All assignees
796 prefixes in 978 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 978-301 | PETERSHAM | 4018 | — | Yes |
| 978-302 | GROTON | 6387 | 2001-05-10 | — |
| 978-303 | WESTFORD | 4018 | — | Yes |
| 978-304 | DANVERS | 318J | — | Yes |
| 978-305 | LAWRENCE | 5562 | 2002-01-17 | Yes |
| 978-306 | SALEM | 829J | — | Yes |
| 978-307 | HAMILTON | 892D | 2018-02-05 | Yes |
| 978-308 | W NEWBURY | 829J | — | Yes |
| 978-309 | ROCKPORT | 829J | 2003-12-08 | Yes |
| 978-310 | HUDSON | 7135 | — | Yes |
| 978-311 | XXXXXXXXXX | MULT | — | — |
| 978-312 | IPSWICH | 318J | — | Yes |
| 978-313 | BILLERICA | 7135 | — | Yes |
| 978-314 | LAWRENCE | 6387 | — | — |
| 978-315 | WILMINGTON | 268F | — | Yes |
| 978-316 | CONCORD | 9748 | — | — |
| 978-317 | PEABODY | 4036 | 2001-02-22 | — |
| 978-318 | CONCORD | 9102 | — | — |
| 978-319 | LOWELL | 4018 | — | Yes |
| 978-320 | WESTFORD | 5562 | 2011-10-19 | Yes |
| 978-321 | WINCHENDON | 268F | 2013-10-03 | Yes |
| 978-322 | LOWELL | 9102 | — | Yes |
| 978-323 | LOWELL | 9102 | — | Yes |
| 978-324 | ORANGE | 6083 | — | — |
| 978-325 | GLOUCESTER | 4036 | — | Yes |
| 978-326 | PEABODY | 7135 | — | Yes |
| 978-327 | LAWRENCE | 829J | — | Yes |
| 978-328 | LOWELL | 7135 | — | Yes |
| 978-329 | LAWRENCE | 9102 | — | — |
| 978-330 | BILLERICA | 4018 | — | Yes |
| 978-331 | MAYNARD | 4018 | — | Yes |
| 978-332 | LAWRENCE | 8468 | 2004-03-12 | Yes |
| 978-333 | HUDSON | 6889 | — | Yes |
| 978-334 | GARDNER | 7229 | — | Yes |
| 978-335 | DANVERS | 6889 | — | — |
| 978-336 | SALEM | 7229 | — | Yes |
| 978-337 | LOWELL | 6387 | — | — |
| 978-338 | BEVERLY | 7229 | — | Yes |
| 978-339 | LITTLETON | 7229 | — | Yes |
| 978-340 | FITCHBURG | 9102 | — | Yes |
| 978-341 | CONCORD | 145J | — | Yes |
| 978-342 | FITCHBURG | 9102 | — | — |
| 978-343 | FITCHBURG | 9102 | — | — |
| 978-344 | MAYNARD | 829J | 2001-01-08 | Yes |
| 978-345 | FITCHBURG | 9102 | — | — |
| 978-346 | MERRIMAC | 9102 | — | Yes |
| 978-347 | HAMILTON | 7229 | 2001-07-27 | Yes |
| 978-348 | FITCHBURG | 9102 | — | — |
| 978-349 | LOWELL | 829J | — | Yes |
| 978-350 | TEMPLETON | 892D | 2016-02-26 | Yes |
| 978-351 | HAVERHILL | 6387 | 2023-09-15 | Yes |
| 978-352 | GEORGETOWN | 9102 | — | Yes |
| 978-353 | FITCHBURG | 9102 | — | Yes |
| 978-354 | SALEM | 9102 | — | Yes |
| 978-355 | BARRE | 9102 | — | Yes |
| 978-356 | IPSWICH | 9102 | — | — |
| 978-357 | NO READING | 7229 | — | Yes |
| 978-358 | NEWBURYPT | 7135 | — | Yes |
| 978-359 | TOPSFIELD | 7229 | — | Yes |
| 978-360 | HAVERHILL | 6889 | 2001-05-01 | Yes |
| 978-361 | HAVERHILL | 6889 | — | Yes |
| 978-362 | BILLERICA | 318J | — | Yes |
| 978-363 | W NEWBURY | 9102 | — | Yes |
| 978-364 | LOWELL | 4018 | — | Yes |
| 978-365 | CLINTON | 9102 | — | Yes |
| 978-366 | SUDBURY | 9748 | — | — |
| 978-367 | LOWELL | 9102 | — | Yes |
| 978-368 | CLINTON | 9102 | — | Yes |
| 978-369 | CONCORD | 9102 | — | — |
| 978-370 | NO READING | 9102 | — | — |
| 978-371 | CONCORD | 9102 | — | — |
| 978-372 | HAVERHILL | 9102 | — | — |
| 978-373 | HAVERHILL | 9102 | — | — |
| 978-374 | HAVERHILL | 9102 | — | — |
| 978-375 | LOWELL | 6889 | — | Yes |
| 978-376 | LAWRENCE | 4036 | — | — |
| 978-377 | HAVERHILL | 7229 | — | Yes |
| 978-378 | AMESBURY | 4018 | — | Yes |
| 978-379 | LAWRENCE | 7229 | — | Yes |
| 978-380 | IPSWICH | 829J | — | Yes |
| 978-381 | GLOUCESTER | 4018 | — | Yes |
| 978-382 | LAWRENCE | 6387 | — | Yes |
| 978-383 | TOWNSEND | 7229 | — | Yes |
| 978-384 | MERRIMAC | 7135 | — | Yes |
| 978-385 | HARVARD | 6083 | — | — |
| 978-386 | ASHBY | 9102 | — | Yes |
| 978-387 | LAWRENCE | 4036 | 2001-02-20 | — |
| 978-388 | AMESBURY | 9102 | — | — |
| 978-389 | BERLIN | 7229 | — | Yes |
| 978-390 | LAWRENCE | 6889 | 2001-02-08 | — |
| 978-391 | AYER | 829J | 2001-05-08 | Yes |
| 978-392 | WESTFORD | 9102 | — | — |
| 978-393 | ACTON | 990E | — | Yes |
| 978-394 | ACTON | 6889 | — | Yes |
| 978-395 | PEABODY | 4036 | — | Yes |
| 978-396 | NO READING | 829J | — | Yes |
| 978-397 | LAWRENCE | 6889 | — | — |
| 978-398 | LAWRENCE | 829J | — | Yes |
| 978-399 | WESTFORD | 9102 | 2001-02-20 | Yes |
| 978-400 | FITCHBURG | 6387 | 2001-07-27 | 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.