Area code lookup
What area code is 636?
Here's everything about it.
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Caller ID · NPA-NXX-XXXXLive
Area code
636
Location
St. Charles, MO
Local time
--:--:-- --
St. Charles
636 at a glance
SummaryState
Missouri
Time zone
Central (CT)
UTC offset
UTC−6 / −5 DST
Observes DST
Yes
Country
United States
Cities served by 636
St. CharlesSt. Charles
Where 636 sits on the map
No overlayCoverage area
About the 636 region
636 covers St. Charles in Missouri. It currently has no overlay code, so seven-digit dialing may still be possible within the region.
Who called me from 636?
Community reportsNo community reports for 636 numbers yet. Be the first to report one.
Got a call from 636 that isn't listed?
Frequently asked questions
FAQWhat area code is 636?+–
636 is a telephone area code serving St. Charles in Missouri, United States.
Where is area code 636 located?+–
It covers St. Charles in Missouri.
What time zone is 636?+–
636 observes Central (CT), which is UTC−6 / −5 DST and follows daylight saving time.
Can I get a 636 phone number?+–
Yes — most mobile carriers and VoIP providers let you request a 636 number regardless of where you physically live.