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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 | 312794 |
| Basic Format | 312-794 |
| NPA (Area Code) | 312 |
| NXX | 794 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|---|
| 312-794-0XXX | 8702 | RCN TELECOM SERVICES OF ILLINIOS, INC. - IL | CHICGOZN01 | RT | CHICAGO ZONE 01 | IL | MW | ||
| 312-794-1XXX | 6333 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | CHICGOZN01 | AS | 11/04/2025 | CHICAGO ZONE 01 | IL | MW | 12/04/2025 |
| 312-794-2XXX | 8702 | RCN TELECOM SERVICES OF ILLINIOS, INC. - IL | CHICGOZN01 | RT | CHICAGO ZONE 01 | IL | MW | ||
| 312-794-3XXX | 8702 | RCN TELECOM SERVICES OF ILLINIOS, INC. - IL | CHICGOZN01 | RT | CHICAGO ZONE 01 | IL | MW | ||
| 312-794-4XXX | 8702 | RCN TELECOM SERVICES OF ILLINIOS, INC. - IL | CHICGOZN01 | RT | CHICAGO ZONE 01 | IL | MW | ||
| 312-794-5XXX | 8702 | RCN TELECOM SERVICES OF ILLINIOS, INC. - IL | CHICGOZN01 | RT | CHICAGO ZONE 01 | IL | MW | ||
| 312-794-6XXX | 6333 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | CHICGOZN01 | AS | 11/04/2025 | CHICAGO ZONE 01 | IL | MW | 12/04/2025 |
| 312-794-7XXX | 7229 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CHICGOZN01 | AS | 01/06/2005 | CHICAGO ZONE 01 | IL | MW | 01/18/2005 |
| 312-794-8XXX | 7229 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CHICGOZN01 | AS | 01/06/2005 | CHICAGO ZONE 01 | IL | MW | 01/18/2005 |
| 312-794-9XXX | 8702 | RCN TELECOM SERVICES OF ILLINIOS, INC. - IL | CHICGOZN01 | RT | CHICAGO ZONE 01 | IL | MW | ||
| 312-794-XXXX | 8702 | RCN TELECOM SERVICES OF ILLINIOS, INC. - IL | CHICGOZN01 | AS | CHICAGO ZONE 01 | IL |
| Phone | Name | Address |
|---|---|---|
| 312-794-5901 | Windy City Ribs & Whiskey | 67 East Cermak Road Chicago 60616 US |
| 312-794-6000 | Wrigley Global Innovation Center | 1152 West Blackhawk Street Chicago 60642 US |
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