TC SYSTEMS, INC.
39 prefixes in 978 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 978-218 | SUDBURY | 7135 | — | Yes |
| 978-226 | TYNGSBORO | 7135 | — | Yes |
| 978-227 | LEOMINSTER | 7135 | — | Yes |
| 978-241 | HAVERHILL | 7135 | — | Yes |
| 978-310 | HUDSON | 7135 | — | Yes |
| 978-313 | BILLERICA | 7135 | — | Yes |
| 978-326 | PEABODY | 7135 | — | Yes |
| 978-328 | LOWELL | 7135 | — | Yes |
| 978-358 | NEWBURYPT | 7135 | — | Yes |
| 978-384 | MERRIMAC | 7135 | — | Yes |
| 978-402 | CONCORD | 7135 | — | Yes |
| 978-421 | LOWELL | 7135 | — | Yes |
| 978-424 | FITCHBURG | 7135 | — | Yes |
| 978-487 | AYER | 7135 | — | Yes |
| 978-498 | SALEM | 7135 | — | Yes |
| 978-503 | FITCHBURG | 7135 | — | Yes |
| 978-523 | TOWNSEND | 7135 | — | Yes |
| 978-539 | DANVERS | 7135 | — | Yes |
| 978-548 | PEABODY | 7135 | — | Yes |
| 978-552 | LAWRENCE | 7135 | — | Yes |
| 978-559 | GLOUCESTER | 7135 | — | Yes |
| 978-570 | WILMINGTON | 7135 | — | Yes |
| 978-614 | LOWELL | 7135 | — | Yes |
| 978-645 | LAWRENCE | 7135 | — | Yes |
| 978-677 | LOWELL | 7135 | — | Yes |
| 978-698 | LITTLETON | 7135 | — | Yes |
| 978-720 | BEVERLY | 7135 | — | Yes |
| 978-730 | GARDNER | 7135 | — | Yes |
| 978-732 | GROTON | 7135 | — | Yes |
| 978-753 | WILMINGTON | 7135 | — | Yes |
| 978-765 | CLINTON | 7135 | — | Yes |
| 978-778 | BEVERLY | 7135 | — | Yes |
| 978-792 | AMESBURY | 7135 | — | Yes |
| 978-795 | ACTON | 7135 | — | Yes |
| 978-805 | LOWELL | 7135 | — | Yes |
| 978-889 | MAYNARD | 7135 | — | Yes |
| 978-933 | ANDOVER | 7135 | — | Yes |
| 978-942 | LOWELL | 7135 | 2011-09-07 | Yes |
| 978-955 | LOWELL | 7135 | 2016-01-29 | 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.