Lookup › Area code 865
865 Area Code — Knoxville, Tennessee
Area code 865 serves Knoxville, TN.
Most looked-up 865 numbers
- 865-630-4266
- 865-327-1558
- 865-321-3438
- 865-263-2387
- 865-406-3976
- 865-323-9532
- 865-265-4694
- 865-567-6010
- 865-966-0179
- 865-666-0217
Phone prefixes in 865
Carriers serving 865
- At&t (2 numbers)
- Verizon (2 numbers)
- Bandwidth (1 numbers)
- Telnyx, LLC (1 numbers)
- Vonage America, LLC (1 numbers)
- Powertel Nashville Licenses, I (1 numbers)
- Concord Telephone Exchange, In (1 numbers)
Frequently asked questions
Where is area code 865?
Area code 865 serves Knoxville, TN.
What prefixes are in area code 865?
Phone2.io tracks 10 phone prefixes in area code 865, with carrier and spam-report data on individual numbers.
More about area code 865
Area code 865 overview, history, and local numbers · Get a TN phone number
Last updated: May 25, 2026