Johnson City, Tennessee Area Code
Johnson City, TN Area Codes are
Johnson City, TN is officially utilizing one area code which is area code 423.
In addition to Johnson City, TN area code information read more about area code 423 details and Tennessee area codes.
Johnson City, TN is located in Washington County and observes the Eastern Time Zone. View our Times by Area Code tool.
Select Any Tennessee City or Town Alphabetically
Area Codes Look Up By State and City
Area Codes Look Up in Surrounding Places
