You are reviewing the Area Code (NPA/NXX) report for 312-920. Did you mean to search the SMS short code 312920?
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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 | 312920 |
| Basic Format | 312-920 |
| NPA (Area Code) | 312 |
| NXX | 920 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | State |
|---|---|---|---|---|---|
| 312-920-XXXX | 9329 | ILLINOIS BELL TEL CO | CHICGOZN01 | AS | IL |
| Phone | Name | Address |
|---|---|---|
| 312-920-9393 | Indoor Science | |
| 312-920-0300 | Blick Art Materials | 16 West Randolph Street US |
| 312-920-0823 | Dunkin' | 103 West Madison Street Chicago 60603 US |
| 312-920-9100 | Corner Bakery | US |
| 312-920-9332 | Intelligentsia Coffee | 53 East Randolph Street Chicago 60601 US |
Reports
Anonymous User from Hillsboro, Missouri
December 2, 2025 at 9:44 PM
Anonymous User from Hillsboro, Illinois
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