Fenton, Missouri Area Code
Fenton, MO Area Codes are
Fenton, MO is officially utilizing one area code which is area code 636.
In addition to Fenton, MO area code information read more about area code 636 details and Missouri area codes.
Fenton, MO is located in Saint Louis County and observes the Central Time Zone.
View our Times by Area Code tool.
Area Codes Look Up By State and City
Area Codes Look Up in Surrounding Places