All assignees
800 prefixes in 646 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 646-900 | NWYRCYZN01 | 997E | 2023-06-26 | Yes |
| 646-901 | NWYRCYZN01 | 6959 | 2017-10-02 | Yes |
| 646-902 | NWYRCYZN01 | 9104 | — | Yes |
| 646-903 | NWYRCYZN01 | 4006 | 2017-10-10 | Yes |
| 646-904 | NWYRCYZN01 | 5562 | 2017-03-09 | Yes |
| 646-905 | NWYRCYZN01 | 829J | 2017-04-10 | Yes |
| 646-906 | NWYRCYZN01 | 6959 | 2018-01-19 | Yes |
| 646-907 | NWYRCYZN01 | 793K | 2018-03-01 | Yes |
| 646-908 | NWYRCYZN01 | 829J | 2018-05-09 | Yes |
| 646-909 | NWYRCYZN01 | 829J | 2017-04-20 | Yes |
| 646-910 | XXXXXXXXXX | 9104 | — | — |
| 646-911 | XXXXXXXXXX | MULT | — | — |
| 646-912 | NWYRCYZN01 | 4036 | 2006-06-28 | Yes |
| 646-913 | NWYRCYZN01 | 829J | 2018-04-10 | Yes |
| 646-914 | NWYRCYZN01 | 624H | 2023-11-15 | Yes |
| 646-915 | NWYRCYZN01 | 7229 | — | Yes |
| 646-916 | NWYRCYZN01 | 7126 | 2018-05-17 | Yes |
| 646-917 | NWYRCYZN01 | 624H | 2023-10-26 | Yes |
| 646-918 | NWYRCYZN01 | 4036 | 2005-01-12 | Yes |
| 646-919 | NWYRCYZN01 | 4036 | — | Yes |
| 646-920 | NWYRCYZN01 | 6622 | — | Yes |
| 646-921 | NWYRCYZN01 | 384C | 2014-11-20 | Yes |
| 646-922 | NWYRCYZN01 | 6622 | — | Yes |
| 646-923 | NWYRCYZN01 | 6959 | 2014-11-13 | Yes |
| 646-924 | NWYRCYZN01 | 7229 | — | Yes |
| 646-925 | NWYRCYZN01 | 6622 | — | Yes |
| 646-926 | NWYRCYZN01 | 997E | 2010-03-04 | Yes |
| 646-927 | NWYRCYZN01 | 7229 | 2014-11-17 | Yes |
| 646-928 | NWYRCYZN01 | 793K | 2014-11-20 | Yes |
| 646-929 | NWYRCYZN01 | 325B | — | Yes |
| 646-930 | NWYRCYZN01 | 384C | 2014-01-10 | Yes |
| 646-931 | NWYRCYZN01 | 7126 | 2015-01-29 | Yes |
| 646-932 | NWYRCYZN01 | 6622 | — | — |
| 646-933 | NWYRCYZN01 | 384C | 2014-11-20 | Yes |
| 646-934 | NWYRCYZN01 | 6622 | — | Yes |
| 646-935 | NWYRCYZN01 | 9104 | — | Yes |
| 646-936 | NWYRCYZN01 | 9104 | — | — |
| 646-937 | NWYRCYZN01 | 6959 | 2011-06-08 | Yes |
| 646-938 | NWYRCYZN01 | 6622 | — | Yes |
| 646-939 | NWYRCYZN01 | 6959 | 2015-09-09 | Yes |
| 646-940 | NWYRCYZN01 | 6959 | 2016-09-23 | Yes |
| 646-941 | NWYRCYZN01 | 473G | 2015-04-29 | Yes |
| 646-942 | NWYRCYZN01 | 6959 | — | Yes |
| 646-943 | NWYRCYZN01 | 4036 | — | Yes |
| 646-944 | NWYRCYZN01 | 6622 | — | Yes |
| 646-945 | NWYRCYZN01 | 6622 | 2008-04-29 | Yes |
| 646-946 | NWYRCYZN01 | 6959 | 2015-09-09 | Yes |
| 646-947 | NWYRCYZN01 | 9104 | 2015-05-20 | Yes |
| 646-948 | NWYRCYZN01 | 744H | 2015-12-18 | Yes |
