Area Code Lookup
What Area Code Is Torrance?
2 area codes serve Torrance · California
Torrance is served by area codes 310, 424. It is located in California.
Area Codes Serving Torrance
Frequently Asked Questions
What area code is Torrance?
Torrance is served by area codes 310, 424. It is located in California.
Why does Torrance 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). Torrance now has 2 area codes — 310 and 424 — covering the same or overlapping areas.
How do I call Torrance from outside the US?
To call Torrance from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-310-XXX-XXXX). The +1 is the country code for all NANPA countries.