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| Raw Number | 667577 |
| Basic Format | 667-577 |
| NPA (Area Code) | 667 |
| NXX | 577 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|---|
| 667-577-0XXX | 071F | BANDWIDTH.COM CLEC, LLC - MD | ELKTON | AS | 12/11/2020 | ELKTON | MD | MA | 01/09/2021 |
| 667-577-1XXX | 071F | BANDWIDTH.COM CLEC, LLC - MD | ELKTON | AS | 12/11/2020 | ELKTON | MD | MA | 01/09/2021 |
| 667-577-2XXX | 318J | COMCAST IP PHONE, LLC | ELKTON | AS | 09/13/2021 | ELKTON | MD | MA | 10/07/2021 |
| 667-577-3XXX | 318J | COMCAST IP PHONE, LLC | ELKTON | AS | 09/13/2021 | ELKTON | MD | MA | 10/07/2021 |
| 667-577-4XXX | 876D | ONVOY, LLC - MD | ELKTON | AS | 07/13/2023 | ELKTON | MD | MA | 08/10/2023 |
| 667-577-5XXX | 4036 | NEW CINGULAR WIRELESS PCS, LLC - DC | ELKTON | AS | 09/30/2025 | ELKTON | MD | MA | 10/10/2025 |
| 667-577-6XXX | 876D | ONVOY, LLC - MD | ELKTON | AS | 02/04/2021 | ELKTON | MD | MA | 03/04/2021 |
| 667-577-7XXX | 965H | FRACTEL, LLC | ELKTON | AS | 07/20/2020 | ELKTON | MD | MA | 09/12/2020 |
| 667-577-8XXX | 876D | ONVOY, LLC - MD | ELKTON | AS | 02/04/2021 | ELKTON | MD | MA | 03/04/2021 |
| 667-577-9XXX | 876D | ONVOY, LLC - MD | ELKTON | AS | 02/04/2021 | ELKTON | MD | MA | 03/04/2021 |
| 667-577-XXXX | 965H | FRACTEL, LLC | ELKTON | AS | 07/15/2020 | ELKTON | MD |
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