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| Raw Number | 870644 |
| Basic Format | 870-644 |
| NPA (Area Code) | 870 |
| NXX | 644 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date | Block Available Date |
|---|---|---|---|---|---|---|---|---|---|---|
| 870-644-0XXX | 6534 | NEW CINGULAR WIRELESS PCS, LLC - IL | WATSON | RT | WATSON | AR | SW | |||
| 870-644-1XXX | 9533 | SOUTHWESTERN BELL | WATSON | RT | WATSON | AR | SW | |||
| 870-644-2XXX | 516C | AT&T ENTERPRISES, LLC | WATSON | AS | 03/01/2011 | WATSON | AR | SW | 03/25/2011 | |
| 870-644-3XXX | 9533 | SOUTHWESTERN BELL | WATSON | RT | WATSON | AR | SW | |||
| 870-644-4XXX | 348F | ONVOY, LLC - AR | WATSON | AS | 06/11/2021 | WATSON | AR | SW | 07/21/2021 | |
| 870-644-5XXX | 624H | ONVOY SPECTRUM, LLC | WATSON | AS | 06/03/2024 | WATSON | AR | SW | 07/01/2024 | |
| 870-644-6XXX | 6534 | NEW CINGULAR WIRELESS PCS, LLC - IL | WATSON | AS | 06/07/2019 | WATSON | AR | SW | 07/07/2019 | |
| 870-644-7XXX | 508J | CENTURYLINK COMMUNICATIONS, LLC | WATSON | AS | 03/20/2015 | WATSON | AR | SW | 04/23/2015 | |
| 870-644-8XXX | 9533 | SOUTHWESTERN BELL | WATSON | AV | WATSON | AR | SW | 12/12/2003 | ||
| 870-644-9XXX | 9533 | SOUTHWESTERN BELL | WATSON | AV | WATSON | AR | SW | 12/12/2003 | ||
| 870-644-XXXX | 9533 | SOUTHWESTERN BELL | WATSON | AS | WATSON | AR |
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