You are reviewing the Area Code (NPA/NXX) report for 312-369. Did you mean to search the SMS short code 312369?
Paste raw digits, a formatted phone number, an area code, an NPA-NXX block, or a short code. US and Canada phone lookups route automatically, and international iMessage checks are available separately.
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 | 312369 |
| Basic Format | 312-369 |
| NPA (Area Code) | 312 |
| NXX | 369 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|---|
| 312-369-0XXX | 6534 | NEW CINGULAR WIRELESS PCS, LLC - IL | CHICGOZN01 | AS | 05/25/2011 | CHICAGO ZONE 01 | IL | MW | 06/23/2011 |
| 312-369-1XXX | 9329 | ILLINOIS BELL TEL CO | CHICGOZN01 | AS | 04/08/2008 | CHICAGO ZONE 01 | IL | MW | 04/18/2008 |
| 312-369-2XXX | 9329 | ILLINOIS BELL TEL CO | CHICGOZN01 | AS | 04/08/2008 | CHICAGO ZONE 01 | IL | MW | 04/18/2008 |
| 312-369-3XXX | 9329 | ILLINOIS BELL TEL CO | CHICGOZN01 | AS | 04/08/2008 | CHICAGO ZONE 01 | IL | MW | 04/18/2008 |
| 312-369-4XXX | 9329 | ILLINOIS BELL TEL CO | CHICGOZN01 | AS | 04/08/2008 | CHICAGO ZONE 01 | IL | MW | 04/18/2008 |
| 312-369-5XXX | 9329 | ILLINOIS BELL TEL CO | CHICGOZN01 | AS | 04/08/2008 | CHICAGO ZONE 01 | IL | MW | 04/18/2008 |
| 312-369-6XXX | 9329 | ILLINOIS BELL TEL CO | CHICGOZN01 | AS | 04/08/2008 | CHICAGO ZONE 01 | IL | MW | 04/18/2008 |
| 312-369-7XXX | 9329 | ILLINOIS BELL TEL CO | CHICGOZN01 | AS | 04/08/2008 | CHICAGO ZONE 01 | IL | MW | 04/18/2008 |
| 312-369-8XXX | 9329 | ILLINOIS BELL TEL CO | CHICGOZN01 | AS | 04/08/2008 | CHICAGO ZONE 01 | IL | MW | 04/18/2008 |
| 312-369-9XXX | 6534 | NEW CINGULAR WIRELESS PCS, LLC - IL | CHICGOZN01 | RT | CHICAGO ZONE 01 | IL | MW | ||
| 312-369-XXXX | 6534 | NEW CINGULAR WIRELESS PCS, LLC - IL | CHICGOZN01 | AS | CHICAGO ZONE 01 | IL |
| Phone | Name | Address |
|---|---|---|
| 312-369-7900 | Columbia College Chicago Library | 624 South Michigan Avenue Chicago 60605 US |
Reports
Anonymous User from Fort Myers, Illinois
April 17, 2026 at 10:19 AM
Anonymous User from Chicago, Illinois
April 3, 2025 at 1:25 PM
Anonymous User from West Chicago, Illinois
March 26, 2025 at 4:21 PM
Anonymous User from Rockledge, Illinois
March 3, 2025 at 1:26 PM
Anonymous User from Chicago Il, Illinois
December 4, 2024 at 12:28 PM
Anonymous User from Lincoln, Nebraska
November 13, 2024 at 4:30 PM
Anonymous User from Chicago, Illinois
August 14, 2024 at 5:24 PM
Anonymous User from Chicago, Illinois
July 23, 2024 at 8:31 PM
Anonymous User from Chicago, Illinois
March 21, 2024 at 1:01 PM
Anonymous User from , IL
July 27, 2022 at 4:34 PM
Anonymous User from , IL
July 27, 2022 at 4:33 PM
Anonymous User from , IL
July 27, 2022 at 4:32 PM