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| Raw Number | 531900 |
| Basic Format | 531-900 |
| NPA (Area Code) | 531 |
| NXX | 900 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date | Block Available Date |
|---|---|---|---|---|---|---|---|---|---|---|
| 531-900-0XXX | 965H | FRACTEL, LLC | WEST POINT | AS | 08/19/2020 | WEST POINT | NE | WE | 10/16/2020 | |
| 531-900-1XXX | 624H | ONVOY SPECTRUM, LLC | WEST POINT | AS | 11/20/2024 | WEST POINT | NE | WE | 12/20/2024 | |
| 531-900-2XXX | 6701 | AERIAL COMMUNICATIONS, INC. | WEST POINT | AS | 03/19/2025 | WEST POINT | NE | WE | 05/01/2025 | |
| 531-900-3XXX | 549E | ONVOY, LLC - NE | WEST POINT | AS | 02/11/2021 | WEST POINT | NE | WE | 03/12/2021 | |
| 531-900-4XXX | 549E | ONVOY, LLC - NE | WEST POINT | AS | 02/11/2021 | WEST POINT | NE | WE | 03/12/2021 | |
| 531-900-5XXX | 965H | FRACTEL, LLC | WEST POINT | AV | WEST POINT | NE | WE | 08/04/2025 | ||
| 531-900-6XXX | 515J | IP HORIZON LLC | WEST POINT | AS | 03/28/2022 | WEST POINT | NE | WE | 04/21/2022 | |
| 531-900-7XXX | 6534 | NEW CINGULAR WIRELESS PCS, LLC - IL | WEST POINT | AS | 05/19/2022 | WEST POINT | NE | WE | 06/18/2022 | |
| 531-900-8XXX | 965H | FRACTEL, LLC | WEST POINT | AV | WEST POINT | NE | WE | 08/04/2025 | ||
| 531-900-9XXX | 965H | FRACTEL, LLC | WEST POINT | AS | 08/19/2020 | WEST POINT | NE | WE | 10/16/2020 | |
| 531-900-XXXX | 965H | FRACTEL, LLC | WEST POINT | AS | 08/17/2020 | WEST POINT | NE |
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