TC SYSTEMS, INC.
16 prefixes in 413 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 413-225 | NORTHFIELD | 7135 | — | Yes |
| 413-231 | SPRINGFLD | 7135 | — | Yes |
| 413-240 | CHICOPEE | 7135 | — | Yes |
| 413-275 | HOLYOKE | 7135 | — | Yes |
| 413-305 | SOUTHWICK | 7135 | 2019-03-26 | Yes |
| 413-325 | GREENFIELD | 7135 | — | Yes |
| 413-350 | SO DEERFLD | 7135 | 2009-05-15 | Yes |
| 413-429 | GREATBNGTN | 7135 | — | Yes |
| 413-449 | PITTSFIELD | 7135 | — | Yes |
| 413-475 | GREENFIELD | 7135 | — | Yes |
| 413-504 | SPRINGFLD | 7135 | — | Yes |
| 413-559 | AMHRSTFKLN | 7135 | — | Yes |
| 413-579 | WESTFIELD | 7135 | — | Yes |
| 413-588 | NORTHAMPTN | 7135 | — | Yes |
| 413-631 | LUDLOW | 7135 | — | Yes |
| 413-672 | NORTHADAMS | 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.