MCIMETRO ACCESS TRANSMISSION SERVICES LLC
23 prefixes in 774 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 774-256 | WALPOLE | 7229 | 2002-03-15 | Yes |
| 774-306 | NO ATTLEBO | 7229 | 2001-03-19 | Yes |
| 774-308 | MARLBORO | 7229 | 2012-08-13 | Yes |
| 774-344 | OXFORD | 7229 | 2017-05-16 | Yes |
| 774-394 | E DOUGLAS | 7229 | 2016-12-29 | Yes |
| 774-430 | NORTON | 7229 | 2001-03-20 | Yes |
| 774-441 | WORCESTER | 7229 | 2008-01-18 | Yes |
| 774-442 | WORCESTER | 7229 | 2008-01-18 | Yes |
| 774-443 | WORCESTER | 7229 | 2008-01-18 | Yes |
| 774-448 | MILFORD | 7229 | 2020-12-14 | Yes |
| 774-506 | BROCKTON | 7229 | 2022-01-19 | Yes |
| 774-516 | EBRIDGEWTR | 7229 | 2001-03-20 | Yes |
| 774-523 | WEBSTER | 7229 | 2022-05-11 | Yes |
| 774-568 | EASTON | 7229 | 2001-03-27 | Yes |
| 774-670 | WORCESTER | 7229 | 2001-03-19 | Yes |
| 774-712 | ROCHESTER | 7229 | 2016-12-09 | Yes |
| 774-713 | WESTPORT | 7229 | 2016-12-09 | Yes |
| 774-717 | CHILMARK | 7229 | 2016-12-09 | Yes |
| 774-843 | MARLBORO | 7229 | 2014-03-28 | Yes |
| 774-855 | ASSONET | 7229 | 2006-02-02 | Yes |
| 774-893 | DOVER | 7229 | 2001-03-27 | Yes |
| 774-925 | FRAMINGHAM | 7229 | 2002-04-02 | Yes |
| 774-961 | TAUNTON | 7229 | 2001-03-20 | 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.