You are reviewing the Area Code (NPA/NXX) report for 312-322. Did you mean to search the SMS short code 312322?
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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 | 312322 |
| Basic Format | 312-322 |
| NPA (Area Code) | 312 |
| NXX | 322 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | City | State |
|---|---|---|---|---|---|---|
| 312-322-XXXX | 9329 | ILLINOIS BELL TEL CO | CHICGOZN01 | AS | CHICAGO ZONE 01 | IL |
| Phone | Name | Address |
|---|---|---|
| 312-322-9000 | Robert J.Callahan and Associates | |
| 312-322-0567 | Metropolitan Correctional Center | 71 West Van Buren Street Chicago 60605 US |
| 312-322-4269 | Chicago Union Station | 225 South Canal Street Chicago 60606 US |
| 312-322-6777 | Ogilvie Transportation Center | 500 West Madison Street Chicago 60661 US |
| 312-322-6777 | Millennium Station/Pedway | 151 North Michigan Avenue Chicago 60602 US |
| 312-322-7819 | Millennium Station | 151 North Michigan Avenue Chicago 60601 US |
| 312-322-8957 | LaSalle Street Station | 414 South LaSalle Street Chicago 60605 US |
Reports
Anonymous User from Chicago, Illinois
February 12, 2026 at 3:38 PM
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