Area Code Lookup
What Area Code Is Sherman?
2 area codes serve Sherman
Sherman is served by area codes 447, 903. It spans Illinois and Texas.
Area Codes Serving Sherman
Frequently Asked Questions
What area code is Sherman?
Sherman is served by area codes 447, 903.
Why does Sherman 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). Sherman now has 2 area codes — 447 and 903 — covering the same or overlapping areas.
How do I call Sherman from outside the US?
To call Sherman from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-447-XXX-XXXX). The +1 is the country code for all NANPA countries.