Area Code Lookup
What Area Code Is Sheridan?
3 area codes serve Sheridan
Sheridan is served by area codes 307, 463, 870. It spans Wyoming and Indiana and Arkansas.
Area Codes Serving Sheridan
Frequently Asked Questions
What area code is Sheridan?
Sheridan is served by area codes 307, 463, 870.
Why does Sheridan 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). Sheridan now has 3 area codes — 307 and 463 and 870 — covering the same or overlapping areas.
How do I call Sheridan from outside the US?
To call Sheridan from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-307-XXX-XXXX). The +1 is the country code for all NANPA countries.