Area Code Lookup
What Area Code Is San Jose?
2 area codes serve San Jose · California
San Jose is served by area codes 408, 669. It is located in California.
Area Codes Serving San Jose
Frequently Asked Questions
What area code is San Jose?
San Jose is served by area codes 408, 669. It is located in California.
Why does San Jose have multiple area codes?
As demand for phone numbers increased, NANPA added area codes through splits (dividing the region) or overlays (layering a new code over the same geography). San Jose now has 2 area codes — 408 and 669 — covering the same or overlapping areas.
How do I call San Jose from outside the US?
To call San Jose from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-408-XXX-XXXX). The +1 is the country code for all NANPA countries.