All assignees
629 prefixes in 401 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 401-757 | CENTREDALE | 7229 | — | Yes |
| 401-758 | PROVIDENCE | 883K | 2026-03-27 | Yes |
| 401-762 | WOONSOCKET | 9102 | — | — |
| 401-763 | WOONSOCKET | 9102 | — | Yes |
| 401-764 | SCITUATE | 318J | — | Yes |
| 401-765 | WOONSOCKET | 9102 | — | Yes |
| 401-766 | WOONSOCKET | 9102 | — | — |
| 401-767 | WOONSOCKET | 9102 | — | Yes |
| 401-768 | WOONSOCKET | 9102 | — | Yes |
| 401-769 | WOONSOCKET | 9102 | — | — |
| 401-770 | WOONSOCKET | 9102 | — | — |
| 401-771 | PROVIDENCE | 343H | 2015-12-07 | Yes |
| 401-772 | WOONSOCKET | 9102 | 2001-06-04 | — |
| 401-773 | WARWICK | 7229 | — | Yes |
| 401-774 | — | — | ||
| 401-775 | WOONSOCKET | 829J | — | Yes |
| 401-776 | PROVIDENCE | 9102 | — | — |
| 401-777 | LTLCOMPTON | 829J | — | Yes |
| 401-780 | PROVIDENCE | 9102 | — | Yes |
| 401-781 | PROVIDENCE | 9102 | — | — |
| 401-782 | NARRAGNSTT | 9102 | — | Yes |
| 401-783 | NARRAGNSTT | 9102 | — | — |
| 401-784 | PROVIDENCE | 9102 | — | — |
| 401-785 | PROVIDENCE | 9102 | — | Yes |
| 401-786 | PROVIDENCE | 9102 | — | Yes |
| 401-787 | PROVIDENCE | 9102 | — | Yes |
| 401-788 | NARRAGNSTT | 9102 | — | — |
| 401-789 | NARRAGNSTT | 9102 | — | — |
| 401-792 | NARRAGNSTT | 9102 | — | Yes |
| 401-793 | PROVIDENCE | 7229 | — | Yes |
| 401-795 | NARRAGNSTT | 4016 | — | Yes |
| 401-799 | PROVIDENCE | 321J | 2018-12-18 | Yes |
| 401-800 | BLOCK IS | 977E | 2017-09-27 | Yes |
| 401-804 | PASCOAG | 977E | — | — |
| 401-808 | PROVIDENCE | 6389 | 2006-03-01 | Yes |
| 401-811 | XXXXXXXXXX | MULT | — | — |
| 401-812 | SCITUATE | 977E | — | — |
| 401-814 | PROVIDENCE | 9102 | — | — |
| 401-816 | TIVERTON | 318J | — | Yes |
| 401-821 | W WARWICK | 9102 | — | — |
| 401-822 | W WARWICK | 9102 | — | — |
| 401-823 | W WARWICK | 9102 | — | Yes |
| 401-824 | PROVIDENCE | 7351 | — | Yes |
| 401-825 | W WARWICK | 9102 | — | Yes |
| 401-826 | W WARWICK | 9102 | — | Yes |
| 401-827 | W WARWICK | 9102 | — | Yes |
| 401-828 | W WARWICK | 9102 | — | — |
| 401-829 | PROVIDENCE | 4016 | — | Yes |
| 401-830 | CENTREDALE | 4016 | — | Yes |
| 401-831 | PROVIDENCE | 9102 | — | — |
| 401-832 | NEWPORT | 9102 | — | — |
| 401-834 | PAWTUCKET | 829J | — | Yes |
| 401-835 | PORTSMOUTH | 4036 | — | Yes |
| 401-837 | PROVIDENCE | 6889 | — | — |
| 401-840 | XXXXXXXXXX | 9102 | — | — |
| 401-841 | NEWPORT | 9102 | — | — |
| 401-842 | NEWPORT | 9102 | — | — |
| 401-843 | NEWPORT | 9102 | — | Yes |
| 401-844 | XXXXXXXXXX | MULT | — | — |
| 401-845 | NEWPORT | 9102 | — | — |
| 401-846 | NEWPORT | 9102 | — | — |
| 401-847 | NEWPORT | 9102 | — | — |
| 401-848 | NEWPORT | 9102 | — | — |
| 401-849 | NEWPORT | 9102 | — | — |
| 401-851 | NEWPORT | 9102 | — | Yes |
| 401-854 | PROVIDENCE | 7229 | — | Yes |
| 401-855 | NEWPORT | 6889 | — | Yes |
| 401-856 | NEWPORT | 7229 | — | Yes |
| 401-858 | TIVERTON | 977E | — | Yes |
| 401-859 | BLOCK IS | 4016 | 2001-04-19 | Yes |
| 401-860 | — | — | ||
| 401-861 | PROVIDENCE | 9102 | — | — |
| 401-862 | PROVIDENCE | 6389 | — | — |
| 401-863 | PROVIDENCE | 9102 | — | Yes |
| 401-864 | PROVIDENCE | 6389 | — | — |
| 401-865 | PROVIDENCE | 9102 | — | Yes |
| 401-867 | PROVIDENCE | 9102 | — | Yes |
| 401-868 | PROVIDENCE | 9102 | — | Yes |
| 401-871 | PROVIDENCE | 6389 | 2009-07-06 | Yes |
| 401-872 | WOONSOCKET | 003F | — | — |
| 401-874 | NARRAGNSTT | 9102 | — | Yes |
| 401-884 | GREENWICH | 9102 | — | — |
| 401-885 | GREENWICH | 9102 | — | — |
| 401-886 | GREENWICH | 9102 | — | — |
| 401-888 | XXXXXXXXXX | 9102 | — | — |
| 401-889 | WARWICK | 4016 | — | Yes |
| 401-895 | PROVIDENCE | 506J | 2020-10-19 | Yes |
| 401-896 | WGLOCESTER | 977E | — | — |
| 401-900 | PROVIDENCE | 145J | 2018-12-18 | Yes |
| 401-903 | WARREN | 4016 | — | Yes |
| 401-910 | PROVIDENCE | 977E | 2021-04-08 | Yes |
| 401-911 | XXXXXXXXXX | MULT | — | — |
| 401-919 | PROVIDENCE | 6889 | 2006-06-20 | Yes |
| 401-920 | PROVIDENCE | 9102 | — | — |
| 401-921 | WARWICK | 318J | — | Yes |
| 401-922 | W WARWICK | 977E | — | — |
| 401-924 | PORTSMOUTH | 4036 | — | Yes |
| 401-932 | NARRAGNSTT | 4036 | — | — |
| 401-933 | PROVIDENCE | 6630 | — | — |
| 401-934 | SCITUATE | 9102 | — | 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.