You are reviewing the Area Code (NPA/NXX) report for 331-643. Did you mean to search the SMS short code 331643?
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.
| Raw Number | 331643 |
| Basic Format | 331-643 |
| NPA (Area Code) | 331 |
| NXX | 643 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|
| 331-643-0XXX | 5562 | METROPCS, INC. | AURORA | AS | 09/21/2007 | IL | MW | 11/02/2007 |
| 331-643-1XXX | 5562 | METROPCS, INC. | AURORA | AS | 09/21/2007 | IL | MW | 11/02/2007 |
| 331-643-2XXX | 5562 | METROPCS, INC. | AURORA | AS | 09/21/2007 | IL | MW | 11/02/2007 |
| 331-643-3XXX | 5562 | METROPCS, INC. | AURORA | AS | 09/21/2007 | IL | MW | 11/02/2007 |
| 331-643-4XXX | 7196 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | AURORA | AS | 10/24/2008 | IL | MW | 11/05/2008 |
| 331-643-5XXX | 6529 | T-MOBILE USA, INC. | AURORA | AS | 02/06/2009 | IL | MW | 02/19/2009 |
| 331-643-6XXX | 6529 | T-MOBILE USA, INC. | AURORA | AS | 09/28/2009 | IL | MW | 10/22/2009 |
| 331-643-7XXX | 6529 | T-MOBILE USA, INC. | AURORA | AS | 04/27/2010 | IL | MW | 05/28/2010 |
| 331-643-8XXX | 6529 | T-MOBILE USA, INC. | AURORA | AS | 04/27/2010 | IL | MW | 05/28/2010 |
| 331-643-9XXX | 6529 | T-MOBILE USA, INC. | AURORA | AS | 09/21/2007 | IL | MW | 11/02/2007 |
| 331-643-XXXX | 5562 | METROPCS, INC. | AURORA | AS | 09/18/2007 | IL |
Reports
Anonymous User from Hemingway, South Carolina
September 16, 2025 at 5:27 PM