You are reviewing the Area Code (NPA/NXX) report for 312-230. Did you mean to search the SMS short code 312230?
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 | 312230 |
| Basic Format | 312-230 |
| NPA (Area Code) | 312 |
| NXX | 230 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|---|
| 312-230-0XXX | 9329 | ILLINOIS BELL TEL CO | CHICGOZN01 | RT | CHICAGO ZONE 1 | IL | MW | ||
| 312-230-1XXX | 9329 | ILLINOIS BELL TEL CO | CHICGOZN01 | RT | CHICAGO ZONE 1 | IL | MW | ||
| 312-230-2XXX | 9329 | ILLINOIS BELL TEL CO | CHICGOZN01 | RT | CHICAGO ZONE 1 | IL | MW | ||
| 312-230-3XXX | 9329 | ILLINOIS BELL TEL CO | CHICGOZN01 | RT | CHICAGO ZONE 1 | IL | MW | ||
| 312-230-4XXX | 9329 | ILLINOIS BELL TEL CO | CHICGOZN01 | RT | CHICAGO ZONE 1 | IL | MW | ||
| 312-230-5XXX | 9329 | ILLINOIS BELL TEL CO | CHICGOZN01 | RT | CHICAGO ZONE 1 | IL | MW | ||
| 312-230-6XXX | 9329 | ILLINOIS BELL TEL CO | CHICGOZN01 | RT | CHICAGO ZONE 1 | IL | MW | ||
| 312-230-7XXX | 9329 | ILLINOIS BELL TEL CO | CHICGOZN01 | RT | CHICAGO ZONE 1 | IL | MW | ||
| 312-230-8XXX | 5562 | METROPCS, INC. | CHICGOZN01 | AS | 01/22/2016 | CHICAGO ZONE 1 | IL | MW | 02/15/2016 |
| 312-230-9XXX | 9329 | ILLINOIS BELL TEL CO | CHICGOZN01 | RT | CHICAGO ZONE 1 | IL | MW | ||
| 312-230-XXXX | 9329 | ILLINOIS BELL TEL CO | CHICGOZN01 | AS | CHICAGO ZONE 1 | IL |
Reports
Anonymous User from Turnersville, New Jersey
November 21, 2022 at 3:18 PM
Anonymous User from Wheaton, Illinois
June 7, 2022 at 5:24 PM