All assignees
771 prefixes in 440 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 440-918 | WILLOUGHBY | 9321 | — | — |
| 440-919 | HILLCREST | 829J | — | Yes |
| 440-920 | WILLOUGHBY | 6534 | 2025-03-31 | Yes |
| 440-921 | LORAIN | 6534 | 2025-09-04 | Yes |
| 440-922 | BRECKSVL | 7443 | — | Yes |
| 440-924 | HILLCREST | 7443 | 2026-01-14 | Yes |
| 440-925 | TRINITY | 7443 | — | Yes |
| 440-926 | GRAFTON | 0615 | — | Yes |
| 440-927 | NOBLOOMFLD | 516J | 2022-02-16 | Yes |
| 440-928 | CONNEAUT | 516J | 2022-02-23 | Yes |
| 440-929 | BEREA | 073H | 2017-03-07 | Yes |
| 440-930 | AVON LAKE | 0630 | — | — |
| 440-932 | HILLCREST | 7443 | 2017-04-12 | Yes |
| 440-933 | AVON LAKE | 0630 | — | — |
| 440-934 | AVON | 0630 | — | — |
| 440-935 | OBERLIN | 6025 | — | Yes |
| 440-937 | AVON | 0630 | — | Yes |
| 440-940 | GATESMILLS | 4863 | — | Yes |
| 440-941 | CLEVELAND | 001F | 2008-05-28 | Yes |
| 440-942 | WILLOUGHBY | 9321 | — | — |
| 440-943 | WICKLIFFE | 9321 | — | — |
| 440-944 | WICKLIFFE | 9321 | — | — |
| 440-945 | BEDFORD | 4863 | — | Yes |
| 440-946 | WILLOUGHBY | 9321 | — | — |
| 440-947 | HILLCREST | 7443 | — | Yes |
| 440-949 | LORAIN | 0630 | — | Yes |
| 440-950 | — | — | ||
| 440-951 | WILLOUGHBY | 9321 | — | — |
| 440-953 | WILLOUGHBY | 9321 | — | — |
| 440-954 | WILLOUGHBY | 9321 | — | Yes |
| 440-955 | BAINBRIDGE | 965H | 2021-08-03 | Yes |
| 440-958 | — | — | ||
| 440-959 | — | — | ||
| 440-960 | LORAIN | 0630 | — | — |
| 440-961 | AVON LAKE | 793K | 2011-03-13 | Yes |
| 440-962 | TRINITY | 9321 | — | — |
| 440-963 | VERMILION | 0630 | — | Yes |
| 440-964 | ASHTABULA | 0666 | — | — |
| 440-965 | BIRMINGHAM | 0630 | — | Yes |
| 440-966 | STRONGSVL | 965H | 2021-08-03 | Yes |
| 440-967 | VERMILION | 0630 | — | — |
| 440-968 | MONTVILLE | 0666 | — | Yes |
| 440-969 | ASHTABULA | 0666 | — | Yes |
| 440-970 | BURTON | 464C | 2016-03-01 | Yes |
| 440-971 | BEREA | 4863 | — | Yes |
| 440-972 | BRECKSVL | 4863 | — | Yes |
| 440-973 | BEREA | 4863 | — | Yes |
| 440-974 | MENTOR | 9321 | — | — |
| 440-975 | WILLOUGHBY | 9321 | — | Yes |
| 440-976 | — | — | ||
| 440-977 | WINDSOR | 516J | 2022-02-17 | Yes |
| 440-979 | TRINITY | 9321 | — | — |
| 440-980 | WILLOUGHBY | 6630 | — | — |
| 440-982 | ASHTABULA | 6529 | 2025-08-12 | Yes |
| 440-983 | MADISON | 6529 | 2002-04-08 | Yes |
| 440-984 | AMHERST | 0630 | — | Yes |
| 440-985 | AMHERST | 0630 | — | Yes |
| 440-986 | AMHERST | 0630 | — | Yes |
| 440-987 | WELLINGTON | 4863 | 2006-05-30 | Yes |
| 440-988 | AMHERST | 0630 | — | — |
| 440-989 | LORAIN | 0630 | — | Yes |
| 440-990 | ASHTABULA | 032H | 2013-06-18 | Yes |
| 440-991 | CHAGRINFLS | 4863 | — | Yes |
| 440-992 | ASHTABULA | 0666 | — | — |
| 440-993 | ASHTABULA | 0666 | — | — |
| 440-994 | ASHTABULA | 0666 | — | Yes |
| 440-995 | HILLCREST | 9321 | — | Yes |
| 440-996 | CHAGRINFLS | 4863 | — | Yes |
| 440-997 | ASHTABULA | 0666 | — | — |
| 440-998 | ASHTABULA | 0666 | — | — |
| 440-999 | CHAGRINFLS | 464C | 2015-03-25 | 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.