Area Code Lookup
What Area Code Is Half Moon Bay?
Area code 650 · California
Half Moon Bay uses area code 650. It is located in California.
Area Code Serving Half Moon Bay
Frequently Asked Questions
What area code is Half Moon Bay?
Half Moon Bay uses area code 650. It is located in California.
How do I call Half Moon Bay from outside the US?
To call Half Moon Bay 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.