Area code 636 - Wikipedia Area code 636 is a telephone area code in North American Numbering Plan (NANP) for the east-central part of the U S state of Missouri, comprising mainly the western suburbs of St Louis
Area Code 636 phone numbers - Whitepages Browse area code 636 phone numbers, prefixes and exchanges The 636 area code serves Saint Louis, Maryland Heights, Hazelwood, Saint Charles, O Fallon, covering 51 ZIP codes in 8 counties
636 area code — information, time zone, map 636 is an area code located in the state of Missouri, US The largest city it serves is O'Fallon Find out where 636 area code zone from, which states, counties and cities it covers Get the most exact information on time zones here
636 Area Code ☎️ Location, Time Zone Phone . . . - Anywho The 636 Area Code is located in the state of Missouri Area Code 636 is one of the 269 three-digit telephone area codes in the USA It covers roughly 4,229,778 unique phone numbers and 596,977 individuals near Saint Charles, Chesterfield, and O Fallon