Area Code Lookup
What Area Code Is Folsom?
2 area codes serve Folsom
Folsom is served by area codes 916, 985. It spans California and Louisiana.
Area Codes Serving Folsom
Frequently Asked Questions
What area code is Folsom?
Folsom is served by area codes 916, 985.
Why does Folsom 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). Folsom now has 2 area codes — 916 and 985 — covering the same or overlapping areas.
How do I call Folsom from outside the US?
To call Folsom from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-916-XXX-XXXX). The +1 is the country code for all NANPA countries.