Area Code Lookup
What Area Code Is San Luis Obispo?
Area code 805 · California
San Luis Obispo uses area code 805. It is located in California.
Area Code Serving San Luis Obispo
Frequently Asked Questions
What area code is San Luis Obispo?
San Luis Obispo uses area code 805. It is located in California.
How do I call San Luis Obispo from outside the US?
To call San Luis Obispo from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-805-XXX-XXXX). The +1 is the country code for all NANPA countries.