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423 Area Code


The 111 central offices below make up area code (423) in Tennessee.


These exchanges encompass the following TN cities:

  • Bulls Gap
  • Madisonville
  • Cleveland
  • Collegedale
  • Chattanooga
  • Johnson City
  • Bluff City
  • La Follette
  • Elizabethton
  • Jellico
  • Dayton
  • Mountain City
  • Deer Lodge
  • Erwin
  • Kingsport
  • Hartford
  • Newport
  • Copperhill
  • Morristown
  • Limestone
  • Greeneville
  • Fall Branch
  • Coker Creek
  • Church Hill
  • Decatur
  • Hampton
  • Mosheim
  • Bristol
  • Athens
  • Spring City
  • Blountville
  • Jonesborough
  • Butler
  • Whitwell
  • Surgoinsville
  • Huntsville
  • Englewood
  • Niota
  • Jasper
  • Benton

Learn more: Area code 423 at Wikipedia



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