Area Code Lookup
What Area Code Is Fairfax?
Area code 660 · Missouri
Fairfax uses area code 660. It is located in Missouri.
Area Code Serving Fairfax
Frequently Asked Questions
What area code is Fairfax?
Fairfax uses area code 660. It is located in Missouri.
How do I call Fairfax from outside the US?
To call Fairfax from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-660-XXX-XXXX). The +1 is the country code for all NANPA countries.