Kingsport, Tennessee Area Code

Kingsport, TN Area Codes are

Kingsport, TN is officially utilizing one area code which is area code 423.

In addition to Kingsport, TN area code information read more about area code 423 details and Tennessee area codes.

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

Tennessee Area Code Map