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| Raw Number | 231559 |
| Basic Format | 231-559 |
| NPA (Area Code) | 231 |
| NXX | 559 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|
| 231-559-0XXX | 991E | BANDWIDTH.COM CLEC, LLC - MI | MCBAIN | AS | 01/25/2013 | MI | MW | 02/22/2013 |
| 231-559-1XXX | 624H | ONVOY SPECTRUM, LLC | MCBAIN | AS | 05/20/2021 | MI | MW | 06/19/2021 |
| 231-559-2XXX | 543C | ONVOY, LLCV - MI | MCBAIN | AS | 02/24/2016 | MI | MW | 03/22/2016 |
| 231-559-3XXX | 543C | ONVOY, LLCV - MI | MCBAIN | AS | 02/24/2016 | MI | MW | 03/22/2016 |
| 231-559-4XXX | 543C | ONVOY, LLCV - MI | MCBAIN | AS | 02/04/2021 | MI | MW | 03/06/2021 |
| 231-559-5XXX | 792K | CHARTER IP ENABLED SERVICES, LLC | MCBAIN | AS | 04/01/2024 | MI | MW | 06/11/2024 |
| 231-559-6XXX | 543C | ONVOY, LLCV - MI | MCBAIN | AS | 02/04/2021 | MI | MW | 03/06/2021 |
| 231-559-7XXX | 508J | CENTURYLINK COMMUNICATIONS, LLC | MCBAIN | AS | 08/17/2015 | MI | MW | 09/18/2015 |
| 231-559-8XXX | 770E | TELEPORT COMMUNICATIONS AMERICA, LLC - MI | MCBAIN | AS | 03/31/2021 | MI | MW | 05/04/2021 |
| 231-559-9XXX | 543C | ONVOY, LLCV - MI | MCBAIN | AS | 02/20/2013 | MI | MW | 03/18/2013 |
| 231-559-XXXX | 991E | BANDWIDTH.COM CLEC, LLC - MI | MCBAIN | AS | 08/01/2012 | MI |
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