The 636 Area Code (or Area Code 636) is located in the state of MO. Area Code 636 is one of the 269 3-digit telephone area codes in the USA. It covers roughly 870 thousand unique phone numbers and 3.47 million individuals near the city of Ballwin
Area code 636 was put into service. Area code 636 was created from a split of area code 314.
Antonia, Augusta, Cedar Hill, Chesterfield, Creve Coeur, Crystal City, Dardenne, De Soto, Defiance, Earth City, Eureka, Fenton, Fletcher, Foley, Foristell, Gray Summit, Harvester, Hawk Point, Herculaneum, High Hill, High Ridge, Hillsboro, House Springs, Imperial, Jonesburg, Ladue, Manchester, Marthasville, Maryland Heights, Maxville, Moscow Mills, New Haven, O Fallon, Old Monroe, Pacific, Pond, Portage Des Sioux, Saint Ann, Saint Charles, Saint Clair, Saint Louis, Saint Peters, St Peters, Troy, Truxton, Union, Valley Park, Warrenton, Washington, Weldon Spring, Wentzville, Winfield, Wright City.
| PREFIX | COUNTY | CITY | CARRIER | TYPE |
|---|---|---|---|---|
| 636-577 | St. Charles | Saint Peters | New Cingular Wireless Pcs, Llc - IL | Wireless |
| 636-578 | St. Louis (city) | Saint Louis | Sprint Spectrum L.p. | Wireless |
| 636-579 | St. Louis | Chesterfield | T-Mobile Usa, Inc. | Wireless |
| 636-582 | Clark | Union | Aurora Communications, Inc. - MO | Landline |
| 636-583 | Clark | Union | Southwestern Bell | Landline |
| 636-584 | Clark | Union | Southwestern Bell | Landline |
| 636-585 | Montgomery | High Hill | Centurytel Missouri Llc (Southwest)Dba Centurylink | Landline |
| 636-586 | Jefferson | De Soto | Southwestern Bell | Landline |
| 636-587 | Perry | Eureka | Southwestern Bell | Landline |
| 636-590 | St. Louis | Saint Ann | Global Crossing Local Services, Inc.-Mo | Landline |
| 636-591 | St. Louis | Manchester | Mcleodusa Telecommunications Services, Inc.- MO | Landline |
| 636-594 | St. Louis | Manchester | Xo Missouri, Inc. | Landline |
| 636-597 | Lincoln | Truxton | Centurytel Missouri Llc (Southwest)Dba Centurylink | Landline |
| 636-600 | St. Louis | Maryland Heights | Birch Telecom Of Missouri, Inc. | Landline |
| 636-614 | Saint Louis City | Saint Louis | Level 3 Communications, Llc - MO | Landline |
| 636-625 | St. Charles | Dardenne | Centurytel Missouri Llc (Southwest)Dba Centurylink | Landline |
| 636-627 | St. Louis | Creve Coeur | At&t Local | Landline |
| 636-628 | St. Louis | Saint Ann | Global Crossing Local Services, Inc.-Mo | Landline |
| 636-629 | Franklin | Saint Clair | Southwestern Bell | Landline |
| 636-633 | Jefferson | Imperial | T-Mobile Usa, Inc. | Wireless |
| 636-634 | St. Louis | Saint Ann | Global Crossing Local Services, Inc.-Mo | Landline |
| 636-638 | Jefferson | Crystal City | Charter Fiberlink, Llc - MO | Landline |
| 636-639 | St. Charles | Wentzville | Centurytel Missouri Llc (Southwest)Dba Centurylink | Landline |
| 636-642 | Jefferson | Imperial | Level 3 Communications, Llc - MO | Landline |
| 636-648 | St. Louis | Saint Ann | Global Crossing Local Services, Inc.-Mo | Landline |
| 636-649 | Clark | Union | New Cingular Wireless Pcs, Llc - IL | Wireless |
| 636-651 | St. Louis (city) | Saint Louis | Teleport Communications Group - St. Louis | Landline |
| 636-660 | St. Louis | Fenton | Mcleodusa Telecommunications Services, Inc.- MO | Landline |
| 636-661 | Lincoln | Old Monroe | Centurytel Missouri Llc (Southwest)Dba Centurylink | Landline |
| 636-662 | Lincoln | Foley | Centurytel Missouri Llc (Southwest)Dba Centurylink | Landline |
| 636-665 | Lincoln | Old Monroe | Centurytel Missouri Llc (Southwest)Dba Centurylink | Landline |
| 636-667 | Franklin | Washington | Sprint Spectrum L.p. | Wireless |
| 636-668 | Lincoln | Winfield | Centurytel Missouri Llc (Southwest)Dba Centurylink | Landline |
| 636-669 | St. Charles | Saint Charles | Mcleodusa Telecommunications Services, Inc.- MO | Landline |
| 636-671 | Jefferson | House Springs | Southwestern Bell | Landline |
