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| Raw Number | 406574 |
| Basic Format | 406-574 |
| NPA (Area Code) | 406 |
| NXX | 574 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date | Block Available Date |
|---|---|---|---|---|---|---|---|---|---|---|
| 406-574-0XXX | 073H | TELNYX LLC | SILVERTIP | AS | 07/13/2018 | SILVERTIP | MT | WE | 07/25/2018 | |
| 406-574-1XXX | 9636 | QWEST CORPORATION | SILVERTIP | RT | SILVERTIP | MT | WE | |||
| 406-574-2XXX | 453F | ONVOY, LLC - MT | SILVERTIP | AS | 06/07/2021 | SILVERTIP | MT | WE | 07/05/2021 | |
| 406-574-3XXX | 9636 | QWEST CORPORATION | SILVERTIP | RT | SILVERTIP | MT | WE | |||
| 406-574-4XXX | 9415 | LEVEL 3 COMMUNICATIONS, LLC - MT | SILVERTIP | AS | 02/06/2023 | SILVERTIP | MT | WE | 03/02/2023 | |
| 406-574-5XXX | 478J | NUSO, LLC | SILVERTIP | AS | 11/15/2023 | SILVERTIP | MT | WE | 12/09/2023 | |
| 406-574-6XXX | 478J | NUSO, LLC | SILVERTIP | AS | 11/15/2023 | SILVERTIP | MT | WE | 12/09/2023 | |
| 406-574-7XXX | 508J | CENTURYLINK COMMUNICATIONS, LLC | SILVERTIP | AS | 02/12/2015 | SILVERTIP | MT | WE | 03/18/2015 | |
| 406-574-8XXX | 478J | NUSO, LLC | SILVERTIP | AS | 09/11/2020 | SILVERTIP | MT | WE | 10/11/2020 | |
| 406-574-9XXX | 9636 | QWEST CORPORATION | SILVERTIP | AV | SILVERTIP | MT | WE | 10/31/2013 | ||
| 406-574-XXXX | 9636 | QWEST CORPORATION | SILVERTIP | AS | SILVERTIP | MT |
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