MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH
44 prefixes in 603 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 603-270 | SUNCOOK | 7778 | — | Yes |
| 603-273 | LACONIA | 7778 | — | Yes |
| 603-274 | SO HAMPTON | 7778 | — | Yes |
| 603-282 | CANAAN | 7778 | — | Yes |
| 603-285 | DOVER | 7778 | — | Yes |
| 603-317 | MILAN | 7778 | — | Yes |
| 603-325 | NEW BOSTON | 7778 | — | Yes |
| 603-338 | KEENE | 7778 | — | Yes |
| 603-350 | MILTON | 7778 | — | Yes |
| 603-351 | GOFFSTOWN | 7778 | — | Yes |
| 603-390 | JEFFERSON | 7778 | — | Yes |
| 603-395 | EXETER | 7778 | — | Yes |
| 603-420 | MERRIMACK | 7778 | — | Yes |
| 603-460 | DEERFIELD | 7778 | — | Yes |
| 603-503 | LANCASTER | 7778 | — | Yes |
| 603-552 | DERRY | 7778 | — | Yes |
| 603-573 | CONCORD | 7778 | — | Yes |
| 603-575 | LITTLETON | 7778 | — | Yes |
| 603-587 | CANDIA | 7778 | — | Yes |
| 603-592 | SPOFFORD | 7778 | — | Yes |
| 603-597 | LYME | 7778 | — | Yes |
| 603-613 | COLEBROOK | 7778 | — | Yes |
| 603-637 | BEDFORD | 7778 | — | Yes |
| 603-667 | LEBANON | 7778 | — | Yes |
| 603-671 | FRANKLIN | 7778 | — | Yes |
| 603-677 | MEREDITH | 7778 | — | Yes |
| 603-690 | CLAREMONT | 7778 | — | Yes |
| 603-712 | PIKE | 7778 | — | Yes |
| 603-729 | TILTON | 7778 | — | Yes |
| 603-730 | NO CONWAY | 7778 | — | Yes |
| 603-732 | MILFORD | 7778 | — | Yes |
| 603-734 | EPPING | 7778 | — | Yes |
| 603-739 | NOWOODSTOK | 7778 | — | Yes |
| 603-751 | PELHAM | 7778 | — | Yes |
| 603-779 | PLYMOUTH | 7778 | — | Yes |
| 603-784 | PETERBROGH | 7778 | — | Yes |
| 603-797 | PLAISTOW | 7778 | — | Yes |
| 603-805 | CONCORD | 7778 | 2023-10-17 | Yes |
| 603-824 | SALEM | 7778 | — | Yes |
| 603-829 | SUNAPEE | 7778 | — | Yes |
| 603-861 | TAMWORTH | 7778 | — | Yes |
| 603-901 | CONWAY | 7778 | 2016-02-26 | Yes |
| 603-931 | CONCORD | 7778 | 2015-05-21 | Yes |
| 603-941 | WOLFEBORO | 7778 | — | 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.