Knox County · Tennessee
Knoxville, TN area codes and time zone
Quick answer
Knoxville is served by area code 865, keeps CST time (GMT-5), and sits in county FIPS 47093.
- Area code
- 865Within 25 miles of the city centre
- Time zone
- CSTAmerica/Chicago
- UTC offset
- GMT-5CDT in summer
- County FIPS
- 47093Knox County
Dialling from and to Knoxville
What this means when you pick up the phone.
Local calls inside 865 may still work on seven digits, but ten-digit dialling is the safe default everywhere in the country now. From abroad, dial +1 then the ten digits.
More on Knoxville
Other reference data for this city.