All assignees
719 prefixes in 620 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 620-601 | PRATT | 6529 | 2022-05-04 | Yes |
| 620-602 | KINGMAN | 6529 | 2022-07-22 | Yes |
| 620-603 | GREAT BEND | 2240 | — | Yes |
| 620-604 | LIBERAL | 2240 | — | Yes |
| 620-605 | PARSONS | 6267 | — | Yes |
| 620-606 | FORT SCOTT | 6529 | 2023-01-11 | Yes |
| 620-607 | FREDONIA | 2240 | 2001-06-21 | Yes |
| 620-608 | NEODESHA | 205F | — | Yes |
| 620-609 | UDALL | 490J | 2023-12-12 | Yes |
| 620-610 | FALL RIVER | 205F | 2020-10-02 | Yes |
| 620-611 | XXXXXXXXXX | MULT | — | — |
| 620-612 | GARDENCITY | 624H | 2025-01-03 | Yes |
| 620-613 | ARKANSASCY | 624H | 2024-03-06 | Yes |
| 620-614 | MACKSVILLE | 2240 | 2001-07-02 | Yes |
| 620-615 | HUTCHINSON | 6532 | 2002-02-13 | Yes |
| 620-616 | GREAT BEND | 122D | 2024-03-07 | Yes |
| 620-617 | GREAT BEND | 6532 | 2002-06-13 | — |
| 620-618 | FORT SCOTT | 612K | 2024-03-21 | Yes |
| 620-619 | PITTSBURG | 8995 | 2024-04-12 | Yes |
| 620-620 | HUTCHINSON | 205F | 2022-09-27 | Yes |
| 620-621 | LIBERAL | 6534 | — | Yes |
| 620-622 | PROTECTION | 9533 | — | Yes |
| 620-623 | HANSTON | 1841 | — | Yes |
| 620-624 | LIBERAL | 9533 | — | — |
| 620-625 | YATES CTR | 9533 | — | Yes |
| 620-626 | LIBERAL | 9533 | — | — |
| 620-627 | ELK CITY | 2030 | — | — |
| 620-628 | CANTON | 9533 | — | Yes |
| 620-629 | LIBERAL | 9533 | — | — |
| 620-630 | RIVERTON | 205F | 2020-10-02 | Yes |
| 620-631 | YATES CTR | 515J | 2024-04-22 | Yes |
| 620-632 | MCCUNE | 1818 | — | — |
| 620-633 | LAFONTAINE | 1810 | — | Yes |
| 620-634 | MOUND VLY | 205F | 2017-04-28 | Yes |
| 620-635 | ASHLAND | 1841 | — | Yes |
| 620-636 | FREDONIA | 6534 | 2001-12-12 | Yes |
| 620-637 | TORONTO | 1810 | — | Yes |
| 620-638 | ARCADIA | 1818 | — | — |
| 620-639 | GREAT BEND | 122D | 2005-06-08 | — |
| 620-640 | GARDENCITY | 6532 | 2002-11-04 | — |
| 620-641 | GARDENCITY | 6534 | 2024-06-24 | Yes |
| 620-642 | LONGTON | 1833 | — | Yes |
| 620-643 | LAWTON | 1759 | — | — |
| 620-644 | FORT SCOTT | 073H | — | Yes |
| 620-645 | QUINCY | 1810 | — | Yes |
| 620-646 | FOWLER | 9533 | — | Yes |
| 620-647 | MOLINE | 9533 | — | Yes |
| 620-648 | ZENDA | 6532 | 2024-08-22 | Yes |
| 620-649 | SATANTA | 1817 | — | Yes |
| 620-650 | GARDENCITY | 6534 | 2026-01-07 | Yes |
| 620-651 | DEERFIELD | 401D | 2006-12-19 | Yes |
| 620-652 | FREDONIA | 2240 | 2002-08-09 | Yes |
| 620-653 | HOISINGTON | 1810 | — | — |
| 620-654 | GALVA | 1782 | — | Yes |
| 620-655 | LIBERAL | 6532 | 2002-11-04 | — |
| 620-656 | PRESTON | 1810 | — | Yes |
| 620-657 | RYUS | 1817 | — | — |
| 620-658 | FALL RIVER | 1810 | — | Yes |
| 620-659 | KINSLEY | 9533 | — | Yes |
| 620-660 | ARKANSASCY | 6532 | 2002-10-17 | Yes |
| 620-661 | CHANUTE | 624H | 2025-01-03 | Yes |
| 620-662 | HUTCHINSON | 9533 | — | — |
| 620-663 | HUTCHINSON | 9533 | — | — |
| 620-664 | HUTCHINSON | 9533 | — | Yes |
| 620-665 | HUTCHINSON | 9533 | — | — |
| 620-666 | FLORENCE | 965H | 2019-01-28 | Yes |
| 620-667 | COTONWDFLS | 205F | 2020-10-02 | Yes |
| 620-668 | COPELAND | 1841 | — | Yes |
| 620-669 | HUTCHINSON | 9533 | — | — |
| 620-670 | PITTSBURG | 2240 | 2002-04-29 | Yes |
| 620-671 | INMAN | 6529 | 2025-03-21 | Yes |
| 620-672 | PRATT | 9533 | — | — |
| 620-673 | HAVANA | 2030 | — | — |
| 620-674 | COLUBSRURL | 1818 | — | Yes |
| 620-675 | SUBLETTE | 9533 | — | Yes |
| 620-676 | LIBERAL | 624H | 2025-01-03 | Yes |
| 620-677 | PLAINS | 965H | 2020-06-30 | Yes |
| 620-678 | HAMILTON | 9533 | — | Yes |
| 620-679 | TREECE | 9533 | — | Yes |
| 620-680 | LYONS | 6532 | 2002-06-13 | Yes |
| 620-681 | LONGTON | 6529 | 2025-03-21 | Yes |
| 620-682 | DODGE CITY | 9533 | 2002-09-23 | Yes |
| 620-683 | SOUTHHAVEN | 6529 | 2025-03-21 | Yes |
| 620-685 | PIQUA | 205F | 2017-04-28 | Yes |
| 620-686 | LARNED | 516J | 2022-03-01 | Yes |
| 620-687 | PITTSBURG | 6532 | 2002-11-18 | Yes |
| 620-688 | COFFEYVL | 6532 | 2002-11-18 | Yes |
| 620-690 | HUTCHINSON | 205F | 2022-12-07 | Yes |
| 620-692 | COYVILLE | 1810 | — | Yes |
| 620-693 | NOMANCHETR | 1788 | — | — |
| 620-694 | HUTCHINSON | 9533 | — | — |
| 620-696 | STAFFORD | 516J | 2022-03-09 | Yes |
| 620-697 | ELKHART | 1764 | — | — |
| 620-698 | BENEDICT | 1810 | — | Yes |
| 620-699 | READING | 9533 | — | Yes |
| 620-700 | — | — | ||
| 620-702 | CHERRYVALE | 9533 | 2001-06-08 | Yes |
| 620-704 | PITTSBURG | 6534 | 2001-06-05 | Yes |
| 620-705 | WINFIELD | 9533 | 2001-06-08 | Yes |
| 620-708 | HUTCHINSON | 2240 | 2002-04-29 | 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.