All assignees
779 prefixes in 507 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 507-900 | ROCHESTER | 965H | 2019-11-26 | Yes |
| 507-901 | MANKATO | 5816 | 2022-12-01 | Yes |
| 507-902 | MANKATO | 6534 | 2022-12-06 | Yes |
| 507-904 | HAYFIELD | 490J | 2023-01-30 | Yes |
| 507-905 | WINONA | 732J | 2023-02-10 | Yes |
| 507-906 | ROCHESTER | 321J | 2023-03-09 | Yes |
| 507-907 | WELCOME | 184D | 2021-01-28 | Yes |
| 507-908 | MANKATO | 6534 | 2023-04-12 | Yes |
| 507-909 | NICOLLET | 719F | 2023-06-21 | Yes |
| 507-910 | ROCHESTER | 184D | 2021-04-01 | Yes |
| 507-911 | XXXXXXXXXX | MULT | — | — |
| 507-920 | LUVERNE | 5816 | — | Yes |
| 507-921 | ELYSIAN | 184D | 2023-05-04 | Yes |
| 507-922 | SPRING VLY | 719F | 2006-06-13 | Yes |
| 507-923 | ROCHESTER | 4139 | 2009-05-18 | Yes |
| 507-925 | ECHO | 1472 | — | — |
| 507-926 | WILMONT | 1445 | — | Yes |
| 507-927 | FRANKLIN | 719F | 2006-05-22 | Yes |
| 507-928 | KIESTER | 184D | 2006-11-29 | Yes |
| 507-929 | MARSHALL | 4768 | — | — |
| 507-930 | BROWNSDALE | 184D | 2023-05-04 | Yes |
| 507-931 | ST PETER | 9631 | — | — |
| 507-932 | ST CHARLES | 9631 | — | Yes |
| 507-933 | ST PETER | 9631 | — | Yes |
| 507-934 | ST PETER | 184D | — | Yes |
| 507-935 | LUVERNE | 719F | 2006-05-15 | Yes |
| 507-936 | LAKEFIELD | 5256 | 2005-08-11 | Yes |
| 507-937 | CHERRY GRV | 1123 | — | — |
| 507-938 | BELVIEW | 1472 | — | — |
| 507-939 | HOKAH | 719F | 2007-07-26 | Yes |
| 507-940 | HOUSTON | 719F | 2007-07-26 | Yes |
| 507-941 | MADELIA | 318J | 2023-06-28 | Yes |
| 507-942 | ST JAMES | 968D | 2006-05-26 | — |
| 507-943 | ELMORE | 1358 | — | — |
| 507-944 | STEWARTVL | 184D | 2006-09-10 | Yes |
| 507-945 | ROUND LAKE | 1445 | — | Yes |
| 507-946 | MARSHALL | 965H | 2020-04-28 | Yes |
| 507-947 | CAMBRIA | 1427 | — | Yes |
| 507-949 | MANKATO | 6534 | 2023-07-24 | Yes |
| 507-950 | — | — | ||
| 507-951 | ROCHESTER | 5816 | — | — |
| 507-953 | MONTGOMERY | 593K | 2005-02-26 | Yes |
| 507-954 | KILKENNY | 184D | — | Yes |
| 507-955 | MAPLETON | 965H | 2020-10-09 | Yes |
| 507-956 | BUTTERFLD | 1123 | — | — |
| 507-957 | MANKATO | 6534 | 2023-08-09 | Yes |
| 507-958 | — | — | ||
| 507-959 | — | — | ||
| 507-961 | WINONA | 792K | 2006-03-27 | Yes |
| 507-962 | HILLS | 1406 | — | — |
| 507-964 | ARLINGTON | 1367 | — | Yes |
| 507-965 | MANKATO | 184D | 2023-09-11 | Yes |
| 507-966 | MANKATO | 965H | 2020-10-09 | Yes |
| 507-967 | ELLSWORTH | 1367 | — | Yes |
| 507-968 | LE SUEUR | 516J | 2022-02-17 | Yes |
| 507-969 | W CONCORD | 719F | 2006-06-13 | Yes |
| 507-970 | ROCHESTER | 939H | 2022-10-28 | Yes |
| 507-971 | CURRIE | 939H | 2023-09-26 | Yes |
| 507-973 | IONA | 939H | 2023-09-26 | Yes |
| 507-974 | ROCHESTER | 475J | 2023-12-12 | Yes |
| 507-975 | STEWARTVL | 184D | 2022-11-23 | Yes |
| 507-976 | XXXXXXXXXX | MULT | — | — |
| 507-977 | OWATONNA | 5562 | 2006-09-26 | Yes |
| 507-978 | MANKATO | 5816 | 2024-02-01 | Yes |
| 507-979 | ROCHESTER | 7229 | 2024-05-01 | Yes |
| 507-980 | NEW ULM | 5816 | 2025-07-15 | Yes |
| 507-984 | SEAFORTH | 1472 | — | — |
| 507-985 | ST PETER | 9631 | 2008-04-14 | Yes |
| 507-987 | ROCHESTER | 671J | 2026-09-04 | Yes |
| 507-989 | GIBBON | 184D | — | Yes |
| 507-990 | ROCHESTER | 6701 | — | Yes |
| 507-991 | ROCHESTER | 954H | 2025-03-31 | Yes |
| 507-992 | COTTONWOOD | 792K | 2006-08-22 | Yes |
| 507-993 | ROCHESTER | 5816 | 2005-09-12 | — |
| 507-995 | MANKATO | 5816 | 2004-04-07 | — |
| 507-996 | LE CENTER | 516J | 2022-02-16 | Yes |
| 507-997 | TRIMONT | 184D | 2021-01-28 | Yes |
| 507-998 | ELLENDALE | 145J | 2025-06-23 | Yes |
| 507-999 | GAYLORD | 145J | 2018-12-21 | 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.