SOUTHWESTERN BELL
149 prefixes in 620 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 620-705 | WINFIELD | 9533 | 2001-06-08 | Yes |
| 620-709 | COFFEYVL | 9533 | 2001-06-08 | Yes |
| 620-710 | SEDAN | 9533 | 2001-06-08 | Yes |
| 620-716 | NEODESHA | 9533 | 2001-06-08 | Yes |
| 620-723 | GREENSBURG | 9533 | — | Yes |
| 620-725 | SEDAN | 9533 | — | Yes |
| 620-726 | BURNS | 9533 | — | Yes |
| 620-727 | HUTCHINSON | 9533 | — | — |
| 620-728 | HUTCHINSON | 9533 | — | — |
| 620-736 | SEVERY | 9533 | — | Yes |
| 620-741 | ARKANSASCY | 9533 | — | Yes |
| 620-758 | CEDAR VALE | 9533 | — | Yes |
| 620-765 | GARDENCITY | 9533 | 2002-05-09 | Yes |
| 620-768 | FORT SCOTT | 9533 | — | Yes |
| 620-770 | PRATT | 9533 | — | Yes |
| 620-786 | GREAT BEND | 9533 | — | — |
| 620-791 | GREAT BEND | 9533 | — | Yes |
| 620-792 | GREAT BEND | 9533 | — | — |
| 620-793 | GREAT BEND | 9533 | — | — |
| 620-801 | DODGE CITY | 9533 | — | Yes |
| 620-802 | HUTCHINSON | 9533 | — | Yes |
| 620-803 | EMPORIA | 9533 | — | Yes |
| 620-805 | GARDENCITY | 9533 | — | Yes |
| 620-820 | PARSONS | 9533 | — | Yes |
| 620-826 | BUCKLIN | 9533 | — | Yes |
| 620-840 | HARPER | 9533 | 2001-06-11 | Yes |
| 620-842 | ANTHONY | 9533 | — | Yes |
| 620-872 | SCOTT CITY | 9533 | — | Yes |
| 620-873 | MEADE | 9533 | — | Yes |
| 620-874 | SCOTT CITY | 9533 | — | Yes |
| 620-878 | FLORENCE | 9533 | — | Yes |
| 620-879 | CANEY | 9533 | — | Yes |
| 620-885 | MINNEOLA | 9533 | — | Yes |
| 620-886 | MEDICNLODG | 9533 | — | Yes |
| 620-887 | MEDICNLODG | 9533 | — | Yes |
| 620-896 | HARPER | 9533 | — | Yes |
| 620-901 | IOLA | 9533 | 2001-06-08 | Yes |
| 620-902 | CHANUTE | 9533 | 2001-06-08 | Yes |
| 620-908 | CANEY | 9533 | 2001-06-08 | Yes |
| 620-909 | SCOTT CITY | 9533 | 2001-06-08 | Yes |
| 620-912 | ERIE | 9533 | 2001-06-08 | Yes |
| 620-921 | HUTCHINSON | 9533 | — | Yes |
| 620-931 | HUTCHINSON | 9533 | — | Yes |
| 620-938 | CHASE | 9533 | — | Yes |
| 620-948 | COFFEYVL | 9533 | — | Yes |
| 620-968 | WELLINGTON | 9533 | — | Yes |
| 620-979 | TREECE | 9533 | 2001-07-11 | Yes |
| 620-982 | PAWNEEROCK | 9533 | — | Yes |
| 620-983 | PEABODY | 9533 | — | 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.