All assignees
525 prefixes in 435 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 435-626 | SNOWVILLE | 871E | 2018-10-19 | Yes |
| 435-627 | ST GEORGE | 9636 | — | Yes |
| 435-628 | ST GEORGE | 9636 | — | — |
| 435-630 | PRICE | 6571 | — | Yes |
| 435-631 | PARK CITY | 6010 | 2001-06-07 | Yes |
| 435-632 | ST GEORGE | 6571 | — | — |
| 435-633 | RICHFIELD | 3231 | 2002-04-24 | Yes |
| 435-634 | ST GEORGE | 9636 | — | — |
| 435-635 | ST GEORGE | 9636 | — | — |
| 435-636 | PRICE | 1190 | — | — |
| 435-637 | PRICE | 1190 | — | — |
| 435-638 | KOOSHAREM | 2286 | — | — |
| 435-640 | PARK CITY | 6571 | — | — |
| 435-642 | CHRISTMMDW | 2297 | — | — |
| 435-644 | KANAB | 2286 | — | — |
| 435-645 | PARK CITY | 9636 | — | — |
| 435-646 | FLATTOP | 2287 | — | — |
| 435-647 | PARK CITY | 9636 | — | Yes |
| 435-648 | ORDERVILLE | 2286 | — | — |
| 435-649 | PARK CITY | 9636 | — | — |
| 435-650 | PRICE | 6571 | — | — |
| 435-651 | MNZMCRANTH | 4451 | — | — |
| 435-652 | ST GEORGE | 9636 | — | — |
| 435-653 | CASTLEDALE | 2278 | — | — |
| 435-654 | HEBER CITY | 9636 | — | Yes |
| 435-655 | PARK CITY | 9636 | — | Yes |
| 435-656 | ST GEORGE | 9636 | — | — |
| 435-657 | HEBER CITY | 9636 | — | Yes |
| 435-658 | PARK CITY | 9636 | — | — |
| 435-659 | PARK CITY | 6571 | — | Yes |
| 435-660 | NEPHI | 6571 | — | Yes |
| 435-661 | DNGLNG RPE | 4611 | — | — |
| 435-662 | CEDAR CITY | 4611 | — | — |
| 435-663 | IBAPAH | 4611 | — | — |
| 435-665 | WENDOVER | 2283 | — | — |
| 435-666 | PARK CITY | 965H | 2019-01-24 | Yes |
| 435-667 | BRIGHAM CY | 965H | 2021-07-01 | Yes |
| 435-668 | ST GEORGE | 6571 | — | — |
| 435-669 | ST GEORGE | 6571 | — | Yes |
| 435-670 | SALINA | 7530 | — | Yes |
| 435-671 | HEBER CITY | 6571 | — | Yes |
| 435-672 | BLUFF | 4429 | — | — |
| 435-673 | ST GEORGE | 9636 | — | — |
| 435-674 | ST GEORGE | 9636 | — | — |
| 435-675 | GLNCNYONCY | 9636 | — | — |
| 435-676 | PANGUITCH | 2286 | — | Yes |
| 435-677 | BRIAN HEAD | 9636 | — | Yes |
| 435-678 | BLANDING | 4429 | — | — |
| 435-679 | CANNONVL | 2286 | — | — |
| 435-680 | ST GEORGE | 6010 | — | Yes |
| 435-681 | NEPHI | 6010 | — | Yes |
| 435-682 | DUCK CREEK | 2286 | — | — |
| 435-683 | MEXICANHAT | 4429 | — | — |
| 435-684 | LAKEPOWELL | 4429 | — | — |
| 435-686 | LA SAL | 4429 | — | — |
| 435-687 | CASTLEDALE | 2278 | — | — |
| 435-688 | ST GEORGE | 9636 | — | — |
| 435-689 | KANAB | 6010 | — | Yes |
| 435-690 | PANGUITCH | 6571 | — | Yes |
| 435-691 | CEDAR CITY | 6010 | — | Yes |
| 435-692 | NAT BRIDGE | 4429 | — | — |
| 435-693 | PARTOUN | 4611 | — | — |
| 435-695 | BRIGHAM CY | 9636 | — | Yes |
| 435-699 | PARK CITY | 965H | 2021-08-12 | Yes |
| 435-700 | — | — | ||
| 435-701 | CEDAR CITY | 6529 | — | Yes |
| 435-703 | ST GEORGE | 6529 | — | Yes |
| 435-704 | CEDAR CITY | 6571 | — | Yes |
| 435-705 | ST GEORGE | 6529 | — | Yes |
| 435-708 | CEDAR CITY | 117F | — | Yes |
| 435-709 | HEBER CITY | 7530 | — | Yes |
| 435-710 | PAROWAN | 3231 | 2001-10-23 | Yes |
| 435-711 | XXXXXXXXXX | MULT | — | — |
| 435-712 | KOLOB | 4611 | — | — |
| 435-713 | LOGAN | 9636 | — | Yes |
| 435-714 | PARK CITY | 6529 | — | Yes |
| 435-716 | LOGAN | 9636 | — | — |
| 435-719 | MOAB | 4429 | — | — |
| 435-720 | BRIGHAM CY | 6571 | — | Yes |
| 435-722 | ROOSEVELT | 2287 | — | Yes |
| 435-723 | BRIGHAM CY | 9636 | — | — |
| 435-724 | ROOSEVELT | 6010 | — | Yes |
| 435-725 | ROOSEVELT | 2287 | — | — |
| 435-727 | MONUMNTVLY | 4451 | — | — |
| 435-728 | TOOELE | 3231 | 2001-10-23 | Yes |
| 435-729 | PARK CITY | 6010 | — | Yes |
| 435-730 | BRIGHAM CY | 6010 | — | Yes |
| 435-731 | PARK CITY | 6529 | — | Yes |
| 435-732 | TREMONTON | 965H | 2021-07-16 | Yes |
| 435-733 | DUCHESNE | 6010 | — | Yes |
| 435-734 | BRIGHAM CY | 9636 | — | — |
| 435-735 | HATCH | 2286 | — | — |
| 435-737 | TOOELE | 516J | 2022-01-27 | Yes |
| 435-738 | DUCHESNE | 2287 | — | — |
| 435-739 | HALCHITA | 4451 | — | — |
| 435-740 | BRIGHAM CY | 6571 | — | Yes |
| 435-743 | FILLMORE | 4429 | — | — |
| 435-744 | BRIGHAM CY | 9636 | — | Yes |
| 435-746 | KAMAS | 516J | 2022-01-27 | Yes |
| 435-747 | GROUSE CRK | 4611 | — | — |
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.