You are reviewing the Area Code (NPA/NXX) report for 312-277. Did you mean to search the SMS short code 312277?
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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 | 312277 |
| Basic Format | 312-277 |
| NPA (Area Code) | 312 |
| NXX | 277 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | City | State |
|---|---|---|---|---|---|---|
| 312-277-XXXX | 7229 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CHICGOZN01 | AS | CHICAGO ZONE 01 | IL |
| Phone | Name | Address |
|---|---|---|
| 312-277-0050 | ZANER |
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