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.
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