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| Raw Number | 831666 |
| Basic Format | 831-666 |
| NPA (Area Code) | 831 |
| NXX | 666 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|
| 831-666-0XXX | 649C | ONVOY, LLC - CA | WATSONVL | AS | 05/16/2017 | CA | WC | 06/12/2017 |
| 831-666-1XXX | 073H | TELNYX LLC | WATSONVL | AS | 05/23/2017 | CA | WC | 06/05/2017 |
| 831-666-2XXX | 6010 | NEW CINGULAR WIRELESS PCS, LLC | WATSONVL | AS | 08/14/2017 | CA | WC | 09/09/2017 |
| 831-666-3XXX | 624H | ONVOY SPECTRUM, LLC | WATSONVL | AS | 06/27/2021 | CA | WC | 07/23/2021 |
| 831-666-4XXX | 649C | ONVOY, LLC - CA | WATSONVL | AS | 07/02/2021 | CA | WC | 07/30/2021 |
| 831-666-5XXX | 6010 | NEW CINGULAR WIRELESS PCS, LLC | WATSONVL | AS | 03/18/2021 | CA | WC | 04/01/2021 |
| 831-666-6XXX | 649C | ONVOY, LLC - CA | WATSONVL | AS | 03/20/2017 | CA | WC | 05/13/2017 |
| 831-666-7XXX | 6010 | NEW CINGULAR WIRELESS PCS, LLC | WATSONVL | AS | 07/30/2018 | CA | WC | 08/09/2018 |
| 831-666-8XXX | 5562 | METROPCS, INC. | WATSONVL | AS | 04/04/2018 | CA | WC | 04/16/2018 |
| 831-666-9XXX | 5562 | METROPCS, INC. | WATSONVL | AS | 04/04/2018 | CA | WC | 04/16/2018 |
| 831-666-XXXX | 649C | ONVOY, LLC - CA | WATSONVL | AS | CA |
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