Area Code Lookup
What Area Code Is Pleasanton?
2 area codes serve Pleasanton
Pleasanton is served by area codes 830, 925. It spans Texas and California.
Area Codes Serving Pleasanton
Frequently Asked Questions
What area code is Pleasanton?
Pleasanton is served by area codes 830, 925.
Why does Pleasanton 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). Pleasanton now has 2 area codes — 830 and 925 — covering the same or overlapping areas.
How do I call Pleasanton from outside the US?
To call Pleasanton from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-830-XXX-XXXX). The +1 is the country code for all NANPA countries.