All assignees
456 prefixes in 636 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 636-597 | TRUXTON | 9787 | — | Yes |
| 636-600 | FENTON | 093F | — | Yes |
| 636-611 | XXXXXXXXXX | MULT | — | — |
| 636-614 | OFALLON | 4932 | 2001-10-08 | Yes |
| 636-618 | — | — | ||
| 636-622 | TROY | 7432 | — | Yes |
| 636-625 | DARDENNE | 9787 | — | — |
| 636-626 | ST PETERS | 093F | — | Yes |
| 636-627 | ST CHARLES | 792K | 2002-06-07 | Yes |
| 636-628 | MANCHESTER | 4932 | — | Yes |
| 636-629 | ST CLAIR | 9533 | — | — |
| 636-630 | OFALLON | 939H | 2022-05-19 | Yes |
| 636-633 | IMPERIAL | 6529 | 2001-05-07 | Yes |
| 636-634 | ST CHARLES | 4932 | — | Yes |
| 636-635 | CEDAR HILL | 624H | 2021-06-04 | Yes |
| 636-636 | — | — | ||
| 636-637 | FSSCRSTLCY | 7432 | 2019-09-03 | Yes |
| 636-638 | FSSCRSTLCY | 792K | 2012-05-22 | Yes |
| 636-639 | WENTZVILLE | 9787 | — | Yes |
| 636-642 | IMPERIAL | 4932 | — | Yes |
| 636-648 | PORTAGSIUX | 145J | — | Yes |
| 636-649 | UNION | 6534 | 2011-10-27 | Yes |
| 636-651 | FENTON | 7218 | — | Yes |
| 636-655 | WENTZVILLE | 622J | 2021-09-08 | Yes |
| 636-660 | FENTON | 829J | 2002-08-13 | Yes |
| 636-661 | OLD MONROE | 9787 | — | Yes |
| 636-662 | FOLEY | 9787 | — | Yes |
| 636-665 | OLD MONROE | 9787 | — | Yes |
| 636-666 | UNION | 145J | 2018-12-24 | Yes |
| 636-667 | WASHINGTON | 6529 | 2002-01-16 | Yes |
| 636-668 | WINFIELD | 9787 | — | Yes |
| 636-669 | ST CHARLES | 829J | — | Yes |
| 636-671 | HIGH RIDGE | 9533 | — | Yes |
| 636-673 | FORISTELL | 9787 | — | Yes |
| 636-674 | ANTONIA | 829J | — | Yes |
| 636-675 | CHESTERFLD | 6529 | 2001-01-18 | Yes |
| 636-677 | HIGH RIDGE | 9533 | — | — |
| 636-678 | FENTON | 4932 | — | Yes |
| 636-679 | WENTZVILLE | 6529 | — | Yes |
| 636-680 | FENTON | 829J | — | Yes |
| 636-681 | CHESTERFLD | 7218 | — | Yes |
| 636-685 | HARVESTER | 7218 | — | Yes |
| 636-686 | MANCHESTER | 7218 | — | Yes |
| 636-688 | ST CHARLES | 7218 | — | Yes |
| 636-689 | VALLEYPARK | 7218 | — | Yes |
| 636-692 | HIGH RIDGE | 829J | — | Yes |
| 636-695 | DARDENNE | 7218 | — | Yes |
| 636-696 | OFALLON | 7218 | — | Yes |
| 636-697 | ST PETERS | 7218 | — | Yes |
| 636-698 | WENTZVILLE | 7218 | — | Yes |
| 636-699 | ST CHARLES | 093F | — | Yes |
| 636-700 | — | — | ||
| 636-706 | ST PETERS | 508J | 2013-09-20 | Yes |
| 636-707 | CEDAR HILL | 4932 | 2004-12-07 | Yes |
| 636-711 | XXXXXXXXXX | MULT | — | — |
| 636-717 | FENTON | 9533 | — | Yes |
| 636-720 | HARVESTER | 829J | — | Yes |
| 636-722 | HARVESTER | 9533 | — | — |
| 636-723 | ST CHARLES | 9533 | — | Yes |
| 636-724 | ST CHARLES | 9533 | — | — |
| 636-725 | FSSCRSTLCY | 829J | 2011-04-18 | Yes |
| 636-728 | CHESTERFLD | 9533 | — | Yes |
| 636-730 | CHESTERFLD | 9533 | — | Yes |
| 636-732 | GRAYSUMMIT | 965H | 2019-10-24 | Yes |
| 636-733 | CHESTERFLD | 9533 | — | Yes |
| 636-734 | ST CHARLES | 6529 | — | Yes |
| 636-735 | CHESTERFLD | 9533 | — | Yes |
| 636-736 | CHESTERFLD | 9533 | — | Yes |
| 636-737 | CHESTERFLD | 9533 | — | — |
| 636-741 | IMPERIAL | 829J | — | Yes |
| 636-742 | GRAYSUMMIT | 9533 | — | Yes |
| 636-744 | UNION | 9533 | 2006-03-28 | Yes |
| 636-745 | WRIGHTCITY | 9787 | — | Yes |
| 636-746 | MAXVILLE | 516J | 2022-02-04 | Yes |
| 636-747 | PACIFIC | 093F | 2016-01-05 | Yes |
| 636-748 | CEDAR HILL | 993E | — | Yes |
| 636-751 | MANCHESTER | 5814 | — | — |
| 636-753 | PORTAGSIUX | 9533 | — | Yes |
| 636-754 | ST CHARLES | 7432 | — | — |
| 636-755 | DARDENNE | 9787 | 2005-01-20 | Yes |
| 636-757 | ST CHARLES | 829J | — | Yes |
| 636-758 | ST CLAIR | 965H | 2019-10-25 | Yes |
| 636-764 | FENTON | 4932 | — | Yes |
| 636-773 | ST CHARLES | 093F | — | Yes |
| 636-775 | TROY | 792K | 2011-02-07 | Yes |
| 636-777 | CHESTERFLD | 093F | — | Yes |
| 636-778 | CHESTERFLD | 792K | — | Yes |
| 636-779 | MANCHESTER | 829J | — | Yes |
| 636-782 | HOLSTEIN | 9787 | 2007-01-10 | Yes |
| 636-787 | CHESTERFLD | 7432 | — | — |
| 636-789 | HILLSBORO | 9533 | — | Yes |
| 636-791 | WRIGHTCITY | 9787 | 2007-01-10 | Yes |
| 636-793 | HARVESTER | 7432 | — | Yes |
| 636-794 | HARVESTER | 7432 | — | — |
| 636-795 | ST CHARLES | 6534 | — | — |
| 636-797 | HILLSBORO | 9533 | — | Yes |
| 636-798 | DEFIANCE | 9787 | — | Yes |
| 636-800 | ST CHARLES | 093F | 2015-10-14 | Yes |
| 636-811 | XXXXXXXXXX | MULT | — | — |
| 636-812 | CHESTERFLD | 829J | — | 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.