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| Raw Number | 557999 |
| Basic Format | 557-999 |
| NPA (Area Code) | 557 |
| NXX | 999 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|
| 557-999-0XXX | 6534 | NEW CINGULAR WIRELESS PCS, LLC - IL | SAPPINGTON | AS | 10/20/2022 | MO | SW | 11/19/2022 |
| 557-999-1XXX | 6534 | NEW CINGULAR WIRELESS PCS, LLC - IL | SAPPINGTON | AS | 10/20/2022 | MO | SW | 11/19/2022 |
| 557-999-2XXX | 093F | ONVOY, LLC - MO | SAPPINGTON | AS | 11/29/2022 | MO | SW | 12/29/2022 |
| 557-999-3XXX | 6534 | NEW CINGULAR WIRELESS PCS, LLC - IL | SAPPINGTON | AS | 06/15/2023 | MO | SW | 07/15/2023 |
| 557-999-4XXX | 093F | ONVOY, LLC - MO | SAPPINGTON | AS | 07/13/2023 | MO | SW | 08/10/2023 |
| 557-999-5XXX | 093F | ONVOY, LLC - MO | SAPPINGTON | AS | 09/01/2023 | MO | SW | 09/30/2023 |
| 557-999-6XXX | 7218 | TELEPORT COMMUNICATIONS AMERICA, LLC - MO | SAPPINGTON | AS | 08/31/2023 | MO | SW | 09/29/2023 |
| 557-999-7XXX | 733J | WIRETAP TELECOM, LLC. | SAPPINGTON | AS | 04/14/2023 | MO | SW | 05/13/2023 |
| 557-999-8XXX | 225F | PEERLESS NETWORK OF MISSOURI, LLC - MO | SAPPINGTON | AS | 01/30/2023 | MO | SW | 02/27/2023 |
| 557-999-9XXX | 145J | TERRA NOVA TELECOM INC. | SAPPINGTON | AS | 09/16/2022 | MO | SW | 11/18/2022 |
| 557-999-XXXX | 733J | WIRETAP TELECOM, LLC. | SAPPINGTON | AS | 09/16/2022 | MO |
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