All assignees
456 prefixes in 636 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 636-300 | HARVESTER | 9533 | 2001-05-01 | Yes |
| 636-301 | ST CHARLES | 0051 | 2026-05-13 | — |
| 636-302 | CHESTERFLD | 093F | 2026-09-10 | Yes |
| 636-303 | UNION | 073H | 2017-03-23 | Yes |
| 636-305 | FENTON | 9533 | — | — |
| 636-306 | HERCUMPVLY | 5562 | 2014-07-03 | Yes |
| 636-310 | HILLSBORO | 792K | 2016-04-05 | Yes |
| 636-311 | XXXXXXXXXX | MULT | — | — |
| 636-312 | OFALLON | 6534 | 2015-11-06 | Yes |
| 636-313 | MANCHESTER | 6529 | 2026-04-02 | Yes |
| 636-314 | — | — | ||
| 636-317 | HARVESTER | 792K | 2016-02-18 | Yes |
| 636-318 | TROY | 6529 | — | Yes |
| 636-319 | DARDENNE | 9787 | 2020-05-14 | Yes |
| 636-320 | HARVESTER | 6630 | — | — |
| 636-321 | MAXVILLE | 829J | — | Yes |
| 636-322 | ST CLAIR | 9533 | 2006-01-10 | Yes |
| 636-323 | ANTONIA | 4932 | 2003-01-10 | Yes |
| 636-324 | POND | 093F | — | Yes |
| 636-326 | FENTON | 9533 | — | Yes |
| 636-327 | WENTZVILLE | 9787 | — | — |
| 636-328 | ST CHARLES | 7432 | — | Yes |
| 636-329 | HARVESTER | 9533 | 2001-05-01 | Yes |
| 636-330 | DE SOTO | 225F | 2019-03-06 | Yes |
| 636-331 | FSSCRSTLCY | 6529 | 2017-08-09 | Yes |
| 636-332 | WENTZVILLE | 9787 | — | — |
| 636-333 | MAXVILLE | 093F | — | Yes |
| 636-334 | PACIFIC | 4932 | 2003-01-10 | Yes |
| 636-335 | FENTON | 7432 | 2020-07-27 | Yes |
| 636-336 | HARVESTER | 829J | — | Yes |
| 636-337 | DE SOTO | 9533 | — | Yes |
| 636-338 | HAWK POINT | 9787 | — | Yes |
| 636-339 | OFALLON | 6529 | 2020-08-25 | Yes |
| 636-341 | FSSCRSTLCY | 6529 | 2021-04-28 | Yes |
| 636-342 | HARVESTER | 490J | 2021-12-22 | Yes |
| 636-343 | FENTON | 9533 | — | — |
| 636-344 | HARVESTER | 9533 | 2005-05-24 | Yes |
| 636-345 | HARVESTER | 7432 | — | Yes |
| 636-346 | CHESTERFLD | 6529 | — | Yes |
| 636-347 | DE SOTO | 321J | 2021-05-14 | Yes |
| 636-348 | ST PETERS | 965H | 2020-09-01 | Yes |
| 636-349 | FENTON | 9533 | — | — |
| 636-351 | OFALLON | 490J | 2022-01-09 | Yes |
| 636-352 | ST CHARLES | 4932 | — | Yes |
| 636-354 | HARVESTER | 6534 | 2021-08-16 | Yes |
| 636-355 | FOLEY | 9787 | 2007-01-10 | Yes |
| 636-356 | MOSCOW ML | 9787 | — | Yes |
| 636-357 | WENTZVILLE | 6534 | — | Yes |
| 636-358 | TROY | 6534 | — | Yes |
| 636-359 | WARRENTON | 6534 | — | Yes |
| 636-362 | HARVESTER | 9533 | 2013-04-18 | Yes |
| 636-364 | ST CLAIR | 4932 | 2003-01-10 | Yes |
| 636-366 | MOSCOW ML | 9787 | — | Yes |
| 636-367 | TROY | 6529 | 2023-03-08 | Yes |
| 636-368 | CHESTERFLD | 6529 | 2001-07-05 | Yes |
| 636-369 | WASHINGTON | 093F | 2021-03-11 | Yes |
| 636-373 | ST CHARLES | 6529 | — | Yes |
| 636-375 | HIGH RIDGE | 9533 | — | Yes |
| 636-376 | HIGH RIDGE | 9533 | — | Yes |
| 636-377 | WARRENTON | 9787 | 2006-10-12 | Yes |
| 636-378 | ST PETERS | 6529 | 2023-07-28 | Yes |
| 636-379 | OFALLON | 9787 | — | Yes |
| 636-380 | TROY | 5814 | 2024-02-16 | Yes |
| 636-383 | TROY | 5562 | 2014-07-03 | Yes |
| 636-384 | WRIGHTCITY | 6534 | — | Yes |
| 636-385 | OFALLON | 9787 | 2011-02-25 | Yes |
| 636-386 | MANCHESTER | 9533 | — | Yes |
| 636-387 | ST PETERS | 792K | 2001-08-08 | Yes |
| 636-388 | UNION | 4932 | 2002-02-28 | Yes |
| 636-389 | ST CHARLES | 4932 | — | Yes |
| 636-390 | WASHINGTON | 9533 | — | — |
| 636-391 | MANCHESTER | 9533 | — | — |
| 636-392 | WASHINGTON | 506E | 2008-06-03 | Yes |
| 636-393 | PACIFIC | 792K | 2004-12-13 | Yes |
| 636-394 | MANCHESTER | 9533 | — | — |
| 636-395 | ST CHARLES | 516C | — | Yes |
| 636-396 | FSSCRSTLCY | 093F | 2024-03-13 | Yes |
| 636-397 | ST PETERS | 9787 | — | — |
| 636-398 | NEW MELLE | 9787 | — | Yes |
| 636-399 | MANCHESTER | 5814 | — | — |
| 636-400 | PORTAGSIUX | 093F | — | Yes |
| 636-402 | GRAYSUMMIT | 829J | 2001-07-05 | Yes |
| 636-403 | HARVESTER | 6630 | — | — |
| 636-405 | POND | 9533 | — | Yes |
| 636-406 | CEDAR HILL | 093F | 2024-03-21 | Yes |
| 636-407 | DE SOTO | 093F | 2024-03-21 | Yes |
| 636-408 | HIGH RIDGE | 093F | 2024-03-21 | Yes |
| 636-409 | OFALLON | 792K | 2016-01-05 | Yes |
| 636-410 | ST CHARLES | 7432 | — | Yes |
| 636-411 | XXXXXXXXXX | MULT | — | — |
| 636-412 | VALLEYPARK | 7432 | — | — |
| 636-415 | HARVESTER | 6534 | 2024-04-16 | Yes |
| 636-417 | XXXXXXXXXX | — | — | |
| 636-422 | POND | 9533 | 2005-05-11 | Yes |
| 636-424 | POND | 093F | 2024-03-29 | Yes |
| 636-425 | PORTAGSIUX | 829J | — | Yes |
| 636-426 | PORTAGSIUX | 6529 | 2001-05-10 | Yes |
| 636-427 | ST PETERS | 6534 | 2025-01-07 | Yes |
| 636-428 | HIGH RIDGE | 7218 | 2015-06-16 | Yes |
| 636-429 | EUREKA | 225F | 2013-02-01 | 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.