Area Code Profile
Area Code 636 Prefixes & Exchanges
Serving O'Fallon, Missouri, Unites States
Central Office Exchanges (Prefixes)
Select any prefix below to view phone lines, carrier networks, and consumer reports in that exchange:
| Exchange Prefix | City / Location | Line Type |
|---|---|---|
| 1-636-203-#### | Fenton | Landline |
| 1-636-205-#### | Winfield | Landline |
| 1-636-206-#### | Earth City | Landline |
| 1-636-207-#### | Manchester | Landline |
| 1-636-208-#### | Crystal City | Wireless |
| 1-636-209-#### | Crystal City | Wireless |
| 1-636-212-#### | Maxville | Wireless |
| 1-636-216-#### | Saint Louis | Landline |
| 1-636-219-#### | Saint Charles | Wireless |
| 1-636-220-#### | Manchester | Landline |
| 1-636-221-#### | Washington | Landline |
| 1-636-222-#### | Cedar Hill | Wireless |
| 1-636-223-#### | Imperial | Landline |
| 1-636-224-#### | Herculaneum | Landline |
| 1-636-225-#### | Valley Park | Landline |
| 1-636-226-#### | Valley Park | Landline |
| 1-636-227-#### | Manchester | Landline |
| 1-636-228-#### | Augusta | Landline |
| 1-636-229-#### | Harvester | Landline |
| 1-636-230-#### | Manchester | Landline |
| 1-636-231-#### | Washington | Landline |
| 1-636-232-#### | Crystal City | Landline |
| 1-636-233-#### | Saint Charles | Landline |
| 1-636-234-#### | Union | Landline |
| 1-636-235-#### | Warrenton | Landline |
| 1-636-236-#### | Saint Louis | Wireless |
| 1-636-237-#### | Chesterfield | Landline |
| 1-636-238-#### | Manchester | Landline |
| 1-636-239-#### | Washington | Landline |
| 1-636-240-#### | O Fallon | Landline |
| 1-636-242-#### | Marthasville | Landline |
| 1-636-243-#### | De Soto | Landline |
| 1-636-244-#### | Harvester | Landline |
| 1-636-246-#### | Saint Charles | Landline |
| 1-636-247-#### | Chesterfield | Landline |
| 1-636-248-#### | St Peters | Wireless |
| 1-636-249-#### | Unknown | |
| 1-636-250-#### | Portage Des Sioux | Landline |
| 1-636-251-#### | Foristell | Wireless |
| 1-636-253-#### | High Ridge | Wireless |
| 1-636-255-#### | Saint Charles | Landline |
| 1-636-256-#### | Manchester | Landline |
| 1-636-257-#### | Pacific | Landline |
| 1-636-258-#### | Portage Des Sioux | Landline |
| 1-636-259-#### | Gray Summit | Wireless |
| 1-636-261-#### | Harvester | Landline |
| 1-636-262-#### | Chesterfield | Wireless |
| 1-636-263-#### | Harvester | Landline |
| 1-636-264-#### | Winfield | Landline |
| 1-636-265-#### | Dardenne | Landline |
| 1-636-266-#### | Washington | Landline |
| 1-636-271-#### | Pacific | Landline |
| 1-636-272-#### | O Fallon | Landline |
| 1-636-273-#### | Pond | Landline |
| 1-636-274-#### | Cedar Hill | Landline |
| 1-636-277-#### | Earth City | Landline |
| 1-636-278-#### | St Peters | Landline |
| 1-636-279-#### | St Peters | Landline |
| 1-636-281-#### | O Fallon | Landline |
| 1-636-282-#### | Maxville | Landline |
| 1-636-283-#### | Washington | Landline |
| 1-636-284-#### | Harvester | Wireless |
| 1-636-285-#### | Cedar Hill | Landline |
| 1-636-287-#### | Maxville | Landline |
| 1-636-288-#### | Saint Charles | Wireless |
| 1-636-290-#### | Troy | Wireless |
