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Where is the 423 area code?
What area code is 423 in TX?
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Where is 423 area code overlay?
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 ...
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 ...