Knoxville, Tennessee Area Code

Knoxville, TN Area Codes are

Knoxville, TN is officially utilizing one area code which is area code 865.

In addition to Knoxville, TN area code information read more about area code 865 details and Tennessee area codes.

Knoxville, TN is located in Knox County and observes the Eastern Time Zone. View our Times by Area Code tool.

Tennessee Area Code Map