| 1-636-293-#### | O Fallon | Wireless |
| 1-636-294-#### | O Fallon | Landline |
| 1-636-295-#### | Troy | Wireless |
| 1-636-296-#### | Maxville | Landline |
| 1-636-297-#### | Warrenton | Wireless |
| 1-636-299-#### | Chesterfield | Landline |
| 1-636-300-#### | Harvester | Landline |
| 1-636-305-#### | Fenton | Landline |
| 1-636-306-#### | Unknown | |
| 1-636-320-#### | Harvester | Wireless |
| 1-636-321-#### | Maxville | Landline |
| 1-636-322-#### | Saint Clair | Landline |
| 1-636-323-#### | House Springs | Landline |
| 1-636-324-#### | Pond | Landline |
| 1-636-326-#### | Fenton | Landline |
| 1-636-327-#### | Wentzville | Landline |
| 1-636-328-#### | Saint Charles | Landline |
| 1-636-329-#### | Harvester | Landline |
| 1-636-332-#### | Wentzville | Landline |
| 1-636-333-#### | Maxville | Landline |
| 1-636-334-#### | Pacific | Landline |
| 1-636-336-#### | Harvester | Landline |
| 1-636-337-#### | De Soto | Landline |
| 1-636-338-#### | Hawk Point | Landline |
| 1-636-343-#### | Fenton | Landline |
| 1-636-344-#### | Harvester | Landline |
| 1-636-345-#### | Harvester | Landline |
| 1-636-346-#### | Saint Louis | Wireless |
| 1-636-347-#### | Saint Charles | Wireless |
| 1-636-349-#### | Fenton | Landline |
| 1-636-352-#### | Saint Charles | Landline |
| 1-636-355-#### | Foley | Landline |
| 1-636-356-#### | Moscow Mills | Landline |
| 1-636-357-#### | Wentzville | Wireless |
| 1-636-358-#### | Troy | Wireless |
| 1-636-359-#### | Warrenton | Wireless |
| 1-636-362-#### | Weldon Spring | Landline |
| 1-636-363-#### | Maxville | Wireless |
| 1-636-364-#### | Saint Clair | Landline |
| 1-636-366-#### | Moscow Mills | Landline |
| 1-636-368-#### | Chesterfield | Landline |
| 1-636-373-#### | Earth City | Wireless |
| 1-636-375-#### | High Ridge | Landline |
| 1-636-376-#### | High Ridge | Landline |
| 1-636-377-#### | Warrenton | Landline |
| 1-636-379-#### | O Fallon | Landline |
| 1-636-383-#### | Unknown | |
| 1-636-384-#### | Wright City | Wireless |
| 1-636-385-#### | O Fallon | Landline |
| 1-636-386-#### | Manchester | Landline |
| 1-636-387-#### | St Peters | Landline |
| 1-636-388-#### | Union | Landline |
| 1-636-390-#### | Washington | Landline |
| 1-636-391-#### | Manchester | Landline |
| 1-636-392-#### | Washington | Landline |
| 1-636-393-#### | Pacific | Landline |
| 1-636-394-#### | Manchester | Landline |
| 1-636-395-#### | Earth City | Landline |
| 1-636-397-#### | St Peters | Landline |
| 1-636-398-#### | Defiance | Landline |
| 1-636-399-#### | Manchester | Wireless |
| 1-636-400-#### | Portage Des Sioux | Landline |
| 1-636-402-#### | Gray Summit | Landline |
| 1-636-403-#### | Harvester | Wireless |
| 1-636-405-#### | Pond | Landline |
| 1-636-410-#### | Earth City | Landline |
| 1-636-412-#### | Valley Park | Landline |
| 1-636-422-#### | Pond | Landline |
| 1-636-425-#### | Portage Des Sioux | Landline |
| 1-636-426-#### | Portage Des Sioux | Wireless |
| 1-636-429-#### | Eureka | Landline |
| 1-636-431-#### | Valley Park | Landline |
| 1-636-432-#### | Washington | Landline |
