Area Code Lookup
What Area Code Is Fenton?
Area code 636 · Missouri
Fenton uses area code 636. It is located in Missouri.
Area Code Serving Fenton
Frequently Asked Questions
What area code is Fenton?
Fenton uses area code 636. It is located in Missouri.
How do I call Fenton from outside the US?
To call Fenton from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-636-XXX-XXXX). The +1 is the country code for all NANPA countries.