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| Raw Number | 520557 |
| Basic Format | 520-557 |
| NPA (Area Code) | 520 |
| NXX | 557 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|---|
| 520-557-0XXX | 939H | COMMIO, LLC | CASAGRANDE | AS | 11/04/2022 | CASA GRANDE | AZ | WE | 01/07/2023 |
| 520-557-1XXX | 939H | COMMIO, LLC | CASAGRANDE | AS | 11/04/2022 | CASA GRANDE | AZ | WE | 01/07/2023 |
| 520-557-2XXX | 939H | COMMIO, LLC | CASAGRANDE | AS | 11/04/2022 | CASA GRANDE | AZ | WE | 01/07/2023 |
| 520-557-3XXX | 6572 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | CASAGRANDE | AS | 01/25/2023 | CASA GRANDE | AZ | WE | 02/06/2023 |
| 520-557-4XXX | 6572 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | CASAGRANDE | AS | 01/25/2023 | CASA GRANDE | AZ | WE | 02/06/2023 |
| 520-557-5XXX | 579F | PEERLESS NETWORK OF ARIZONA, LLC - AZ | CASAGRANDE | AS | 01/24/2023 | CASA GRANDE | AZ | WE | 02/23/2023 |
| 520-557-6XXX | 6010 | NEW CINGULAR WIRELESS PCS, LLC | CASAGRANDE | AS | 01/13/2023 | CASA GRANDE | AZ | WE | 02/11/2023 |
| 520-557-7XXX | 6529 | T-MOBILE USA, INC. | CASAGRANDE | AS | 01/05/2023 | CASA GRANDE | AZ | WE | 02/04/2023 |
| 520-557-8XXX | 6529 | T-MOBILE USA, INC. | CASAGRANDE | AS | 01/05/2023 | CASA GRANDE | AZ | WE | 02/04/2023 |
| 520-557-9XXX | 6529 | T-MOBILE USA, INC. | CASAGRANDE | AS | 01/05/2023 | CASA GRANDE | AZ | WE | 02/04/2023 |
| 520-557-XXXX | 939H | COMMIO, LLC | CASAGRANDE | AS | 11/04/2022 | CASA GRANDE | AZ |
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