Area Code Lookup
What Area Code Is Palo Alto?
Area code 650 · California
Palo Alto uses area code 650. It is located in California.
Area Code Serving Palo Alto
Frequently Asked Questions
What area code is Palo Alto?
Palo Alto uses area code 650. It is located in California.
How do I call Palo Alto from outside the US?
To call Palo Alto from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-650-XXX-XXXX). The +1 is the country code for all NANPA countries.