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| Raw Number | 307440 |
| Basic Format | 307-440 |
| NPA (Area Code) | 307 |
| NXX | 440 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date | Block Available Date |
|---|---|---|---|---|---|---|---|---|---|---|
| 307-440-0XXX | 939H | COMMIO, LLC | BASIN | AS | 10/28/2021 | BASIN | WY | WE | 11/27/2021 | |
| 307-440-1XXX | 939H | COMMIO, LLC | BASIN | AS | 10/28/2021 | BASIN | WY | WE | 11/27/2021 | |
| 307-440-2XXX | 009E | BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] | BASIN | AS | 06/15/2009 | BASIN | WY | WE | 08/09/2009 | |
| 307-440-3XXX | 009E | BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] | BASIN | AV | BASIN | WY | WE | 05/13/2011 | ||
| 307-440-4XXX | 145J | TERRA NOVA TELECOM INC. | BASIN | AS | 06/20/2025 | BASIN | WY | WE | 07/14/2025 | |
| 307-440-5XXX | 009E | BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] | BASIN | AV | BASIN | WY | WE | 05/13/2011 | ||
| 307-440-6XXX | 009E | BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] | BASIN | AV | BASIN | WY | WE | 05/13/2011 | ||
| 307-440-7XXX | 009E | BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] | BASIN | AV | BASIN | WY | WE | 05/13/2011 | ||
| 307-440-8XXX | 009E | BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] | BASIN | AV | BASIN | WY | WE | 05/13/2011 | ||
| 307-440-9XXX | 009E | BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] | BASIN | AV | BASIN | WY | WE | 05/13/2011 | ||
| 307-440-XXXX | 009E | BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] | BASIN | AS | BASIN | WY |
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