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| Raw Number | 520681 |
| Basic Format | 520-681 |
| NPA (Area Code) | 520 |
| NXX | 681 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|
| 520-681-0XXX | 630E | ONVOY, LLC - AZ | NOGALES | AS | 08/11/2023 | AZ | WE | 09/10/2023 |
| 520-681-1XXX | 6572 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | NOGALES | AS | 10/11/2023 | AZ | WE | 10/23/2023 |
| 520-681-2XXX | 732J | NUSO, LLC | NOGALES | AS | 11/03/2023 | AZ | WE | 11/27/2023 |
| 520-681-3XXX | 6010 | NEW CINGULAR WIRELESS PCS, LLC | NOGALES | AS | 01/15/2025 | AZ | WE | 02/10/2025 |
| 520-681-4XXX | 3285 | LEVEL 3 COMMUNICATIONS, LLC - AZ | NOGALES | AS | 06/26/2023 | AZ | WE | 08/29/2023 |
| 520-681-5XXX | 6572 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | NOGALES | AS | 09/30/2025 | AZ | WE | 11/19/2025 |
| 520-681-6XXX | 183D | VALLEY CONNECTIONS, L.L.C. - AZ | NOGALES | AS | 09/27/2024 | AZ | WE | 11/19/2024 |
| 520-681-7XXX | 6572 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | NOGALES | AS | 11/14/2024 | AZ | WE | 11/26/2024 |
| 520-681-8XXX | 6010 | NEW CINGULAR WIRELESS PCS, LLC | NOGALES | AS | 01/05/2024 | AZ | WE | 02/03/2024 |
| 520-681-9XXX | 939H | COMMIO, LLC | NOGALES | AS | 03/01/2024 | AZ | WE | 03/28/2024 |
| 520-681-XXXX | 3285 | LEVEL 3 COMMUNICATIONS, LLC - AZ | NOGALES | AS | 06/26/2023 | AZ |
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