 1ILMW12/19/2013
312-721-6XXX6529T-MOBILE USA, INC.CHICGOZN01AS10/25/2013CHICAGO ZONE 1ILMW12/19/2013
312-721-7XXX6529T-MOBILE USA, INC.CHICGOZN01AS10/25/2013CHICAGO ZONE 1ILMW12/19/2013
312-721-8XXX6529T-MOBILE USA, INC.CHICGOZN01AS10/25/2013CHICAGO ZONE 1ILMW12/19/2013
312-721-9XXX6529T-MOBILE USA, INC.CHICGOZN01AS10/25/2013CHICAGO ZONE 1ILMW12/19/2013
312-721-XXXX6529T-MOBILE USA, INC.CHICGOZN01AS10/22/2013CHICAGO ZONE 1IL
Most 'popular' numbers on this prefix:

312-721-6XXX: 312-721-6600 | 312-721-6630 | 312-721-6633 | 312-721-6636 | 312-721-6666 |

Reports

Anonymous User from Killeen, Texas

March 6, 2024 at 12:22 PM

312-721-3002 reported as a Live Voice or Other. Received on January 16, 2024 at 12:00 AM.

Anonymous User from Portland, Illinois

November 11, 2023 at 1:17 PM

312-721-2024 reported as a Robocall. Received on November 11, 2023 at 8:40 AM.

Anonymous User from , AZ

March 29, 2023 at 4:59 PM

312-721-3894 reported as a Live Voice or Other. Received on March 29, 2023 at 1:08 PM.
Call for No Subject Provided

Anonymous User from , CA

March 6, 2023 at 10:47 PM

312-721-5255 reported as a Robocall. Received on March 6, 2023 at 4:44 PM.
Call for No Subject Provided

Anonymous User from Chicago, Illinois

September 9, 2022 at 10:56 AM

312-721-0504 reported as a Live Voice or Other. Received on September 9, 2022 at 9:51 AM.
Call for Medical & prescriptions

Anonymous User from Chicago, Illinois

May 31, 2022 at 6:29 PM

312-721-6410 reported as a Robocall. Received on May 31, 2022 at 5:15 PM.