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| Raw Number | 331271 |
| Basic Format | 331-271 |
| NPA (Area Code) | 331 |
| NXX | 271 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|
| 331-271-0XXX | 939H | COMMIO, LLC | HINSDALE | AS | 09/14/2021 | IL | MW | 10/14/2021 |
| 331-271-1XXX | 224C | ONVOY, LLC | HINSDALE | AS | 10/22/2020 | IL | MW | 12/19/2020 |
| 331-271-2XXX | 224C | ONVOY, LLC | HINSDALE | AS | 10/22/2020 | IL | MW | 12/19/2020 |
| 331-271-3XXX | 6529 | T-MOBILE USA, INC. | HINSDALE | AS | 01/12/2021 | IL | MW | 02/11/2021 |
| 331-271-4XXX | 6529 | T-MOBILE USA, INC. | HINSDALE | AS | 01/12/2021 | IL | MW | 02/11/2021 |
| 331-271-5XXX | 063E | PEERLESS NETWORK OF ILLINOIS, LLC - IL | HINSDALE | AS | 10/28/2020 | IL | MW | 12/20/2020 |
| 331-271-6XXX | 6529 | T-MOBILE USA, INC. | HINSDALE | AS | 01/12/2021 | IL | MW | 02/11/2021 |
| 331-271-7XXX | 6529 | T-MOBILE USA, INC. | HINSDALE | AS | 01/12/2021 | IL | MW | 02/11/2021 |
| 331-271-8XXX | 478J | NUSO, LLC | HINSDALE | AS | 11/23/2020 | IL | MW | 12/20/2020 |
| 331-271-9XXX | 478J | NUSO, LLC | HINSDALE | AS | 11/23/2020 | IL | MW | 12/20/2020 |
| 331-271-XXXX | 224C | ONVOY, LLC | HINSDALE | AS | 10/21/2020 | IL |
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