All assignees
699 prefixes in 585 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 585-804 | AVON | 384C | 2021-01-27 | Yes |
| 585-805 | EASTAURORA | 9104 | — | Yes |
| 585-806 | OLEAN | 829J | — | Yes |
| 585-808 | WELLSVILLE | 4036 | 2001-05-21 | Yes |
| 585-809 | CANANDAGUA | 384C | 2021-01-27 | Yes |
| 585-811 | XXXXXXXXXX | MULT | — | — |
| 585-812 | LE ROY | 384C | 2021-01-27 | Yes |
| 585-813 | BATAVIA | 9104 | — | Yes |
| 585-815 | BATAVIA | 829J | — | Yes |
| 585-816 | NAPLES | 384C | 2021-01-27 | Yes |
| 585-817 | PAVILION | 384C | 2021-01-27 | Yes |
| 585-818 | PERRY | 384C | 2021-01-27 | Yes |
| 585-819 | SCOTTSVL | 384C | 2021-01-27 | Yes |
| 585-820 | ROCHESTER | 6622 | — | Yes |
| 585-821 | STANLEY | 384C | 2021-01-27 | Yes |
| 585-822 | W WEBSTER | 384C | 2021-01-27 | Yes |
| 585-823 | WARSAW | 384C | 2021-01-27 | Yes |
| 585-824 | WAYLAND | 384C | 2021-01-27 | Yes |
| 585-825 | WEBSTER | 384C | 2021-01-27 | Yes |
| 585-831 | ROCHESTER | 6959 | 2006-10-11 | Yes |
| 585-832 | HENRIETTA | 516J | 2022-02-15 | Yes |
| 585-833 | EROCHESTER | 965H | 2020-10-08 | Yes |
| 585-835 | KENDALL | 624H | 2021-04-13 | Yes |
| 585-837 | BATAVIA | 516J | 2021-04-21 | Yes |
| 585-842 | LYNDONVL | 1215 | 2019-02-14 | Yes |
| 585-844 | FAIRPORT | 965H | 2020-10-08 | Yes |
| 585-851 | ROCHESTER | 629E | 2009-07-23 | Yes |
| 585-853 | ATLANTA | 516J | 2021-04-07 | Yes |
| 585-855 | BOLIVAR | 145J | 2019-03-22 | Yes |
| 585-857 | ROCHESTER | 6959 | 2006-04-14 | Yes |
| 585-858 | BELFAST | 624H | 2021-04-02 | Yes |
| 585-861 | BATAVIA | 4006 | 2005-12-28 | Yes |
| 585-865 | ROCHESTER | 0121 | — | — |
| 585-866 | MIDDLEPORT | 384C | — | Yes |
| 585-867 | ROCHESTER | 939H | 2017-03-29 | Yes |
| 585-868 | VARYSBURG | 624H | 2021-05-14 | Yes |
| 585-869 | VICTOR | 829J | — | Yes |
| 585-872 | WEBSTER | 0121 | — | — |
| 585-873 | CALEDONIA | 516J | 2022-02-04 | Yes |
| 585-875 | CUBA | 624H | 2021-04-02 | Yes |
| 585-877 | ROCHESTER | 145J | 2019-03-22 | Yes |
| 585-880 | ROCHESTER | 6959 | — | — |
| 585-883 | MT MORRIS | 384C | — | Yes |
| 585-885 | ELBA | 624H | 2021-04-02 | Yes |
| 585-887 | LIVONIA | 516J | 2022-01-13 | Yes |
| 585-888 | SCOTTSVL | 629E | 2011-05-27 | Yes |
| 585-889 | SCOTTSVL | 0121 | — | — |
| 585-890 | XXXXXXXXXX | MULT | 2001-11-30 | — |
| 585-895 | ROCHESTER | 506J | 2021-11-22 | Yes |
| 585-899 | EROCHESTER | 0121 | — | Yes |
| 585-900 | CHAFFEE | 384C | — | Yes |
| 585-902 | ALDEN | 4006 | — | Yes |
| 585-905 | CANANDAGUA | 5562 | 2001-12-21 | Yes |
| 585-910 | ROCHESTER | 384C | 2020-12-23 | Yes |
| 585-911 | XXXXXXXXXX | MULT | — | — |
| 585-919 | CANANDAGUA | 829J | — | Yes |
| 585-921 | ROCHESTER | 0121 | — | — |
| 585-922 | ROCHESTER | 0121 | — | — |
| 585-924 | VICTOR | 0121 | — | — |
| 585-928 | BOLIVAR | 9104 | — | Yes |
| 585-933 | OLEAN | 145J | — | Yes |
| 585-935 | ROCHESTER | 0121 | — | Yes |
| 585-936 | ROCHESTER | 0121 | — | — |
| 585-937 | ALDEN | 624H | — | Yes |
| 585-939 | ROCHESTER | 0121 | — | Yes |
| 585-940 | LEICESTER | 1215 | 2019-02-14 | Yes |
| 585-943 | ROCHESTER | 6959 | — | — |
| 585-944 | ROCHESTER | 6959 | — | — |
| 585-946 | AKRON | 965H | 2020-07-08 | Yes |
| 585-948 | OAKFIELD | 9104 | — | Yes |
| 585-950 | — | — | ||
| 585-953 | ROCHESTER | 6959 | 2009-06-09 | Yes |
| 585-955 | ROCHESTER | 0121 | — | Yes |
| 585-956 | XXXXXXXXXX | 0121 | — | — |
| 585-957 | ROCHESTER | 7133 | — | Yes |
| 585-958 | — | — | ||
| 585-959 | XXXXXXXXXX | MULT | — | — |
| 585-964 | HAMLIN | 0121 | — | Yes |
| 585-966 | ROCHESTER | 0121 | — | Yes |
| 585-967 | ROCHESTER | 4036 | — | — |
| 585-968 | CUBA | 9104 | — | Yes |
| 585-969 | PERRY | 4036 | 2002-08-02 | Yes |
| 585-971 | XXXXXXXXXX | 0121 | — | — |
| 585-973 | FRIENDSHIP | 9104 | — | Yes |
| 585-974 | ROCHESTER | 0121 | — | — |
| 585-975 | ROCHESTER | 0121 | — | Yes |
| 585-976 | — | — | ||
| 585-977 | XXXXXXXXXX | 9104 | — | — |
| 585-978 | ROCHESTER | 4036 | — | Yes |
| 585-980 | VICTOR | 671J | 2026-06-16 | Yes |
| 585-981 | OLEAN | 6622 | 2002-08-13 | Yes |
| 585-986 | RUSH | 384C | — | Yes |
| 585-987 | ROCHESTER | 0121 | — | — |
| 585-988 | — | — | ||
| 585-990 | NUNDA | 1215 | 2019-02-14 | Yes |
| 585-991 | GENESEO | 829J | — | Yes |
| 585-993 | BATAVIA | 4036 | — | Yes |
| 585-998 | ROCHESTER | 977K | 2025-04-08 | Yes |
| 585-999 | JAVA | 384C | — | 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.