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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 | 312478 |
| Basic Format | 312-478 |
| NPA (Area Code) | 312 |
| NXX | 478 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|---|
| 312-478-0XXX | 6529 | T-MOBILE USA, INC. | CHICGOZN01 | AS | 03/21/2014 | CHICAGO ZONE 01 | IL | MW | 05/18/2014 |
| 312-478-1XXX | 6529 | T-MOBILE USA, INC. | CHICGOZN01 | AS | 03/21/2014 | CHICAGO ZONE 01 | IL | MW | 05/18/2014 |
| 312-478-2XXX | 6529 | T-MOBILE USA, INC. | CHICGOZN01 | AS | 03/21/2014 | CHICAGO ZONE 01 | IL | MW | 05/18/2014 |
| 312-478-3XXX | 6529 | T-MOBILE USA, INC. | CHICGOZN01 | AS | 03/21/2014 | CHICAGO ZONE 01 | IL | MW | 05/18/2014 |
| 312-478-4XXX | 6529 | T-MOBILE USA, INC. | CHICGOZN01 | AS | 03/21/2014 | CHICAGO ZONE 01 | IL | MW | 05/18/2014 |
| 312-478-5XXX | 6529 | T-MOBILE USA, INC. | CHICGOZN01 | AS | 03/21/2014 | CHICAGO ZONE 01 | IL | MW | 05/18/2014 |
| 312-478-6XXX | 6529 | T-MOBILE USA, INC. | CHICGOZN01 | AS | 03/21/2014 | CHICAGO ZONE 01 | IL | MW | 05/18/2014 |
| 312-478-7XXX | 6529 | T-MOBILE USA, INC. | CHICGOZN01 | AS | 03/21/2014 | CHICAGO ZONE 01 | IL | MW | 05/18/2014 |
| 312-478-8XXX | 6529 | T-MOBILE USA, INC. | CHICGOZN01 | AS | 03/21/2014 | CHICAGO ZONE 01 | IL | MW | 05/18/2014 |
| 312-478-9XXX | 6529 | T-MOBILE USA, INC. | CHICGOZN01 | AS | 03/21/2014 | CHICAGO ZONE 01 | IL | MW | 05/18/2014 |
| 312-478-XXXX | 6529 | T-MOBILE USA, INC. | CHICGOZN01 | AS | 03/20/2014 | CHICAGO ZONE 01 | IL |
| Phone | Name | Address |
|---|---|---|
| 312-478-8254 | Classy Way Travel Agency | |
| 312-478-9434 | Pilsen Community Books | 1102 West 18th Street Chicago 60608 US |
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