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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 Number | 312779 |
| Basic Format | 312-779 |
| NPA (Area Code) | 312 |
| NXX | 779 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|---|
| 312-779-0XXX | 224C | ONVOY, LLC | CHICGOZN01 | AS | 05/14/2019 | CHICAGO ZONE 01 | IL | MW | 07/12/2019 |
| 312-779-1XXX | 224C | ONVOY, LLC | CHICGOZN01 | AS | 05/14/2019 | CHICAGO ZONE 01 | IL | MW | 07/12/2019 |
| 312-779-2XXX | 6115 | LEVEL 3 COMMUNICATIONS, LLC - IL | CHICGOZN01 | AS | 06/17/2019 | CHICAGO ZONE 01 | IL | MW | 07/15/2019 |
| 312-779-3XXX | 6333 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | CHICGOZN01 | AS | 04/01/2026 | CHICAGO ZONE 01 | IL | MW | 04/30/2026 |
| 312-779-4XXX | 6529 | T-MOBILE USA, INC. | CHICGOZN01 | AS | 06/29/2019 | CHICAGO ZONE 01 | IL | MW | 07/28/2019 |
| 312-779-5XXX | 5562 | METROPCS, INC. | CHICGOZN01 | AS | 06/29/2019 | CHICAGO ZONE 01 | IL | MW | 07/28/2019 |
| 312-779-6XXX | 224C | ONVOY, LLC | CHICGOZN01 | AS | 03/03/2020 | CHICAGO ZONE 01 | IL | MW | 04/04/2020 |
| 312-779-7XXX | 6529 | T-MOBILE USA, INC. | CHICGOZN01 | AS | 06/29/2019 | CHICAGO ZONE 01 | IL | MW | 07/28/2019 |
| 312-779-8XXX | 7136 | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | CHICGOZN01 | AS | 06/10/2019 | CHICAGO ZONE 01 | IL | MW | 07/13/2019 |
| 312-779-9XXX | 5562 | METROPCS, INC. | CHICGOZN01 | AS | 06/29/2019 | CHICAGO ZONE 01 | IL | MW | 07/28/2019 |
| 312-779-XXXX | 224C | ONVOY, LLC | CHICGOZN01 | AS | 05/13/2019 | CHICAGO ZONE 01 | IL |
| Phone | Name | Address |
|---|---|---|
| 312-779-7720 | The Entrepreneurs Den | |
| 312-779-0720 | Sploot Veterinary Care - Logan Square | 2510 North Milwaukee Avenue Chicago 60647 US |
| 312-779-1818 | 1818 | 200 West Monroe Street Chicago 60606 US |
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