| 1-636-433-#### | Marthasville | Landline |
| 1-636-434-#### | Portage Des Sioux | Landline |
| 1-636-435-#### | Valley Park | Landline |
| 1-636-438-#### | Manchester | Landline |
| 1-636-439-#### | O Fallon | Wireless |
| 1-636-441-#### | Harvester | Landline |
| 1-636-442-#### | Harvester | Landline |
| 1-636-443-#### | Saint Charles | Landline |
| 1-636-444-#### | Maryland Heights | Landline |
| 1-636-445-#### | Wentzville | Landline |
| 1-636-447-#### | Harvester | Landline |
| 1-636-448-#### | Saint Charles | Wireless |
| 1-636-449-#### | Ladue | Landline |
| 1-636-451-#### | Gray Summit | Landline |
| 1-636-452-#### | Fletcher | Landline |
| 1-636-456-#### | Warrenton | Landline |
| 1-636-458-#### | Pond | Landline |
| 1-636-459-#### | Foristell | Wireless |
| 1-636-461-#### | Imperial | Landline |
| 1-636-462-#### | Troy | Landline |
| 1-636-463-#### | Foristell | Landline |
| 1-636-464-#### | Imperial | Landline |
| 1-636-465-#### | Crystal City | Landline |
| 1-636-466-#### | Wentzville | Wireless |
| 1-636-467-#### | Imperial | Landline |
| 1-636-474-#### | Saint Peters | Landline |
| 1-636-475-#### | Herculaneum | Landline |
| 1-636-477-#### | Harvester | Landline |
| 1-636-479-#### | Herculaneum | Landline |
| 1-636-481-#### | Hillsboro | Landline |
| 1-636-482-#### | Augusta | Landline |
| 1-636-484-#### | Manchester | Wireless |
| 1-636-485-#### | St Peters | Wireless |
| 1-636-486-#### | Harvester | Landline |
| 1-636-487-#### | Saint Charles | Landline |
| 1-636-488-#### | Jonesburg | Landline |
| 1-636-489-#### | Chesterfield | Landline |
| 1-636-492-#### | Fenton | Landline |
| 1-636-493-#### | Earth City | Landline |
| 1-636-495-#### | High Ridge | Landline |
| 1-636-496-#### | Fenton | Landline |
| 1-636-497-#### | Wentzville | Wireless |
| 1-636-498-#### | Harvester | Landline |
| 1-636-500-#### | Imperial | Landline |
| 1-636-515-#### | O Fallon | Wireless |
| 1-636-517-#### | Valley Park | Landline |
| 1-636-519-#### | Chesterfield | Landline |
| 1-636-524-#### | Crystal City | Landline |
| 1-636-525-#### | Imperial | Landline |
| 1-636-527-#### | Manchester | Landline |
| 1-636-528-#### | Troy | Landline |
| 1-636-529-#### | Valley Park | Landline |
| 1-636-530-#### | Chesterfield | Landline |
| 1-636-532-#### | Chesterfield | Landline |
| 1-636-533-#### | Fenton | Landline |
| 1-636-534-#### | Chesterfield | Landline |
| 1-636-536-#### | Chesterfield | Landline |
| 1-636-537-#### | Chesterfield | Landline |
| 1-636-538-#### | Wentzville | Wireless |
| 1-636-541-#### | Saint Charles | Wireless |
| 1-636-542-#### | O Fallon | Landline |
| 1-636-543-#### | Crystal City | Landline |
| 1-636-544-#### | O Fallon | Wireless |
| 1-636-547-#### | Imperial | Landline |
| 1-636-548-#### | Maxville | Landline |
| 1-636-549-#### | Eureka | Landline |
| 1-636-551-#### | Cedar Hill | Wireless |
| 1-636-552-#### | Manchester | Landline |
| 1-636-556-#### | Saint Ann | Landline |
| 1-636-557-#### | Manchester | Landline |
| 1-636-561-#### | Dardenne | Landline |
| 1-636-565-#### | De Soto | Landline |
| 1-636-566-#### | Winfield | Landline |
