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| Raw Number | 231974 |
| Basic Format | 231-974 |
| NPA (Area Code) | 231 |
| NXX | 974 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date | Block Available Date |
|---|---|---|---|---|---|---|---|---|---|---|
| 231-974-0XXX | 2550 | 123.NET, LLC | GRANT | RT | GRANT | MI | MW | |||
| 231-974-1XXX | 515J | IP HORIZON LLC | GRANT | AS | 12/07/2021 | GRANT | MI | MW | 12/31/2021 | |
| 231-974-2XXX | 991E | BANDWIDTH.COM CLEC, LLC - MI | GRANT | AS | 08/24/2022 | GRANT | MI | MW | 09/23/2022 | |
| 231-974-3XXX | 543C | ONVOY, LLCV - MI | GRANT | AS | 02/04/2021 | GRANT | MI | MW | 03/06/2021 | |
| 231-974-4XXX | 543C | ONVOY, LLCV - MI | GRANT | AS | 02/04/2021 | GRANT | MI | MW | 03/06/2021 | |
| 231-974-5XXX | 2550 | 123.NET, LLC | GRANT | AV | GRANT | MI | MW | 11/24/2024 | ||
| 231-974-6XXX | 624H | ONVOY SPECTRUM, LLC | GRANT | AS | 05/20/2021 | GRANT | MI | MW | 06/19/2021 | |
| 231-974-7XXX | 2550 | 123.NET, LLC | GRANT | AV | GRANT | MI | MW | 08/15/2024 | ||
| 231-974-8XXX | 2550 | 123.NET, LLC | GRANT | AV | GRANT | MI | MW | 09/08/2025 | ||
| 231-974-9XXX | 2550 | 123.NET, LLC | GRANT | AV | GRANT | MI | MW | 08/04/2025 | ||
| 231-974-XXXX | 2550 | 123.NET, LLC | GRANT | AS | 08/27/2002 | GRANT | MI |
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