You are reviewing the Area Code (NPA/NXX) report for 312-424. Did you mean to search the SMS short code 312424?
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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 | 312424 |
| Basic Format | 312-424 |
| NPA (Area Code) | 312 |
| NXX | 424 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | City | State |
|---|---|---|---|---|---|---|
| 312-424-XXXX | 9329 | ILLINOIS BELL TEL CO | CHICGOZN01 | AS | CHICAGO ZONE 01 | IL |
| Phone | Name | Address |
|---|---|---|
| 312-424-4288 | Morningstar, Inc. | |
| 312-424-9200 | Jimmy John's | 216 West Jackson Boulevard Chicago 60606 US |
Reports
Anonymous User from Bethesda, MD
June 24, 2025 at 7:01 PM
Anonymous User from Horn Lake, MS
January 10, 2023 at 7:59 PM
Anonymous User from , IL
November 3, 2022 at 7:05 PM
Anonymous User from Chicago, Illinois
October 7, 2022 at 12:48 PM
Anonymous User from , MD
July 12, 2022 at 7:54 PM