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| Raw Number | 331266 |
| Basic Format | 331-266 |
| NPA (Area Code) | 331 |
| NXX | 266 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|
| 331-266-0XXX | 495J | STRATUS NETWORKS | ST CHARLES | AS | 08/31/2020 | IL | MW | 09/26/2020 |
| 331-266-1XXX | 515J | IP HORIZON LLC | ST CHARLES | AS | 05/21/2021 | IL | MW | 06/14/2021 |
| 331-266-2XXX | 197D | VONAGE AMERICA LLC | ST CHARLES | AS | 09/16/2020 | IL | MW | 10/15/2020 |
| 331-266-3XXX | 197D | VONAGE AMERICA LLC | ST CHARLES | AS | 09/16/2020 | IL | MW | 10/15/2020 |
| 331-266-4XXX | 6333 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | ST CHARLES | AS | 06/09/2022 | IL | MW | 07/07/2022 |
| 331-266-5XXX | 6534 | NEW CINGULAR WIRELESS PCS, LLC - IL | ST CHARLES | AS | 10/07/2024 | IL | MW | 11/04/2024 |
| 331-266-6XXX | 965H | FRACTEL, LLC | ST CHARLES | AS | 07/09/2020 | IL | MW | 08/08/2020 |
| 331-266-7XXX | 6534 | NEW CINGULAR WIRELESS PCS, LLC - IL | ST CHARLES | AS | 04/13/2020 | IL | MW | 05/25/2020 |
| 331-266-8XXX | 6534 | NEW CINGULAR WIRELESS PCS, LLC - IL | ST CHARLES | AS | 04/13/2020 | IL | MW | 05/25/2020 |
| 331-266-9XXX | 6534 | NEW CINGULAR WIRELESS PCS, LLC - IL | ST CHARLES | AS | 04/13/2020 | IL | MW | 05/25/2020 |
| 331-266-XXXX | 6534 | NEW CINGULAR WIRELESS PCS, LLC - IL | ST CHARLES | AS | 04/10/2020 | IL |
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