Area Code Lookup
What Area Code Is Knoxville?
2 area codes serve Knoxville
Knoxville is served by area codes 641, 865. It spans Iowa and Tennessee.
Area Codes Serving Knoxville
Frequently Asked Questions
What area code is Knoxville?
Knoxville is served by area codes 641, 865.
Why does Knoxville 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). Knoxville now has 2 area codes — 641 and 865 — covering the same or overlapping areas.
How do I call Knoxville from outside the US?
To call Knoxville from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-641-XXX-XXXX). The +1 is the country code for all NANPA countries.