You are reviewing the Area Code (NPA/NXX) report for 312-592. Did you mean to search the SMS short code 312592?
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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 | 312592 |
| Basic Format | 312-592 |
| NPA (Area Code) | 312 |
| NXX | 592 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | City | State |
|---|---|---|---|---|---|---|
| 312-592-XXXX | 9329 | ILLINOIS BELL TEL CO | CHICGOZN01 | AS | CHICAGO ZONE 01 | IL |
Reports
Anonymous User from Fort Myers, Florida
April 8, 2026 at 4:30 PM
Anonymous User from Libertyville, Illinois
June 23, 2025 at 3:06 PM
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Anonymous User from Vermilion, Ohio
December 5, 2022 at 9:32 AM