| 636-673 | St. Charles | Foristell | Centurytel Missouri Llc (Southwest)Dba Centurylink | Landline |
| 636-674 | Jefferson | House Springs | Windstream Nuvox Missouri, Llc | Landline |
| 636-675 | St. Louis | Chesterfield | T-Mobile Usa, Inc. | Wireless |
| 636-677 | Jefferson | High Ridge | Southwestern Bell | Landline |
| 636-678 | St. Louis | Fenton | Global Crossing Local Services, Inc.-Mo | Landline |
| 636-679 | St. Charles | Wentzville | T-Mobile Usa, Inc. | Wireless |
| 636-680 | St. Louis | Ladue | Windstream Nuvox Missouri, Llc | Landline |
| 636-681 | St. Louis (city) | Saint Louis | Teleport Communications Group - St. Louis | Landline |
| 636-685 | St. Louis (city) | Saint Louis | Teleport Communications Group - St. Louis | Landline |
| 636-686 | St. Louis (city) | Saint Louis | Teleport Communications Group - St. Louis | Landline |
| 636-688 | St. Louis (city) | Saint Louis | Teleport Communications Group - St. Louis | Landline |
| 636-689 | St. Louis (city) | Saint Louis | Teleport Communications Group - St. Louis | Landline |
| 636-692 | Jefferson | High Ridge | Windstream Nuvox Missouri, Llc | Landline |
| 636-695 | St. Charles | Dardenne | Teleport Communications Group - St. Louis | Landline |
| 636-696 | Saint Louis | Saint Louis | Teleport Communications Group - St. Louis | Landline |
| 636-697 | St. Louis (city) | Saint Louis | Teleport Communications Group - St. Louis | Landline |
| 636-698 | St. Charles | Wentzville | Teleport Communications Group - St. Louis | Landline |
| 636-699 | St. Louis | Maryland Heights | Birch Telecom Of Missouri, Inc. | Landline |
| 636-701 | St. Louis | Manchester | ||
| 636-707 | Jefferson | Cedar Hill | Level 3 Communications, Llc - MO | Landline |
| 636-717 | St. Louis | Fenton | Southwestern Bell | Landline |
| 636-720 | St. Louis | Ladue | Windstream Nuvox Missouri, Llc | Landline |
| 636-722 | St. Charles | Weldon Spring | Southwestern Bell | Landline |
| 636-723 | St. Charles | Saint Charles | Southwestern Bell | Landline |
| 636-724 | St. Charles | Saint Charles | Southwestern Bell | Landline |
| 636-725 | Jefferson | Crystal City | Windstream Nuvox Missouri, Llc | Landline |
| 636-728 | St. Louis | Chesterfield | Southwestern Bell | Landline |
| 636-730 | St. Louis | Chesterfield | Southwestern Bell | Landline |
| 636-733 | St. Louis | Chesterfield | Southwestern Bell | Landline |
| 636-734 | St. Louis (city) | Saint Louis | Sprint Spectrum L.p. | Wireless |
| 636-735 | St. Louis | Chesterfield | Southwestern Bell | Landline |
| 636-736 | St. Louis | Chesterfield | Southwestern Bell | Landline |
| 636-737 | St. Louis | Chesterfield | Southwestern Bell | Landline |
| 636-741 | Jefferson | Imperial | Windstream Nuvox Missouri, Llc | Landline |
| 636-742 | Franklin | Gray Summit | Southwestern Bell | Landline |
| Phone Number 636-875-1228 |
USAGE Landline |
City Saint Peters |
Operate Read more about who called from 6368751228 |
Update Time Mar-26-2026 |
| Phone Number 636-393-5340 |
USAGE Landline |
City Pacific |
Operate Read more about who called from 6363935340 |
Update Time Mar-26-2026 |
| Phone Number 636-849-7735 |
USAGE Landline |
City Pacific |
Operate Read more about who called from 6368497735 |
Update Time Mar-26-2026 |
| Phone Number 636-875-5585 |
USAGE Landline |
City Saint Peters |
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Update Time Mar-26-2026 |
| Phone Number 636-223-6231 |
USAGE Landline |
City Imperial |
Operate Read more about who called from 6362236231 |
Update Time Mar-26-2026 |
| Phone Number 636-238-6360 |
USAGE Landline |
City Manchester |
Operate Read more about who called from 6362386360 |
Update Time Mar-26-2026 |
| Phone Number 636-579-2036 |
USAGE Wireless |
City Chesterfield |
Operate Read more about who called from 6365792036 |
Update Time Mar-26-2026 |
| Phone Number 636-931-1138 |
USAGE Landline |
City Crystal City |
Operate Read more about who called from 6369311138 |
Update Time Mar-26-2026 |
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