Chattanooga, Tennessee Area Code

Chattanooga, TN Area Codes are

Chattanooga, TN is currently using one area code which is area code 423.

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

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

Tennessee Area Code Map

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