O'fallon, Missouri Area Code (United States)
Local time in O'fallon, Missouri

O'fallon, Missouri Area Code

Area code for O'fallon, Missouri, United States: 636 • Click on number to see if there are other places in our database with same area code.
International calling code for United States is: 1

How to Dial?

Calling from Calling to Dialing example  
Abroad* O'fallon, Missouri +1 636 [Local number]**
United States*** O'fallon, Missouri (1+)636 [Local number]
United States Abroad 011 [Country Code] [Area Code] [Local number]

Local time in O'fallon, Missouri (in moment when this page is generated):
Saturday, 2024-12-21, 09:55 Difference to Greenwich time (GMT) in hours: -06:00 (CST time zone).

Comment: Some data may change in meantime. Read more on Disclaimer page.
*Some countries have different international call prefix. Find Your country on our site for more details.
**Many phones have international call prefix list, but they show only a plus sign (+).
***Dialing from United States but outside of area code 636