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| Raw Number | 331299 |
| Basic Format | 331-299 |
| NPA (Area Code) | 331 |
| NXX | 299 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|
| 331-299-0XXX | 6529 | T-MOBILE USA, INC. | HINSDALE | AS | 08/11/2022 | IL | MW | 09/09/2022 |
| 331-299-1XXX | 224C | ONVOY, LLC | HINSDALE | AS | 06/05/2024 | IL | MW | 06/29/2024 |
| 331-299-2XXX | 224C | ONVOY, LLC | HINSDALE | AS | 01/30/2021 | IL | MW | 03/05/2021 |
| 331-299-3XXX | 224C | ONVOY, LLC | HINSDALE | AS | 01/30/2021 | IL | MW | 03/05/2021 |
| 331-299-4XXX | 224C | ONVOY, LLC | HINSDALE | AS | 01/30/2021 | IL | MW | 03/05/2021 |
| 331-299-5XXX | 224C | ONVOY, LLC | HINSDALE | AS | 01/30/2021 | IL | MW | 03/05/2021 |
| 331-299-6XXX | 224C | ONVOY, LLC | HINSDALE | AS | 01/30/2021 | IL | MW | 03/05/2021 |
| 331-299-7XXX | 224C | ONVOY, LLC | HINSDALE | AS | 07/05/2024 | IL | MW | 08/14/2024 |
| 331-299-8XXX | 6529 | T-MOBILE USA, INC. | HINSDALE | AS | 01/12/2021 | IL | MW | 03/05/2021 |
| 331-299-9XXX | 965H | FRACTEL, LLC | HINSDALE | AS | 01/05/2021 | IL | MW | 03/04/2021 |
| 331-299-XXXX | 965H | FRACTEL, LLC | HINSDALE | AS | 01/04/2021 | IL |
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