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| Raw Number | 660677 |
| Basic Format | 660-677 |
| NPA (Area Code) | 660 |
| NXX | 677 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date | Block Available Date |
|---|---|---|---|---|---|---|---|---|---|---|
| 660-677-0XXX | 4932 | LEVEL 3 COMMUNICATIONS, LLC - MO | ARMSTRONG | AV | ARMSTRONG | MO | SW | 12/17/2007 | ||
| 660-677-1XXX | 624H | ONVOY SPECTRUM, LLC | ARMSTRONG | AS | 12/13/2024 | ARMSTRONG | MO | SW | 01/12/2025 | |
| 660-677-2XXX | 093F | ONVOY, LLC - MO | ARMSTRONG | AS | 09/20/2021 | ARMSTRONG | MO | SW | 10/18/2021 | |
| 660-677-3XXX | 4932 | LEVEL 3 COMMUNICATIONS, LLC - MO | ARMSTRONG | AV | ARMSTRONG | MO | SW | 03/11/2003 | ||
| 660-677-4XXX | 4932 | LEVEL 3 COMMUNICATIONS, LLC - MO | ARMSTRONG | RT | ARMSTRONG | MO | SW | |||
| 660-677-5XXX | 4932 | LEVEL 3 COMMUNICATIONS, LLC - MO | ARMSTRONG | AV | ARMSTRONG | MO | SW | 03/11/2003 | ||
| 660-677-6XXX | 093F | ONVOY, LLC - MO | ARMSTRONG | AS | 12/07/2020 | ARMSTRONG | MO | SW | 01/06/2021 | |
| 660-677-7XXX | 965H | FRACTEL, LLC | ARMSTRONG | AS | 10/15/2019 | ARMSTRONG | MO | SW | 11/14/2019 | |
| 660-677-8XXX | 516C | AT&T ENTERPRISES, LLC | ARMSTRONG | AS | 09/05/2023 | ARMSTRONG | MO | SW | 10/02/2023 | |
| 660-677-9XXX | 4932 | LEVEL 3 COMMUNICATIONS, LLC - MO | ARMSTRONG | AV | ARMSTRONG | MO | SW | 07/10/2024 | ||
| 660-677-XXXX | 4932 | LEVEL 3 COMMUNICATIONS, LLC - MO | ARMSTRONG | AS | 03/28/2002 | ARMSTRONG | MO |
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