All assignees
800 prefixes in 720 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 720-900 | DENVER | 278F | 2014-10-07 | Yes |
| 720-901 | DENVER | 073H | 2021-11-17 | Yes |
| 720-902 | DENVER | 6567 | 2019-05-01 | Yes |
| 720-903 | DENVER | 6118 | — | Yes |
| 720-904 | DENVER | 9636 | — | — |
| 720-905 | DENVER | 598J | 2022-01-26 | Yes |
| 720-906 | BYERS | 318J | 2021-12-03 | Yes |
| 720-907 | DENVER | 6118 | — | Yes |
| 720-908 | DENVER | 6567 | 2017-05-15 | Yes |
| 720-909 | DENVER | 078F | — | Yes |
| 720-910 | DENVER | 6567 | 2022-03-25 | Yes |
| 720-911 | XXXXXXXXXX | MULT | — | — |
| 720-912 | DENVER | 026D | 2020-10-05 | Yes |
| 720-913 | DENVER | 6118 | — | — |
| 720-914 | FORTLUPTON | 6529 | 2024-01-16 | Yes |
| 720-915 | ALLNSPKLYN | 197D | 2022-06-24 | Yes |
| 720-916 | DENVER | 6567 | 2022-07-06 | Yes |
| 720-917 | DENVER | 9636 | — | Yes |
| 720-918 | KEENESBURG | 197D | 2022-06-24 | Yes |
| 720-919 | DENVER | 6529 | 2016-08-23 | Yes |
| 720-920 | DENVER | 7378 | — | Yes |
| 720-921 | DENVER | 6118 | — | Yes |
| 720-922 | DENVER | 9636 | — | — |
| 720-923 | DENVER | 181J | 2018-08-22 | Yes |
| 720-924 | DECKERS | 9636 | — | Yes |
| 720-925 | DENVER | 318J | 2015-12-18 | Yes |
| 720-926 | DENVER | 6567 | 2018-06-14 | Yes |
| 720-927 | LONGMONT | 078F | 2019-03-27 | Yes |
| 720-928 | FORTLUPTON | 078F | 2018-05-15 | Yes |
| 720-929 | DENVER | 9636 | — | Yes |
| 720-930 | DENVER | 6567 | 2015-08-27 | Yes |
| 720-931 | DENVER | 9636 | — | — |
| 720-932 | DENVER | 9636 | — | — |
| 720-933 | DENVER | 6529 | — | — |
| 720-934 | DENVER | 6529 | — | — |
| 720-935 | DENVER | 6529 | — | — |
| 720-936 | DENVER | 6529 | — | — |
| 720-937 | DENVER | 6529 | — | — |
| 720-938 | DENVER | 6529 | — | — |
| 720-939 | DENVER | 6529 | — | — |
| 720-940 | DENVER | 6529 | — | Yes |
| 720-941 | DENVER | 9636 | — | — |
| 720-942 | DENVER | 9636 | — | — |
| 720-943 | DENVER | 6118 | — | Yes |
| 720-944 | DENVER | 9636 | — | — |
| 720-945 | DENVER | 9636 | — | Yes |
| 720-946 | DENVER | 9636 | — | — |
| 720-947 | DENVER | 9636 | — | Yes |
| 720-948 | DENVER | 6567 | 2022-06-22 | Yes |
| 720-949 | DENVER | 7378 | — | Yes |
| 720-950 | — | — | ||
| 720-951 | DENVER | 6567 | — | Yes |
| 720-952 | DECKERS | 197D | 2022-06-24 | Yes |
| 720-953 | DENVER | 6529 | 2022-07-21 | Yes |
| 720-954 | FORTLUPTON | 6567 | 2022-09-16 | Yes |
| 720-955 | DENVER | 6567 | 2015-07-09 | Yes |
| 720-956 | DENVER | 9636 | — | — |
| 720-957 | DENVER | 6529 | 2022-01-27 | Yes |
| 720-958 | — | — | ||
| 720-959 | — | — | ||
| 720-960 | DENVER | 6010 | 2022-08-17 | Yes |
| 720-961 | DENVER | 6118 | — | Yes |
| 720-962 | DENVER | 9636 | — | — |
| 720-963 | DENVER | 9636 | — | — |
| 720-964 | LONGMONT | 6529 | 2022-09-20 | Yes |
| 720-965 | DENVER | 6529 | 2013-06-07 | Yes |
| 720-966 | FORTLUPTON | 6010 | 2014-10-02 | Yes |
| 720-967 | DENVER | 616J | 2022-09-21 | Yes |
| 720-968 | DENVER | 6010 | 2022-08-17 | Yes |
| 720-969 | DENVER | 6010 | 2022-10-18 | Yes |
| 720-970 | LONGMONT | 078F | 2024-04-03 | Yes |
| 720-971 | DENVER | 6529 | — | Yes |
| 720-972 | DENVER | 9636 | 2002-04-23 | — |
| 720-973 | DENVER | 436J | 2023-03-06 | Yes |
| 720-974 | DENVER | 3467 | — | Yes |
| 720-975 | DENVER | 3467 | — | Yes |
| 720-976 | — | — | ||
| 720-977 | DENVER | 9636 | — | — |
| 720-978 | DENVER | 732J | 2022-11-15 | Yes |
| 720-979 | DENVER | 6529 | — | Yes |
| 720-980 | DENVER | 6529 | — | Yes |
| 720-981 | DENVER | 9636 | — | — |
| 720-982 | DENVER | 6529 | — | Yes |
| 720-983 | DENVER | 6010 | 2023-05-25 | Yes |
| 720-984 | DENVER | 6529 | — | Yes |
| 720-985 | DENVER | 6529 | — | Yes |
| 720-986 | LONGMONT | 078F | 2022-10-18 | Yes |
| 720-987 | DENVER | 6529 | — | Yes |
| 720-988 | DENVER | 6529 | — | Yes |
| 720-989 | DENVER | 6529 | — | Yes |
| 720-990 | DENVER | 4574 | 2015-07-21 | Yes |
| 720-991 | DECKERS | 939H | 2022-10-05 | Yes |
| 720-992 | DENVER | 7378 | 2018-01-11 | Yes |
| 720-993 | DENVER | 6010 | 2022-10-18 | Yes |
| 720-994 | DENVER | 6529 | 2022-11-23 | Yes |
| 720-995 | DENVER | 839J | 2022-12-28 | Yes |
| 720-996 | DENVER | 939H | 2017-03-15 | Yes |
| 720-997 | BENNETT | 318J | 2022-03-25 | Yes |
| 720-998 | DENVER | 318J | 2006-12-01 | Yes |
| 720-999 | DENVER | 6529 | 2008-07-22 | 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.