Area Code Lookup
What Area Code Is Napa?
Area code 707 · California
Napa uses area code 707. It is located in California.
Area Code Serving Napa
Frequently Asked Questions
What area code is Napa?
Napa uses area code 707. It is located in California.
How do I call Napa from outside the US?
To call Napa from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-707-XXX-XXXX). The +1 is the country code for all NANPA countries.