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| Raw Number | 423501 |
| Basic Format | 423-501 |
| NPA (Area Code) | 423 |
| NXX | 501 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|---|
| 423-501-0XXX | 073H | TELNYX LLC | MOUNTAINCY | AS | 12/30/2020 | MOUNTAIN CITY | TN | SE | 01/23/2021 |
| 423-501-1XXX | 081J | SKYBEST COMMUNICATIONS, INC. - TN | MOUNTAINCY | AS | 10/26/2017 | MOUNTAIN CITY | TN | SE | 12/24/2017 |
| 423-501-2XXX | 525E | ONVOY, LLC - TN | MOUNTAINCY | AS | 05/10/2018 | MOUNTAIN CITY | TN | SE | 06/09/2018 |
| 423-501-3XXX | 525E | ONVOY, LLC - TN | MOUNTAINCY | AS | 06/10/2021 | MOUNTAIN CITY | TN | SE | 07/10/2021 |
| 423-501-4XXX | 197D | VONAGE AMERICA LLC | MOUNTAINCY | AS | 06/03/2021 | MOUNTAIN CITY | TN | SE | 06/27/2021 |
| 423-501-5XXX | 525E | ONVOY, LLC - TN | MOUNTAINCY | AS | 01/18/2021 | MOUNTAIN CITY | TN | SE | 02/17/2021 |
| 423-501-6XXX | 525E | ONVOY, LLC - TN | MOUNTAINCY | AS | 01/18/2021 | MOUNTAIN CITY | TN | SE | 02/17/2021 |
| 423-501-7XXX | 525E | ONVOY, LLC - TN | MOUNTAINCY | AS | 06/10/2021 | MOUNTAIN CITY | TN | SE | 07/10/2021 |
| 423-501-8XXX | 525E | ONVOY, LLC - TN | MOUNTAINCY | AS | 08/30/2022 | MOUNTAIN CITY | TN | SE | 09/29/2022 |
| 423-501-9XXX | 525E | ONVOY, LLC - TN | MOUNTAINCY | AS | 09/24/2021 | MOUNTAIN CITY | TN | SE | 10/23/2021 |
| 423-501-XXXX | 081J | SKYBEST COMMUNICATIONS, INC. - TN | MOUNTAINCY | AS | 10/25/2017 | MOUNTAIN CITY | TN |
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