All assignees
531 prefixes in 660 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 660-950 | — | — | ||
| 660-951 | SEDALIA | 993E | 2014-12-24 | Yes |
| 660-952 | CHILHOWEE | 4932 | 2004-12-30 | Yes |
| 660-953 | PRINCETON | 5814 | 2005-08-29 | Yes |
| 660-954 | GALLATIN | 1885 | 2015-06-17 | Yes |
| 660-955 | DEEPWATER | 993E | — | Yes |
| 660-956 | KIRKSVILLE | 4932 | 2001-05-10 | Yes |
| 660-958 | — | — | ||
| 660-959 | — | — | ||
| 660-960 | OTTERVILLE | 993E | — | Yes |
| 660-961 | COAL | 993E | 2021-09-13 | Yes |
| 660-963 | LACLEDE | 1885 | — | Yes |
| 660-964 | WAYLAND | 093F | — | Yes |
| 660-968 | — | — | ||
| 660-971 | SEDALIA | 5814 | 2023-04-11 | Yes |
| 660-972 | NELSON | 4932 | — | Yes |
| 660-973 | CHILLICOTH | 5814 | 2004-07-13 | Yes |
| 660-974 | COLE CAMP | 993E | — | Yes |
| 660-975 | LA MONTE | 093F | — | Yes |
| 660-976 | XXXXXXXXXX | MULT | — | — |
| 660-977 | BUNCETON | 4932 | — | Yes |
| 660-978 | PILOTGROVE | 4932 | — | Yes |
| 660-984 | WESTBORO | 4401 | — | — |
| 660-986 | PARNELL | 1888 | — | — |
| 660-987 | WINDSOR | 093F | — | Yes |
| 660-988 | KIRKSVILLE | 5814 | 2004-09-20 | Yes |
| 660-992 | BLACKBURN | 4932 | 2004-05-17 | Yes |
| 660-993 | WATSON | 1942 | — | — |
| 660-994 | EDINA | 145J | — | Yes |
| 660-998 | MOBERLY | 6534 | 2004-08-04 | Yes |
| 660-999 | CHILLICOTH | 073H | 2017-03-08 | 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.