| 1-636-573-#### | Saint Charles | Landline |
| 1-636-574-#### | Saint Charles | Wireless |
| 1-636-575-#### | High Ridge | Wireless |
| 1-636-577-#### | St Peters | Wireless |
| 1-636-578-#### | Saint Louis | Wireless |
| 1-636-579-#### | Chesterfield | Wireless |
| 1-636-582-#### | Union | Landline |
| 1-636-583-#### | Union | Landline |
| 1-636-584-#### | Union | Landline |
| 1-636-585-#### | High Hill | Landline |
| 1-636-586-#### | De Soto | Landline |
| 1-636-587-#### | Eureka | Landline |
| 1-636-590-#### | Saint Ann | Landline |
| 1-636-591-#### | Manchester | Landline |
| 1-636-594-#### | Manchester | Landline |
| 1-636-597-#### | Truxton | Landline |
| 1-636-600-#### | Maryland Heights | Landline |
| 1-636-614-#### | O Fallon | Landline |
| 1-636-625-#### | Dardenne | Landline |
| 1-636-627-#### | Creve Coeur | Landline |
| 1-636-628-#### | Saint Ann | Landline |
| 1-636-629-#### | Saint Clair | Landline |
| 1-636-633-#### | Imperial | Wireless |
| 1-636-634-#### | Saint Ann | Landline |
| 1-636-638-#### | Crystal City | Landline |
| 1-636-639-#### | Wentzville | Landline |
| 1-636-642-#### | Imperial | Landline |
| 1-636-648-#### | Saint Ann | Landline |
| 1-636-649-#### | Union | Wireless |
| 1-636-651-#### | Saint Louis | Landline |
| 1-636-660-#### | Fenton | Landline |
| 1-636-661-#### | Old Monroe | Landline |
| 1-636-662-#### | Foley | Landline |
| 1-636-665-#### | Old Monroe | Landline |
| 1-636-667-#### | Washington | Wireless |
| 1-636-668-#### | Winfield | Landline |
| 1-636-669-#### | Saint Charles | Landline |
| 1-636-671-#### | House Springs | Landline |
| 1-636-673-#### | Foristell | Landline |
| 1-636-674-#### | House Springs | Landline |
| 1-636-675-#### | Chesterfield | Wireless |
| 1-636-677-#### | High Ridge | Landline |
| 1-636-678-#### | Fenton | Landline |
| 1-636-679-#### | Wentzville | Wireless |
| 1-636-680-#### | Ladue | Landline |
| 1-636-681-#### | Saint Louis | Landline |
| 1-636-685-#### | Saint Louis | Landline |
| 1-636-686-#### | Saint Louis | Landline |
| 1-636-688-#### | Saint Louis | Landline |
| 1-636-689-#### | Saint Louis | Landline |
| 1-636-692-#### | High Ridge | Landline |
| 1-636-695-#### | Dardenne | Landline |
| 1-636-696-#### | O Fallon | Landline |
| 1-636-697-#### | Saint Louis | Landline |
| 1-636-698-#### | Wentzville | Landline |
| 1-636-699-#### | Maryland Heights | Landline |
| 1-636-701-#### | Manchester | Wireless |
| 1-636-706-#### | Wentzville | Landline |
| 1-636-707-#### | Cedar Hill | Landline |
| 1-636-717-#### | Fenton | Landline |
| 1-636-720-#### | Ladue | Landline |
| 1-636-722-#### | Weldon Spring | Landline |
| 1-636-723-#### | Saint Charles | Landline |
| 1-636-724-#### | Saint Charles | Landline |
| 1-636-725-#### | Crystal City | Landline |
| 1-636-728-#### | Chesterfield | Landline |
| 1-636-730-#### | Chesterfield | Landline |
| 1-636-733-#### | Chesterfield | Landline |
| 1-636-734-#### | Saint Louis | Wireless |
| 1-636-735-#### | Chesterfield | Landline |
| 1-636-736-#### | Chesterfield | Landline |
| 1-636-737-#### | Chesterfield | Landline |
