Area code 423 is a telephone area code in the North American Numbering Plan for the U.S. state of Tennessee. It comprises two disconnected areas of East ...
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Area code 423 is in Eastern Standard Time. Its major county is Hamilton County, TN which has an unemployment rate of 7.1%. In Chattanooga, the average household ...
Area code 423 is an area code that covers Eastern Tennessee, except Knoxville and its surrounding areas. Tennessee has area codes of 423, 615, 731, 865, ...