Area Code Lookup
What Area Code Is San Antonio?
2 area codes serve San Antonio · Texas
San Antonio is served by area codes 210, 726. It is located in Texas.
Area Codes Serving San Antonio
Frequently Asked Questions
What area code is San Antonio?
San Antonio is served by area codes 210, 726. It is located in Texas.
Why does San Antonio 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 Antonio now has 2 area codes — 210 and 726 — covering the same or overlapping areas.
How do I call San Antonio from outside the US?
To call San Antonio from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-210-XXX-XXXX). The +1 is the country code for all NANPA countries.