GREENEVILLE, Tenn. (WJHL) – Population growth in East Tennessee has required the state to add an additional area code to the current 423 area code. “The North American Numbering Plan administrator ...
Tennessee's newest area code will be in service in March. The 729 area code will be added to the existing 423 area code zone centered around Johnson City and Bristol to the north and Chattanooga to ...
Colorado’s familiar area code for mountain towns has some new company. As of July 7, the region now has a second area code, 748, which will overlap with the existing 970 code that encompasses much of ...
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