TC SYSTEMS, INC.
57 prefixes in 781 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 781-202 | BURLINGTON | 7135 | — | Yes |
| 781-205 | READING | 7135 | — | Yes |
| 781-216 | WALTHAM | 7135 | — | Yes |
| 781-218 | WINCHESTER | 7135 | — | Yes |
| 781-225 | LEXINGTON | 7135 | 2010-03-04 | Yes |
| 781-266 | LEXINGTON | 7135 | — | Yes |
| 781-285 | DUXBURY | 7135 | — | Yes |
| 781-298 | CANTON | 7135 | — | Yes |
| 781-302 | CANTON | 7135 | — | Yes |
| 781-350 | MEDFORD | 7135 | — | Yes |
| 781-364 | CANTON | 7135 | — | Yes |
| 781-370 | WALTHAM | 7135 | — | — |
| 781-375 | DEDHAM | 7135 | — | Yes |
| 781-406 | LYNNFIELD | 7135 | — | Yes |
| 781-417 | SAUGUS | 7135 | — | Yes |
| 781-423 | ROCKLAND | 7135 | — | Yes |
| 781-429 | NEEDHAM | 7135 | — | Yes |
| 781-430 | LEXINGTON | 7135 | — | Yes |
| 781-434 | WALTHAM | 7135 | — | Yes |
| 781-443 | ARLINGTON | 7135 | — | Yes |
| 781-451 | WAKEFIELD | 7135 | — | Yes |
| 781-462 | MELROSE | 7135 | — | Yes |
| 781-464 | WALTHAM | 7135 | — | Yes |
| 781-471 | DEDHAM | 7135 | — | Yes |
| 781-472 | WALTHAM | 7135 | — | Yes |
| 781-482 | LEXINGTON | 7135 | — | Yes |
| 781-499 | HANOVER | 7135 | — | Yes |
| 781-527 | COHASSET | 7135 | — | Yes |
| 781-530 | WALTHAM | 7135 | — | Yes |
| 781-534 | WEYMOUTH | 7135 | — | Yes |
| 781-537 | WOBURN | 7135 | — | Yes |
| 781-556 | HINGHAM | 7135 | — | Yes |
| 781-557 | WAKEFIELD | 7135 | — | Yes |
| 781-560 | REVERE | 7135 | — | Yes |
| 781-565 | BURLINGTON | 7135 | — | Yes |
| 781-584 | LYNN | 7135 | — | Yes |
| 781-594 | LYNN | 7135 | — | — |
| 781-607 | RANDOLPH | 7135 | — | Yes |
| 781-612 | CANTON | 7135 | 2021-02-12 | Yes |
| 781-635 | NORWELL | 7135 | — | Yes |
| 781-638 | WOBURN | 7135 | — | Yes |
| 781-653 | BURLINGTON | 7135 | — | Yes |
| 781-678 | HULL | 7135 | 2021-05-26 | Yes |
| 781-680 | NORWOOD | 7135 | — | Yes |
| 781-685 | BURLINGTON | 7135 | — | Yes |
| 781-707 | NEEDHAM | 7135 | — | Yes |
| 781-754 | BRYANTVL | 7135 | — | Yes |
| 781-763 | ROCKLAND | 7135 | — | Yes |
| 781-817 | BRAINTREE | 7135 | — | Yes |
| 781-835 | STONEHAM | 7135 | — | Yes |
| 781-847 | STOUGHTON | 7135 | — | Yes |
| 781-869 | LEXINGTON | 7135 | — | Yes |
| 781-870 | MALDEN | 7135 | — | Yes |
| 781-918 | LEXINGTON | 7135 | 2005-03-18 | Yes |
| 781-943 | WELLESLEY | 7135 | — | Yes |
| 781-952 | BRAINTREE | 7135 | — | Yes |
| 781-994 | WOBURN | 7135 | — | 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.