You are reviewing the Area Code (NPA/NXX) report for 312-790. Did you mean to search the SMS short code 312790?
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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 | 312790 |
| Basic Format | 312-790 |
| NPA (Area Code) | 312 |
| NXX | 790 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | City | State |
|---|---|---|---|---|---|---|
| 312-790-XXXX | 9329 | ILLINOIS BELL TEL CO | CHICGOZN01 | AS | CHICAGO ZONE 01 | IL |
Reports
Anonymous User from Johnsburg, Illinois
September 16, 2025 at 1:06 PM
Anonymous User from Oak Forest, Illinois
June 3, 2022 at 11:12 AM