MCIMETRO ACCESS TRANSMISSION SERVICES LLC
33 prefixes in 206 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 206-267 | SEATTLE | 7229 | — | Yes |
| 206-315 | SEATTLE | 7229 | — | Yes |
| 206-319 | BAINBDG IS | 7229 | — | Yes |
| 206-336 | SEATTLE | 7229 | — | — |
| 206-357 | SEATTLE | 7229 | — | Yes |
| 206-401 | RICHMNDBCH | 7229 | 2016-03-08 | Yes |
| 206-407 | SEATTLE | 7229 | — | Yes |
| 206-408 | VASHON | 7229 | — | Yes |
| 206-413 | SEATTLE | 7229 | 2016-01-15 | Yes |
| 206-428 | SEATTLE | 7229 | — | Yes |
| 206-429 | DES MOINES | 7229 | — | Yes |
| 206-438 | SEATTLE | 7229 | — | Yes |
| 206-492 | SEATTLE | 7229 | 2015-09-25 | Yes |
| 206-494 | SEATTLE | 7229 | — | Yes |
| 206-539 | SEATTLE | 7229 | 2015-09-30 | Yes |
| 206-607 | SEATTLE | 7229 | — | Yes |
| 206-641 | SEATTLE | 7229 | 2011-11-09 | Yes |
| 206-668 | SEATTLE | 7229 | 2015-07-29 | Yes |
| 206-701 | SEATTLE | 7229 | — | Yes |
| 206-708 | SEATTLE | 7229 | — | Yes |
| 206-777 | SEATTLE | 7229 | — | Yes |
| 206-801 | RICHMNDBCH | 7229 | — | Yes |
| 206-815 | SEATTLE | 7229 | 2023-01-23 | Yes |
| 206-820 | SEATTLE | 7229 | 2023-01-23 | Yes |
| 206-826 | SEATTLE | 7229 | — | — |
| 206-827 | SEATTLE | 7229 | 2023-01-23 | Yes |
| 206-831 | SEATTLE | 7229 | 2023-01-23 | Yes |
| 206-832 | SEATTLE | 7229 | — | Yes |
| 206-833 | SEATTLE | 7229 | 2018-11-20 | Yes |
| 206-836 | SEATTLE | 7229 | 2023-01-23 | Yes |
| 206-877 | SEATTLE | 7229 | — | Yes |
| 206-902 | SEATTLE | 7229 | — | Yes |
| 206-905 | SEATTLE | 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.