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86 prefixes in 978 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 978-219 | SALEM | 4018 | 2001-02-20 | Yes |
| 978-229 | WILMINGTON | 4018 | — | Yes |
| 978-233 | HAMILTON | 4018 | — | Yes |
| 978-234 | GEORGETOWN | 4018 | — | Yes |
| 978-237 | LAWRENCE | 4018 | — | Yes |
| 978-252 | ASHBURNHAM | 4018 | — | Yes |
| 978-274 | ACTON | 4018 | — | Yes |
| 978-277 | TEMPLETON | 4018 | — | Yes |
| 978-286 | STERLING | 4018 | 2001-07-20 | Yes |
| 978-293 | HUDSON | 4018 | — | Yes |
| 978-301 | PETERSHAM | 4018 | — | Yes |
| 978-303 | WESTFORD | 4018 | — | Yes |
| 978-319 | LOWELL | 4018 | — | Yes |
| 978-330 | BILLERICA | 4018 | — | Yes |
| 978-331 | MAYNARD | 4018 | — | Yes |
| 978-364 | LOWELL | 4018 | — | Yes |
| 978-378 | AMESBURY | 4018 | — | Yes |
| 978-381 | GLOUCESTER | 4018 | — | Yes |
| 978-401 | LEOMINSTER | 4018 | 2001-03-19 | Yes |
| 978-416 | LAWRENCE | 4018 | — | Yes |
| 978-429 | ACTON | 4018 | — | Yes |
| 978-451 | CONCORD | 4018 | — | Yes |
| 978-480 | TOWNSEND | 4018 | — | Yes |
| 978-482 | ANDOVER | 4018 | — | Yes |
| 978-485 | SALEM | 4018 | — | Yes |
| 978-518 | NEWBURYPT | 4018 | — | Yes |
| 978-527 | WILMINGTON | 4018 | — | Yes |
| 978-558 | BOLTON | 4018 | — | Yes |
| 978-574 | ATHOLFKLN | 4018 | — | Yes |
| 978-587 | PEABODY | 4018 | — | Yes |
| 978-595 | PEABODY | 4018 | — | Yes |
| 978-607 | SALEM | 4018 | 2001-05-22 | Yes |
| 978-608 | BILLERICA | 4018 | — | Yes |
| 978-613 | PETERSHAM | 4018 | — | Yes |
| 978-615 | AYER | 4018 | — | Yes |
| 978-616 | WINCHENDON | 4018 | 2006-02-07 | Yes |
| 978-627 | FITCHBURG | 4018 | 2001-05-18 | Yes |
| 978-631 | ACTON | 4018 | — | Yes |
| 978-633 | ORANGE | 4018 | — | Yes |
| 978-636 | BARRE | 4018 | — | Yes |
| 978-653 | HAMILTON | 4018 | — | Yes |
| 978-662 | ANDOVER | 4018 | — | Yes |
| 978-666 | SALEM | 4018 | — | Yes |
| 978-673 | ORANGE | 4018 | 2008-01-28 | Yes |
| 978-705 | DANVERS | 4018 | — | Yes |
| 978-707 | HARVARD | 4018 | 2006-02-07 | Yes |
| 978-710 | LOWELL | 4018 | 2001-05-18 | Yes |
| 978-712 | BEVERLY | 4018 | — | Yes |
| 978-717 | PEABODY | 4018 | — | Yes |
| 978-735 | LOWELL | 4018 | 2002-02-27 | Yes |
| 978-746 | LOWELL | 4018 | — | Yes |
| 978-748 | TYNGSBORO | 4018 | — | Yes |
| 978-767 | DANVERS | 4018 | 2001-12-15 | Yes |
| 978-775 | ANDOVER | 4018 | — | Yes |
| 978-776 | CONCORD | 4018 | — | Yes |
| 978-780 | ATHOL | 4018 | — | Yes |
| 978-800 | LITTLETON | 4018 | 2001-12-31 | Yes |
| 978-801 | ESSEX | 4018 | 2001-12-31 | Yes |
| 978-812 | TOWNSEND | 4018 | — | Yes |
| 978-819 | W NEWBURY | 4018 | — | Yes |
| 978-820 | HUBBARDSTN | 4018 | — | Yes |
| 978-841 | MAYNARD | 4018 | — | Yes |
| 978-842 | GROTON | 4018 | — | Yes |
| 978-843 | STERLING | 4018 | — | Yes |
| 978-845 | NO READING | 4018 | — | Yes |
| 978-864 | W NEWBURY | 4018 | — | Yes |
| 978-865 | GLOUCESTER | 4018 | — | Yes |
| 978-878 | FITCHBURG | 4018 | — | Yes |
| 978-882 | DANVERS | 4018 | — | Yes |
| 978-890 | ESSEX | 4018 | 2001-10-26 | Yes |
| 978-894 | TEMPLETON | 4018 | 2001-10-30 | Yes |
| 978-903 | ROWLEY | 4018 | 2001-12-31 | Yes |
| 978-910 | SALEM | 4018 | 2001-10-30 | Yes |
| 978-919 | GARDNER | 4018 | — | Yes |
| 978-925 | PEPPERELL | 4018 | 2002-01-07 | Yes |
| 978-935 | LOWELL | 4018 | — | Yes |
| 978-938 | MAYNARD | 4018 | 2001-04-11 | Yes |
| 978-947 | BILLERICA | 4018 | — | Yes |
| 978-951 | LITTLETON | 4018 | 2001-10-26 | Yes |
| 978-956 | FITCHBURG | 4018 | 2001-10-26 | Yes |
| 978-961 | NEWBURYPT | 4018 | 2001-10-30 | Yes |
| 978-965 | LAWRENCE | 4018 | — | Yes |
| 978-986 | TOPSFIELD | 4018 | — | Yes |
| 978-991 | GARDNER | 4018 | — | Yes |
| 978-992 | NEWBURYPT | 4018 | — | Yes |
| 978-993 | BEVERLY | 4018 | — | 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.