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| Raw Number | 517553 |
| Basic Format | 517-553 |
| NPA (Area Code) | 517 |
| NXX | 553 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date | Block Available Date |
|---|---|---|---|---|---|---|---|---|---|---|
| 517-553-0XXX | 543C | ONVOY, LLCV - MI | HOWELL | AS | 07/14/2023 | HOWELL | MI | MW | 08/13/2023 | |
| 517-553-1XXX | 543C | ONVOY, LLCV - MI | HOWELL | AS | 07/14/2023 | HOWELL | MI | MW | 08/13/2023 | |
| 517-553-2XXX | 543C | ONVOY, LLCV - MI | HOWELL | AS | 07/14/2023 | HOWELL | MI | MW | 08/13/2023 | |
| 517-553-3XXX | 624H | ONVOY SPECTRUM, LLC | HOWELL | AS | 10/26/2021 | HOWELL | MI | MW | 11/25/2021 | |
| 517-553-4XXX | 624H | ONVOY SPECTRUM, LLC | HOWELL | AS | 10/26/2021 | HOWELL | MI | MW | 11/25/2021 | |
| 517-553-5XXX | 5562 | METROPCS, INC. | HOWELL | AV | HOWELL | MI | MW | 12/30/2024 | ||
| 517-553-6XXX | 543C | ONVOY, LLCV - MI | HOWELL | AS | 07/14/2023 | HOWELL | MI | MW | 08/13/2023 | |
| 517-553-7XXX | 490J | BOOST SUBSCRIBERCO L.L.C. | HOWELL | AS | 01/30/2023 | HOWELL | MI | MW | 02/27/2023 | |
| 517-553-8XXX | 6534 | NEW CINGULAR WIRELESS PCS, LLC - IL | HOWELL | AS | 10/13/2025 | HOWELL | MI | MW | 11/10/2025 | |
| 517-553-9XXX | 5562 | METROPCS, INC. | HOWELL | AS | 09/29/2021 | HOWELL | MI | MW | 11/13/2021 | |
| 517-553-XXXX | 5562 | METROPCS, INC. | HOWELL | AS | 09/29/2021 | HOWELL | MI |
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