All assignees
531 prefixes in 660 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 660-773 | BEVIER | 1864 | — | — |
| 660-774 | SPEED | 4932 | — | Yes |
| 660-775 | EXCELLO | 1864 | — | — |
| 660-776 | LINCOLN | 093F | — | Yes |
| 660-777 | PRAIRIE HL | 1864 | — | — |
| 660-778 | HOPKINS | 1811 | — | Yes |
| 660-781 | ROCKVILLE | 093F | — | Yes |
| 660-783 | STANBERRY | 9533 | — | Yes |
| 660-784 | GILLIAM | 1917 | — | — |
| 660-785 | KIRKSVILLE | 9533 | — | Yes |
| 660-786 | ALLENDALE | 1885 | — | Yes |
| 660-787 | ROCK PORT | 6534 | — | Yes |
| 660-788 | SHANNONDAL | 5814 | — | — |
| 660-789 | BRIMSON | 1888 | — | — |
| 660-793 | LUCERNE | 1888 | — | — |
| 660-794 | NEWTOWN | 1888 | — | — |
| 660-797 | GREENRIDGE | 4932 | 2004-12-30 | Yes |
| 660-799 | SHERIDAN | 1888 | — | — |
| 660-800 | CHILLICOTH | 965H | 2019-08-01 | Yes |
| 660-808 | URICH | 093F | — | Yes |
| 660-811 | XXXXXXXXXX | MULT | — | — |
| 660-815 | MARSHALL | 6534 | — | Yes |
| 660-816 | DOWNING | 093F | — | Yes |
| 660-822 | ALBANY | 6534 | 2006-06-13 | Yes |
| 660-824 | MT MORIAH | 1888 | — | — |
| 660-825 | ELMER | 1151 | — | Yes |
| 660-826 | SEDALIA | 9533 | — | — |
| 660-827 | SEDALIA | 9533 | — | — |
| 660-828 | JAMESON | 1885 | — | Yes |
| 660-829 | SEDALIA | 9533 | — | Yes |
| 660-831 | MARSHALL | 9533 | — | Yes |
| 660-832 | FOSTER | 1759 | — | — |
| 660-833 | MOBERLY | 4932 | 2002-07-15 | Yes |
| 660-834 | PILOTGROVE | 1917 | — | Yes |
| 660-835 | GREENRIDGE | 093F | — | Yes |
| 660-837 | ARROW ROCK | 1917 | — | Yes |
| 660-838 | SPEED | 1917 | — | Yes |
| 660-839 | WOOLDRIDGE | 9787 | — | Yes |
| 660-841 | PRAIRIHOME | 9787 | — | Yes |
| 660-842 | POWERSVL | 965H | 2020-09-11 | Yes |
| 660-845 | WASHITNCTR | 1888 | — | — |
| 660-846 | BLACKWATER | 1917 | — | Yes |
| 660-847 | CALHOUN | 4932 | 2004-12-30 | Yes |
| 660-848 | NEWFRNKLIN | 9533 | — | Yes |
| 660-849 | JAMESTOWN | 9787 | — | Yes |
| 660-851 | SEDALIA | 792K | 2007-07-06 | Yes |
| 660-852 | MIAMI | 1917 | — | — |
| 660-853 | MARYVILLE | 6701 | 2002-03-20 | Yes |
| 660-855 | BLOMINGTON | 965H | 2020-09-01 | Yes |
| 660-856 | SUMNER | 1885 | — | Yes |
| 660-857 | WINIGAN | 1931 | — | Yes |
| 660-858 | FLORENCE | 1885 | 2016-08-12 | Yes |
| 660-859 | NELSON | 1917 | — | Yes |
| 660-862 | ELMER | 093F | — | Yes |
| 660-863 | CRAIG | 515J | — | Yes |
| 660-864 | WARRENSBG | 6701 | — | Yes |
| 660-865 | BOONVILLE | 6534 | 2016-05-05 | Yes |
| 660-866 | LURAY | 1931 | — | Yes |
| 660-867 | EAGLEVILLE | 1888 | — | — |
| 660-868 | BETHANY | 6534 | 2002-02-05 | Yes |
| 660-869 | CLINTON | 6701 | 2015-06-29 | Yes |
| 660-872 | RIDGEWAY | 1888 | — | — |
| 660-874 | GREEN CITY | 1931 | — | Yes |
| 660-875 | SO LINEVL | 1888 | — | — |
| 660-876 | GILMANCITY | 1888 | — | — |
| 660-877 | ATHENS | 1178 | — | — |
| 660-878 | ANDOVER | 1888 | — | — |
| 660-879 | MARSHALJCT | 1917 | — | Yes |
| 660-882 | BOONVILLE | 9533 | — | Yes |
| 660-883 | TOBINCREEK | 1931 | — | Yes |
| 660-885 | CLINTON | 1811 | — | — |
| 660-886 | MARSHALL | 9533 | — | Yes |
| 660-888 | BOONVILLE | 6534 | — | Yes |
| 660-889 | DEEPWATER | 4932 | 2004-12-30 | Yes |
| 660-890 | CLINTON | 1811 | — | Yes |
| 660-892 | BARING | 1914 | — | — |
| 660-893 | CAINSVILLE | 1888 | — | — |
| 660-895 | LINNEUS | 1888 | — | — |
| 660-898 | CLINTON | 6701 | 2020-12-10 | Yes |
| 660-900 | WARSAW | 965H | 2019-08-01 | Yes |
| 660-906 | SYRACUSE | 4932 | 2004-12-30 | Yes |
| 660-909 | WARRENSBG | 6701 | — | — |
| 660-910 | APPLETONCY | 093F | 2021-02-01 | Yes |
| 660-911 | XXXXXXXXXX | MULT | — | — |
| 660-920 | FAIRFAX | 5814 | — | Yes |
| 660-924 | CLINTON | 6701 | — | Yes |
| 660-925 | AMORET | 1759 | — | — |
| 660-927 | PICKERING | 1811 | — | Yes |
| 660-928 | SKIDMORE | 1929 | — | — |
| 660-933 | OMAHA | 1931 | — | Yes |
| 660-935 | MAITLAND | 1929 | — | — |
| 660-937 | RAVENWOOD | 1888 | — | — |
| 660-938 | MEADVILLE | 1888 | — | — |
| 660-939 | GRAHAM | 1888 | — | — |
| 660-944 | CONCETNJCT | 1888 | — | — |
| 660-945 | ARBELA | 1931 | — | Yes |
| 660-946 | BROWNING | 1888 | — | — |
| 660-947 | UNIONVILLE | 1931 | — | Yes |
| 660-948 | REVERE | 1151 | — | Yes |
| 660-949 | GREENTOP | 1914 | — | — |
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.