| 1-636-741-#### | Imperial | Landline |
| 1-636-742-#### | Gray Summit | Landline |
| 1-636-744-#### | Union | Landline |
| 1-636-745-#### | Wright City | Landline |
| 1-636-748-#### | Cedar Hill | Landline |
| 1-636-751-#### | Manchester | Wireless |
| 1-636-753-#### | Portage Des Sioux | Landline |
| 1-636-754-#### | Earth City | Landline |
| 1-636-755-#### | Dardenne | Landline |
| 1-636-757-#### | Ladue | Landline |
| 1-636-764-#### | Fenton | Landline |
| 1-636-773-#### | Saint Charles | Landline |
| 1-636-775-#### | Troy | Landline |
| 1-636-777-#### | Maryland Heights | Landline |
| 1-636-778-#### | Chesterfield | Landline |
| 1-636-779-#### | Ladue | Landline |
| 1-636-782-#### | Marthasville | Landline |
| 1-636-787-#### | Chesterfield | Landline |
| 1-636-789-#### | Hillsboro | Landline |
| 1-636-791-#### | Wright City | Landline |
| 1-636-793-#### | Harvester | Landline |
| 1-636-794-#### | Harvester | Landline |
| 1-636-795-#### | Saint Charles | Wireless |
| 1-636-797-#### | Hillsboro | Landline |
| 1-636-798-#### | Defiance | Landline |
| 1-636-812-#### | Chesterfield | Landline |
| 1-636-821-#### | Pond | Landline |
| 1-636-825-#### | Valley Park | Landline |
| 1-636-827-#### | Valley Park | Landline |
| 1-636-828-#### | Defiance | Landline |
| 1-636-841-#### | Wentzville | Wireless |
| 1-636-851-#### | Harvester | Landline |
| 1-636-856-#### | Wentzville | Landline |
| 1-636-861-#### | Valley Park | Landline |
| 1-636-866-#### | Saint Charles | Landline |
| 1-636-875-#### | St Peters | Landline |
| 1-636-887-#### | Wentzville | Landline |
| 1-636-888-#### | Saint Clair | Landline |
| 1-636-891-#### | Manchester | Landline |
| 1-636-893-#### | Saint Louis | Landline |
| 1-636-896-#### | Saint Charles | Landline |
| 1-636-898-#### | Chesterfield | Landline |
| 1-636-899-#### | Portage Des Sioux | Landline |
| 1-636-916-#### | Saint Charles | Landline |
| 1-636-922-#### | Harvester | Landline |
| 1-636-923-#### | Ladue | Landline |
| 1-636-925-#### | Saint Charles | Landline |
| 1-636-926-#### | Harvester | Landline |
| 1-636-928-#### | Harvester | Landline |
| 1-636-931-#### | Crystal City | Landline |
| 1-636-932-#### | New Haven | Landline |
| 1-636-933-#### | Crystal City | Landline |
| 1-636-936-#### | Harvester | Landline |
| 1-636-937-#### | Crystal City | Landline |
| 1-636-938-#### | Eureka | Landline |
| 1-636-939-#### | Harvester | Landline |
| 1-636-940-#### | Saint Charles | Landline |
| 1-636-942-#### | Antonia | Landline |
| 1-636-944-#### | Fletcher | Landline |
| 1-636-946-#### | Saint Charles | Landline |
| 1-636-947-#### | Saint Charles | Landline |
| 1-636-948-#### | Antonia | Landline |
| 1-636-949-#### | Saint Charles | Landline |
| 1-636-970-#### | St Peters | Landline |
| 1-636-978-#### | O Fallon | Landline |
| 1-636-980-#### | O Fallon | Landline |
| 1-636-987-#### | Defiance | Landline |
SPONSORED
About Area Code 636
Area code 636 is assigned to the geographic numbering plan serving O'Fallon, Missouri.
Use the directory table to navigate through central office prefixes and explore individual telephone lines.