MCIMETRO ACCESS TRANSMISSION SERVICES LLC
71 prefixes in 617 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 617-203 | EVERETT | 7229 | — | Yes |
| 617-206 | BRIGHTON | 7229 | — | Yes |
| 617-208 | BRIGHTON | 7229 | — | Yes |
| 617-224 | BOSTON | 7229 | 2001-11-14 | Yes |
| 617-229 | CAMBRIDGE | 7229 | — | Yes |
| 617-238 | ROXBURY | 7229 | — | Yes |
| 617-249 | QUINCY | 7229 | — | Yes |
| 617-279 | BOSTON | 7229 | — | Yes |
| 617-299 | CAMBRIDGE | 7229 | — | Yes |
| 617-315 | SO BOSTON | 7229 | — | Yes |
| 617-326 | DORCHESTER | 7229 | — | Yes |
| 617-344 | JAMAICA PL | 7229 | — | Yes |
| 617-370 | CHELSEA | 7229 | — | Yes |
| 617-390 | JAMAICA PL | 7229 | — | Yes |
| 617-399 | BOSTON | 7229 | — | — |
| 617-405 | QUINCY | 7229 | — | Yes |
| 617-415 | BRIGHTON | 7229 | — | Yes |
| 617-418 | EASTBOSTON | 7229 | — | Yes |
| 617-420 | EVERETT | 7229 | — | Yes |
| 617-446 | DORCHESTER | 7229 | — | Yes |
| 617-449 | BOSTON | 7229 | — | Yes |
| 617-475 | CAMBRIDGE | 7229 | — | Yes |
| 617-477 | JAMAICA PL | 7229 | 2001-12-06 | Yes |
| 617-507 | BOSTON | 7229 | — | Yes |
| 617-514 | DORCHESTER | 7229 | — | Yes |
| 617-516 | ROXBURY | 7229 | — | Yes |
| 617-531 | BOSTON | 7229 | — | — |
| 617-535 | BOSTON | 7229 | — | — |
| 617-580 | CHARLESTN | 7229 | — | Yes |
| 617-588 | CAMBRIDGE | 7229 | — | — |
| 617-597 | NEWTON | 7229 | — | Yes |
| 617-600 | WATERTOWN | 7229 | — | Yes |
| 617-602 | ROXBURY | 7229 | — | Yes |
| 617-603 | BOSTON | 7229 | — | — |
| 617-607 | WATERTOWN | 7229 | — | Yes |
| 617-608 | BROOKLINE | 7229 | — | Yes |
| 617-614 | NEWTON | 7229 | — | Yes |
| 617-618 | NEWTON | 7229 | — | Yes |
| 617-649 | CAMBRIDGE | 7229 | — | Yes |
| 617-652 | ROXBURY | 7229 | — | Yes |
| 617-668 | WATERTOWN | 7229 | — | Yes |
| 617-681 | CHARLESTN | 7229 | — | Yes |
| 617-684 | SOMERVILLE | 7229 | — | Yes |
| 617-685 | CAMBRIDGE | 7229 | 2018-01-08 | Yes |
| 617-687 | QUINCY | 7229 | — | Yes |
| 617-701 | SO BOSTON | 7229 | — | Yes |
| 617-702 | SOMERVILLE | 7229 | — | Yes |
| 617-704 | DORCHESTER | 7229 | — | Yes |
| 617-706 | QUINCY | 7229 | — | Yes |
| 617-712 | CHARLESTN | 7229 | — | Yes |
| 617-714 | CAMBRIDGE | 7229 | — | Yes |
| 617-716 | EASTBOSTON | 7229 | — | Yes |
| 617-752 | SO BOSTON | 7229 | — | Yes |
| 617-819 | CHELSEA | 7229 | — | Yes |
| 617-831 | NEWTON | 7229 | — | Yes |
| 617-845 | QUINCY | 7229 | — | Yes |
| 617-860 | BROOKLINE | 7229 | — | Yes |
| 617-874 | EASTBOSTON | 7229 | — | Yes |
| 617-890 | QUINCY | 7229 | — | Yes |
| 617-892 | BOSTON | 7229 | — | Yes |
| 617-896 | BOSTON | 7229 | — | — |
| 617-914 | CAMBRIDGE | 7229 | — | — |
| 617-917 | EVERETT | 7229 | — | Yes |
| 617-941 | SOMERVILLE | 7229 | — | Yes |
| 617-949 | CAMBRIDGE | 7229 | — | Yes |
| 617-952 | CHARLESTN | 7229 | 2001-03-08 | Yes |
| 617-960 | BOSTON | 7229 | — | Yes |
| 617-977 | BELMONT | 7229 | — | Yes |
| 617-991 | BROOKLINE | 7229 | — | Yes |
| 617-992 | BROOKLINE | 7229 | — | Yes |
| 617-995 | CAMBRIDGE | 7229 | — | — |
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.