Area Code Lookup
What Area Code Is Fontana?
Area code 909 · California
Fontana uses area code 909. It is located in California.
Area Code Serving Fontana
Frequently Asked Questions
What area code is Fontana?
Fontana uses area code 909. It is located in California.
How do I call Fontana from outside the US?
To call Fontana from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-909-XXX-XXXX). The +1 is the country code for all NANPA countries.