MCIMETRO ACCESS TRANSMISSION SERVICES LLC
21 prefixes in 509 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 509-232 | SPOKANE | 7229 | — | Yes |
| 509-241 | SPOKANE | 7229 | — | Yes |
| 509-242 | SPOKANE | 7229 | — | Yes |
| 509-254 | CLARKSTON | 7229 | — | Yes |
| 509-279 | SPOKANE | 7229 | — | Yes |
| 509-295 | CLARKSTON | 7229 | — | Yes |
| 509-340 | SPOKANE | 7229 | — | Yes |
| 509-343 | SPOKANE | 7229 | — | — |
| 509-344 | SPOKANE | 7229 | — | Yes |
| 509-434 | SPOKANE | 7229 | — | Yes |
| 509-444 | SPOKANE | 7229 | — | — |
| 509-462 | SPOKANE | 7229 | — | — |
| 509-477 | SPOKANE | 7229 | — | Yes |
| 509-481 | SPOKANE | 7229 | 2004-03-25 | Yes |
| 509-638 | SPOKANE | 7229 | 2014-07-13 | Yes |
| 509-688 | SPOKANE | 7229 | — | Yes |
| 509-755 | SPOKANE | 7229 | — | — |
| 509-769 | CLARKSTON | 7229 | — | Yes |
| 509-777 | SPOKANE | 7229 | — | Yes |
| 509-847 | SPOKANE | 7229 | — | Yes |
| 509-984 | SPOKANE | 7229 | — | Yes |
These are initial assignees from NANPA CO-code records — because of number portability, the current serving carrier of individual numbers may differ. Bulk export requires a membership.