All assignees
629 prefixes in 401 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 401-935 | PROVIDENCE | 4036 | — | — |
| 401-937 | WOONSOCKET | 631G | — | Yes |
| 401-938 | PROVIDENCE | 6630 | — | — |
| 401-940 | — | — | ||
| 401-941 | PROVIDENCE | 9102 | — | — |
| 401-942 | PROVIDENCE | 9102 | — | — |
| 401-943 | PROVIDENCE | 9102 | — | — |
| 401-944 | PROVIDENCE | 9102 | — | — |
| 401-946 | PROVIDENCE | 9102 | — | — |
| 401-949 | CENTREDALE | 9102 | — | Yes |
| 401-950 | — | — | ||
| 401-952 | PROVIDENCE | 5562 | — | Yes |
| 401-954 | PROVIDENCE | 5562 | — | Yes |
| 401-955 | PAWTUCKET | 965H | 2020-07-24 | Yes |
| 401-958 | — | — | ||
| 401-959 | — | — | ||
| 401-960 | XXXXXXXXXX | 9102 | — | — |
| 401-965 | PROVIDENCE | 4036 | 2001-04-17 | — |
| 401-968 | WGLOCESTER | 9102 | — | Yes |
| 401-970 | XXXXXXXXXX | 9102 | — | — |
| 401-976 | — | — | ||
| 401-986 | XXXXXXXXXX | 9102 | — | — |
| 401-987 | XXXXXXXXXX | 9102 | — | — |
| 401-988 | — | — | ||
| 401-990 | W WARWICK | 939H | 2023-04-03 | Yes |
| 401-992 | WGLOCESTER | 318J | — | Yes |
| 401-996 | PROVIDENCE | 6889 | — | — |
| 401-998 | PAWTUCKET | 4036 | 2024-12-02 | Yes |
| 401-999 | CUMBLND HL | 6889 | 2013-01-30 | 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.