You are reviewing the Area Code (NPA/NXX) report for 312-799. Did you mean to search the SMS short code 312799?
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 | 312799 |
| Basic Format | 312-799 |
| NPA (Area Code) | 312 |
| NXX | 799 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|---|
| 312-799-0XXX | 6529 | T-MOBILE USA, INC. | CHICGOZN01 | AS | 03/04/2005 | CHICAGO ZONE 01 | IL | MW | 04/15/2005 |
| 312-799-1XXX | 6529 | T-MOBILE USA, INC. | CHICGOZN01 | AS | 12/03/2004 | CHICAGO ZONE 01 | IL | MW | 01/04/2005 |
| 312-799-2XXX | 9329 | ILLINOIS BELL TEL CO | CHICGOZN01 | RT | CHICAGO ZONE 01 | IL | MW | ||
| 312-799-3XXX | 9329 | ILLINOIS BELL TEL CO | CHICGOZN01 | RT | CHICAGO ZONE 01 | IL | MW | ||
| 312-799-4XXX | 9329 | ILLINOIS BELL TEL CO | CHICGOZN01 | RT | CHICAGO ZONE 01 | IL | MW | ||
| 312-799-5XXX | 9329 | ILLINOIS BELL TEL CO | CHICGOZN01 | RT | CHICAGO ZONE 01 | IL | MW | ||
| 312-799-6XXX | 9329 | ILLINOIS BELL TEL CO | CHICGOZN01 | AS | 05/31/2000 | CHICAGO ZONE 01 | IL | MW | 07/28/2000 |
| 312-799-7XXX | 6115 | LEVEL 3 COMMUNICATIONS, LLC - IL | CHICGOZN01 | AS | 08/16/2000 | CHICAGO ZONE 01 | IL | MW | 08/29/2000 |
| 312-799-8XXX | 9329 | ILLINOIS BELL TEL CO | CHICGOZN01 | AS | 09/28/2000 | CHICAGO ZONE 01 | IL | MW | 11/18/2000 |
| 312-799-9XXX | 6529 | T-MOBILE USA, INC. | CHICGOZN01 | AS | 12/03/2004 | CHICAGO ZONE 01 | IL | MW | 01/04/2005 |
| 312-799-XXXX | 9329 | ILLINOIS BELL TEL CO | CHICGOZN01 | AS | CHICAGO ZONE 01 | IL |
| Phone | Name | Address |
|---|---|---|
| 312-799-9192 | Cream Construction LLC | |
| 312-799-1118 | Qing Xiang Yuan Dumplings | 2002 South Wentworth Avenue Chicago 60616 US |
| 312-799-2121 | North and Clark Café | 1601 North Clark Street Chicago 60614 US |
| 312-799-3599 | Marisol | 205 East Pearson Street Chicago 60611 US |
Reports
Anonymous User from , IL
April 18, 2026 at 6:31 PM
Anonymous User from , IL
April 7, 2026 at 12:32 PM
Anonymous User from Elmhurst, Illinois
September 5, 2025 at 9:39 AM
Anonymous User from Libertyville, Illinois
August 23, 2025 at 2:22 PM
Anonymous User from Libertyville, Illinois
August 15, 2025 at 1:11 PM
Anonymous User from Libertyville, Illinois
August 10, 2025 at 1:39 PM
Anonymous User from Libertyville, Illinois
June 19, 2025 at 1:54 PM
Anonymous User from Libertyville, Illinois
June 2, 2025 at 3:49 PM
Anonymous User from Libertyville, Illinois
February 14, 2025 at 11:14 AM
Anonymous User from Libertyville, Illinois
February 7, 2025 at 3:48 PM
Anonymous User from , IL
January 30, 2025 at 9:18 AM
Anonymous User from Chicago, Illinois
January 17, 2025 at 5:25 PM
Anonymous User from Chicago, Illinois
November 26, 2024 at 4:46 PM
Anonymous User from Burr Ridge, Illinois
November 25, 2024 at 3:03 PM
Anonymous User from Pompano Beach, Florida
November 19, 2024 at 6:20 PM
Anonymous User from Libertyville, Illinois
November 12, 2024 at 6:53 PM
Anonymous User from Chicago, Illinois
October 18, 2024 at 1:17 PM
Anonymous User from Libertyville, Illinois
August 23, 2024 at 1:17 PM
Anonymous User from Chicago, IL
August 1, 2024 at 6:04 PM
Anonymous User from Morton Grove, Illinois
June 29, 2024 at 3:46 PM
Anonymous User from Wheeling, Illinois
April 2, 2024 at 7:50 PM
Anonymous User from , IL
March 2, 2024 at 4:15 PM
Anonymous User from Island Lake, Illinois
January 25, 2024 at 6:50 PM
Anonymous User from , IL
November 9, 2023 at 4:37 PM
Anonymous User from Chicago, Illinois
November 8, 2023 at 5:48 PM
Anonymous User from St Cloud, Minnesota
June 12, 2023 at 10:12 AM
Anonymous User from Chicago, Illinois
April 8, 2023 at 11:12 AM
Anonymous User from , IL
June 9, 2017 at 6:34 PM