Area codes in Knoxville, Tennessee
Knoxville, Tennessee uses area code 865. The main Knoxville area code is 865.
Area codes serving Knoxville
All Tennessee area codes · Is a Knoxville call a scam?
Nearby cities
- Maryville area codes
- Morristown area codes
- Asheville area codes
- Kingsport area codes
- Cookeville area codes
- Johnson City area codes
- Chattanooga area codes
- Dalton area codes
Sourced from the official NANPA (North American Numbering Plan Administrator) numbering database, current as of June 20, 2026. Refreshed monthly.