Area Code Lookup
What Area Code Is Porterville?
Area code 559 · California
Porterville uses area code 559. It is located in California.
Area Code Serving Porterville
Frequently Asked Questions
What area code is Porterville?
Porterville uses area code 559. It is located in California.
How do I call Porterville from outside the US?
To call Porterville from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-559-XXX-XXXX). The +1 is the country code for all NANPA countries.