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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 | 312377 |
| Basic Format | 312-377 |
| NPA (Area Code) | 312 |
| NXX | 377 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | City | State |
|---|---|---|---|---|---|---|
| 312-377-XXXX | 7229 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CHICGOZN01 | AS | CHICAGO ZONE 01 | IL |
| Phone | Name | Address |
|---|---|---|
| 312-377-0700 | Budin Law Offices | |
| 312-377-7000 | Charles P. Romaker, P.C. | |
| 312-377-0700 | Budin Law Offices | 1 North LaSalle Street Chicago 60602 US |
| 312-377-2002 | avec | 615 West Randolph Street Chicago 60661 US |
| 312-377-9950 | RAMEN-SAN | 59 West Hubbard Street Chicago 60654 US |
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