You are reviewing the Area Code (NPA/NXX) report for 312-552. Did you mean to search the SMS short code 312552?
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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 | 312552 |
| Basic Format | 312-552 |
| NPA (Area Code) | 312 |
| NXX | 552 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | City | State |
|---|---|---|---|---|---|---|
| 312-552-XXXX | 9329 | ILLINOIS BELL TEL CO | CHICGOZN01 | AS | CHICAGO ZONE 01 | IL |
| Phone | Name | Address |
|---|---|---|
| 312-552-0070 | Tavern at the Park | 130 East Randolph Street Chicago 60601 US |
Reports
Anonymous User from , IL
January 29, 2026 at 9:56 PM
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Anonymous User from Portland, OR
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