| 646-949 | NWYRCYZN01 | 939H | 2017-03-23 | Yes |
| 646-950 | — | — | ||
| 646-951 | NWYRCYZN01 | 6959 | 2015-10-02 | Yes |
| 646-952 | NWYRCYZN01 | 793K | — | Yes |
| 646-953 | NWYRCYZN01 | 5562 | 2016-07-14 | Yes |
| 646-954 | NWYRCYZN01 | 7133 | 2016-01-22 | Yes |
| 646-955 | NWYRCYZN01 | 9104 | — | — |
| 646-956 | NWYRCYZN01 | 551G | 2016-08-05 | Yes |
| 646-957 | NWYRCYZN01 | 6959 | 2005-09-19 | Yes |
| 646-958 | — | — | ||
| 646-959 | — | — | ||
| 646-960 | NWYRCYZN01 | 181J | 2018-06-08 | Yes |
| 646-961 | NWYRCYZN01 | 6622 | — | Yes |
| 646-962 | NWYRCYZN01 | 829J | 2004-07-08 | Yes |
| 646-963 | NWYRCYZN01 | 7229 | — | Yes |
| 646-964 | NWYRCYZN01 | 4006 | — | Yes |
| 646-965 | NWYRCYZN01 | 6959 | 2016-07-12 | Yes |
| 646-966 | NWYRCYZN01 | 5562 | — | Yes |
| 646-967 | NWYRCYZN01 | 4006 | 2016-08-22 | Yes |
| 646-968 | NWYRCYZN01 | 363H | 2016-11-04 | Yes |
| 646-969 | NWYRCYZN01 | 4006 | 2018-08-17 | Yes |
| 646-970 | NWYRCYZN01 | 997E | 2019-05-21 | Yes |
| 646-971 | NWYRCYZN01 | 7229 | 2017-01-17 | Yes |
| 646-972 | NWYRCYZN01 | 5562 | 2016-09-23 | Yes |
| 646-973 | NWYRCYZN01 | 829J | 2016-09-08 | Yes |
| 646-974 | NWYRCYZN01 | 997E | 2018-09-17 | Yes |
| 646-975 | NWYRCYZN01 | 829J | 2016-01-15 | Yes |
| 646-976 | XXXXXXXXXX | MULT | — | — |
| 646-977 | NWYRCYZN01 | 6622 | — | Yes |
| 646-978 | NWYRCYZN01 | 6959 | 2018-09-20 | Yes |
| 646-979 | NWYRCYZN01 | 829J | 2014-08-11 | Yes |
| 646-980 | NWYRCYZN01 | 363H | 2018-10-22 | Yes |
| 646-981 | NWYRCYZN01 | 7133 | — | Yes |
| 646-982 | NWYRCYZN01 | 384C | — | Yes |
| 646-983 | NWYRCYZN01 | 6959 | 2017-01-23 | Yes |
| 646-984 | NWYRCYZN01 | 6959 | 2017-12-22 | Yes |
| 646-985 | NWYRCYZN01 | 9104 | — | — |
| 646-986 | NWYRCYZN01 | 5562 | 2017-06-26 | Yes |
| 646-987 | NWYRCYZN01 | 829J | 2018-10-01 | Yes |
| 646-988 | NWYRCYZN01 | 6959 | 2017-06-26 | Yes |
| 646-989 | NWYRCYZN01 | 4006 | 2019-02-15 | Yes |
| 646-990 | NWYRCYZN01 | 4006 | 2019-04-19 | Yes |
| 646-991 | NWYRCYZN01 | 6622 | 2018-10-22 | Yes |
| 646-992 | NWYRCYZN01 | 6959 | 2016-09-23 | Yes |
| 646-993 | NWYRCYZN01 | 4006 | 2019-03-29 | Yes |
| 646-994 | NWYRCYZN01 | 7229 | 2019-01-18 | Yes |
| 646-995 | NWYRCYZN01 | 114J | 2019-02-21 | Yes |
| 646-996 | NWYRCYZN01 | 6622 | 2001-03-12 | Yes |
| 646-997 | NWYRCYZN01 | 9104 | 2002-07-26 | Yes |
| 646-998 | NWYRCYZN01 | 7229 | 2010-03-04 | Yes |
| 646-999 | NWYRCYZN01 | — | — |
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.