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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 | 312774 |
| Basic Format | 312-774 |
| NPA (Area Code) | 312 |
| NXX | 774 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|---|
| 312-774-0XXX | 6529 | T-MOBILE USA, INC. | CHICGOZN01 | AS | 08/23/2013 | CHICAGO ZONE 01 | IL | MW | 10/03/2013 |
| 312-774-1XXX | 6529 | T-MOBILE USA, INC. | CHICGOZN01 | AS | 08/23/2013 | CHICAGO ZONE 01 | IL | MW | 10/03/2013 |
| 312-774-2XXX | 6529 | T-MOBILE USA, INC. | CHICGOZN01 | AS | 08/23/2013 | CHICAGO ZONE 01 | IL | MW | 10/03/2013 |
| 312-774-3XXX | 6529 | T-MOBILE USA, INC. | CHICGOZN01 | AS | 08/23/2013 | CHICAGO ZONE 01 | IL | MW | 10/03/2013 |
| 312-774-4XXX | 6529 | T-MOBILE USA, INC. | CHICGOZN01 | AS | 08/23/2013 | CHICAGO ZONE 01 | IL | MW | 10/03/2013 |
| 312-774-5XXX | 6529 | T-MOBILE USA, INC. | CHICGOZN01 | AS | 08/23/2013 | CHICAGO ZONE 01 | IL | MW | 10/03/2013 |
| 312-774-6XXX | 6529 | T-MOBILE USA, INC. | CHICGOZN01 | AS | 08/23/2013 | CHICAGO ZONE 01 | IL | MW | 10/03/2013 |
| 312-774-7XXX | 6529 | T-MOBILE USA, INC. | CHICGOZN01 | AS | 08/23/2013 | CHICAGO ZONE 01 | IL | MW | 10/03/2013 |
| 312-774-8XXX | 6529 | T-MOBILE USA, INC. | CHICGOZN01 | AS | 08/23/2013 | CHICAGO ZONE 01 | IL | MW | 10/03/2013 |
| 312-774-9XXX | 6529 | T-MOBILE USA, INC. | CHICGOZN01 | AS | 08/23/2013 | CHICAGO ZONE 01 | IL | MW | 10/03/2013 |
| 312-774-XXXX | 6529 | T-MOBILE USA, INC. | CHICGOZN01 | AS | 08/19/2013 | CHICAGO ZONE 01 | IL |
| Phone | Name | Address |
|---|---|---|
| 312-774-2619 | Blue Nile Chicago Transportation LLC | |
| 312-774-8418 | America's Cleaning Services Inc | |
| 312-774-9707 | Thermo-stat Mechanical, Inc. | |
| 312-774-0303 | Pazza Pizza | 1543 North Sedgwick Street US |
| 312-774-1736 | Le Petit Sucre | 1939 West Fulton Street Chicago 60612 US |
| 312-774-5210 | Iridium 77 | 108 North State Street Chicago 60602 US |
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