All assignees
796 prefixes in 978 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 978-401 | LEOMINSTER | 4018 | 2001-03-19 | Yes |
| 978-402 | CONCORD | 7135 | — | Yes |
| 978-403 | LUNENBURG | 990E | 2011-03-18 | Yes |
| 978-404 | WILMINGTON | 5562 | 2002-10-25 | Yes |
| 978-405 | CONCORD | 829J | — | Yes |
| 978-406 | DANVERS | 6889 | — | Yes |
| 978-407 | FITCHBURG | 4036 | — | — |
| 978-408 | BILLERICA | 5562 | 2002-10-28 | Yes |
| 978-409 | ANDOVER | 318J | — | Yes |
| 978-410 | GARDNER | 829J | — | Yes |
| 978-411 | XXXXXXXXXX | MULT | — | — |
| 978-412 | IPSWICH | 9102 | — | Yes |
| 978-413 | WESTFORD | 5562 | 2002-10-28 | Yes |
| 978-414 | SALEM | 7229 | — | Yes |
| 978-415 | BERLIN | 829J | — | Yes |
| 978-416 | LAWRENCE | 4018 | — | Yes |
| 978-417 | NEWBURYPT | 5562 | 2002-10-28 | Yes |
| 978-418 | LOWELL | 7229 | — | Yes |
| 978-419 | TYNGSBORO | 268F | 2013-10-03 | Yes |
| 978-420 | HAVERHILL | 829J | 2001-04-19 | Yes |
| 978-421 | LOWELL | 7135 | — | Yes |
| 978-422 | STERLING | 9102 | — | Yes |
| 978-423 | LOWELL | 6889 | — | Yes |
| 978-424 | FITCHBURG | 7135 | — | Yes |
| 978-425 | SHIRLEY | 9102 | — | Yes |
| 978-426 | PRINCETON | 6083 | — | — |
| 978-427 | LOWELL | 6889 | 2011-07-21 | Yes |
| 978-428 | AYER | 7229 | 2013-11-03 | Yes |
| 978-429 | ACTON | 4018 | — | Yes |
| 978-430 | BILLERICA | 4036 | — | — |
| 978-431 | LITTLETON | 268F | — | Yes |
| 978-432 | ROWLEY | 318J | — | Yes |
| 978-433 | PEPPERELL | 9102 | — | — |
| 978-434 | BARRE | 6387 | 2001-07-20 | Yes |
| 978-435 | BILLERICA | 4036 | — | Yes |
| 978-436 | BILLERICA | 9102 | — | Yes |
| 978-437 | BILLERICA | 9102 | — | Yes |
| 978-438 | PEABODY | 4036 | 2016-04-19 | Yes |
| 978-439 | BILLERICA | 9102 | — | Yes |
| 978-440 | SUDBURY | 9102 | — | Yes |
| 978-441 | LOWELL | 9102 | — | Yes |
| 978-442 | LOWELL | 9102 | — | Yes |
| 978-443 | SUDBURY | 9102 | — | — |
| 978-444 | WILMINGTON | 990E | — | Yes |
| 978-445 | SUDBURY | 9102 | — | Yes |
| 978-446 | LOWELL | 9102 | — | Yes |
| 978-447 | WILMINGTON | 318J | — | Yes |
| 978-448 | GROTON | 9102 | — | — |
| 978-449 | GROTON | 9102 | — | Yes |
| 978-450 | MAYNARD | 7229 | — | Yes |
| 978-451 | CONCORD | 4018 | — | Yes |
| 978-452 | LOWELL | 9102 | — | — |
| 978-453 | LOWELL | 9102 | — | — |
| 978-454 | LOWELL | 9102 | — | — |
| 978-455 | LOWELL | 318J | — | — |
| 978-456 | HARVARD | 9102 | — | Yes |
| 978-457 | HAVERHILL | 6889 | — | Yes |
| 978-458 | LOWELL | 9102 | — | — |
| 978-459 | LOWELL | 9102 | — | — |
| 978-460 | SUDBURY | 6387 | 2002-05-31 | Yes |
| 978-461 | MAYNARD | 9102 | — | — |
| 978-462 | NEWBURYPT | 9102 | — | — |
| 978-463 | NEWBURYPT | 9102 | — | — |
| 978-464 | PRINCETON | 9102 | — | Yes |
| 978-465 | NEWBURYPT | 9102 | — | — |
| 978-466 | LEOMINSTER | 9102 | — | — |
| 978-467 | WESTFORD | 7619 | — | Yes |
| 978-468 | HAMILTON | 9102 | — | — |
| 978-469 | HAVERHILL | 9102 | — | — |
| 978-470 | ANDOVER | 9102 | — | — |
| 978-471 | IPSWICH | 5562 | 2002-10-28 | Yes |
| 978-472 | CONCORD | 990E | — | Yes |
| 978-473 | BEVERLY | 5562 | — | Yes |
| 978-474 | ANDOVER | 9102 | — | — |
| 978-475 | ANDOVER | 9102 | — | — |
| 978-476 | HAVERHILL | 6889 | 2002-07-30 | Yes |
| 978-477 | W NEWBURY | 7229 | — | Yes |
| 978-478 | HAVERHILL | 829J | — | Yes |
| 978-479 | LOWELL | 6889 | — | Yes |
| 978-480 | TOWNSEND | 4018 | — | Yes |
| 978-481 | PRINCETON | 829J | — | Yes |
| 978-482 | ANDOVER | 4018 | — | Yes |
| 978-483 | LOWELL | 9102 | 2001-07-27 | Yes |
| 978-484 | ROWLEY | 268F | — | Yes |
| 978-485 | SALEM | 4018 | — | Yes |
| 978-486 | LITTLETON | 9102 | — | Yes |
| 978-487 | AYER | 7135 | — | Yes |
| 978-488 | BILLERICA | 990E | — | Yes |
| 978-489 | ACTON | 6889 | — | Yes |
| 978-490 | WESTFORD | 5562 | 2001-05-03 | Yes |
| 978-491 | GLOUCESTER | 829J | — | Yes |
| 978-492 | LOWELL | 6083 | — | — |
| 978-493 | MAYNARD | 4036 | — | Yes |
| 978-494 | ANDOVER | 4036 | — | Yes |
| 978-495 | BILLERICA | 4036 | 2001-03-19 | Yes |
| 978-496 | WESTFORD | 318J | 2004-11-17 | Yes |
| 978-497 | LOWELL | 9102 | — | — |
| 978-498 | SALEM | 7135 | — | Yes |
| 978-499 | NEWBURYPT | 9102 | — | — |
| 978-500 | IPSWICH | 6387 | 2002-03-08 | 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.