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| Raw Number | 903623 |
| Basic Format | 903-623 |
| NPA (Area Code) | 903 |
| NXX | 623 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|---|
| 903-623-0XXX | 135H | PEOPLES COMMUNICATION, INC. -TX | WINDOM | AS | 11/04/2013 | WINDOM | TX | SW | 12/01/2013 |
| 903-623-1XXX | 903C | ONVOY, LLC - TX | WINDOM | AS | 03/16/2016 | WINDOM | TX | SW | 04/14/2016 |
| 903-623-2XXX | 145J | TERRA NOVA TELECOM INC. | WINDOM | AS | 07/16/2024 | WINDOM | TX | SW | 08/22/2024 |
| 903-623-3XXX | 073H | TELNYX LLC | WINDOM | AS | 05/07/2019 | WINDOM | TX | SW | 05/17/2019 |
| 903-623-4XXX | 2154 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | WINDOM | RT | WINDOM | TX | SW | ||
| 903-623-5XXX | 004F | BANDWIDTH.COM CLEC, LLC - TX | WINDOM | AS | 11/28/2011 | WINDOM | TX | SW | 12/24/2011 |
| 903-623-6XXX | 903C | ONVOY, LLC - TX | WINDOM | AS | 06/08/2012 | WINDOM | TX | SW | 07/06/2012 |
| 903-623-7XXX | 903C | ONVOY, LLC - TX | WINDOM | AS | 02/09/2009 | WINDOM | TX | SW | 03/08/2009 |
| 903-623-8XXX | 903C | ONVOY, LLC - TX | WINDOM | AS | 11/14/2012 | WINDOM | TX | SW | 12/13/2012 |
| 903-623-9XXX | 903C | ONVOY, LLC - TX | WINDOM | AS | 03/16/2016 | WINDOM | TX | SW | 04/14/2016 |
| 903-623-XXXX | 2154 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | WINDOM | AS | WINDOM | TX |
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