Area Code Lookup
What Area Code Is Martinez?
Area code 925 · California
Martinez uses area code 925. It is located in California.
Area Code Serving Martinez
Frequently Asked Questions
What area code is Martinez?
Martinez uses area code 925. It is located in California.
How do I call Martinez from outside the US?
To call Martinez from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-925-XXX-XXXX). The +1 is the country code for all NANPA countries.