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| Raw Number | 810666 |
| Basic Format | 810-666 |
| NPA (Area Code) | 810 |
| NXX | 666 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|---|
| 810-666-0XXX | 991E | BANDWIDTH.COM CLEC, LLC - MI | FLINT | AS | 03/09/2018 | FLINT | MI | MW | 04/07/2018 |
| 810-666-1XXX | 991E | BANDWIDTH.COM CLEC, LLC - MI | FLINT | AS | 03/09/2018 | FLINT | MI | MW | 04/07/2018 |
| 810-666-2XXX | 991E | BANDWIDTH.COM CLEC, LLC - MI | FLINT | AS | 03/09/2018 | FLINT | MI | MW | 04/07/2018 |
| 810-666-3XXX | 933G | PEERLESS NETWORK OF MICHIGAN, LLC - MI | FLINT | AS | 08/01/2018 | FLINT | MI | MW | 08/31/2018 |
| 810-666-4XXX | 6534 | NEW CINGULAR WIRELESS PCS, LLC - IL | FLINT | AS | 12/05/2019 | FLINT | MI | MW | 12/17/2019 |
| 810-666-5XXX | 770E | TELEPORT COMMUNICATIONS AMERICA, LLC - MI | FLINT | AS | 01/09/2018 | FLINT | MI | MW | 02/08/2018 |
| 810-666-6XXX | 543C | ONVOY, LLCV - MI | FLINT | AS | 10/09/2017 | FLINT | MI | MW | 12/03/2017 |
| 810-666-7XXX | 624H | ONVOY SPECTRUM, LLC | FLINT | AS | 06/25/2020 | FLINT | MI | MW | 07/07/2020 |
| 810-666-8XXX | 624H | ONVOY SPECTRUM, LLC | FLINT | AS | 06/25/2020 | FLINT | MI | MW | 07/07/2020 |
| 810-666-9XXX | 624H | ONVOY SPECTRUM, LLC | FLINT | AS | 06/25/2020 | FLINT | MI | MW | 07/07/2020 |
| 810-666-XXXX | 543C | ONVOY, LLCV - MI | FLINT | AS | 10/06/2017 | FLINT | MI |
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