All assignees
719 prefixes in 620 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 620-966 | HUTCHINSON | 145J | 2002-02-06 | Yes |
| 620-967 | BLUFF CITY | 1788 | — | — |
| 620-968 | WELLINGTON | 9533 | — | Yes |
| 620-969 | MAPLETON | 516J | 2022-03-01 | Yes |
| 620-976 | XXXXXXXXXX | MULT | — | — |
| 620-977 | MINNEOLA | 965H | 2020-06-30 | Yes |
| 620-979 | TREECE | 9533 | 2001-07-11 | Yes |
| 620-982 | PAWNEEROCK | 9533 | — | Yes |
| 620-983 | PEABODY | 9533 | — | Yes |
| 620-984 | WALDRON | 1788 | — | — |
| 620-986 | ROCK | 1847 | — | — |
| 620-988 | COFFEYVL | 6534 | 2001-10-04 | Yes |
| 620-989 | MURDOCK | 516J | 2022-03-03 | Yes |
| 620-992 | CLAFLIN | 122D | 2005-09-14 | Yes |
| 620-995 | BELPRE | 1810 | — | Yes |
| 620-996 | HOISINGTON | 516J | 2022-02-24 | Yes |
| 620-997 | SEVERY | 516J | 2022-03-09 | Yes |
| 620-998 | NICKERSON | 516J | 2022-03-04 | Yes |
| 620-999 | ALTOONA | 145J | 2018-12-24 | 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.