Area Code Lookup
What Area Code Is Dayton?
4 area codes serve Dayton
Dayton is served by area codes 326, 423, 936, 937. It spans Ohio and Tennessee and Texas.
Area Codes Serving Dayton
Frequently Asked Questions
What area code is Dayton?
Dayton is served by area codes 326, 423, 936, 937.
Why does Dayton 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). Dayton now has 4 area codes — 326 and 423 and 936 and 937 — covering the same or overlapping areas.
How do I call Dayton from outside the US?
To call Dayton from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-326-XXX-XXXX). The +1 is the country code for all NANPA countries.