MCIMETRO ACCESS TRANSMISSION SERVICES LLC
21 prefixes in 707 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 707-225 | NAPA | 7229 | — | Yes |
| 707-227 | NAPA | 7229 | — | Yes |
| 707-228 | SANTA ROSA | 7229 | — | Yes |
| 707-316 | DIXON | 7229 | 2019-03-04 | Yes |
| 707-345 | ST HELENA | 7229 | — | Yes |
| 707-559 | PTLM MAIN | 7229 | — | Yes |
| 707-563 | VALLEJO | 7229 | — | Yes |
| 707-671 | UKIAH | 7229 | — | Yes |
| 707-672 | EUREKA | 7229 | — | Yes |
| 707-673 | FRFLD-SUIS | 7229 | — | Yes |
| 707-691 | GUERNEVL | 7229 | — | Yes |
| 707-692 | LOWER LAKE | 7229 | — | Yes |
| 707-734 | FORT BRAGG | 7229 | — | Yes |
| 707-742 | BENICIA | 7229 | — | Yes |
| 707-759 | FRFLD-SUIS | 7229 | — | Yes |
| 707-787 | PTLM MAIN | 7229 | — | Yes |
| 707-796 | PTLM SWIFT | 7229 | — | Yes |
| 707-879 | TOMALES | 7229 | — | Yes |
| 707-918 | SANTA ROSA | 7229 | 2021-09-29 | Yes |
| 707-934 | SONOMA | 7229 | — | Yes |
| 707-947 | YOUNTVILLE | 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.