423 Area Code Data

Area code 423 has a total estimated population of 1,304,585 people and covers the following localities in Tennessee:

  • Apison
  • Athens
  • Benton
  • Blountville
  • Bluff City
  • Bristol
  • Bulls Gap
  • Butler
  • Charleston
  • Chattanooga
  • Church Hill
  • Cleveland
  • Coker Creek
  • Collegedale
  • Copperhill
  • Dayton
  • Decatur
  • Deer Lodge
  • Elizabethton
  • Englewood
  • Erwin
  • Etowah
  • Fall Branch
  • Greeneville
  • Hampton
  • Hartford
  • Huntsville
  • Jasper
  • Jellico
  • Johnson City
  • Jonesborough
  • Kingsport
  • La Follette
  • Limestone
  • Madisonville
  • Middlesboro
  • Morristown
  • Mosheim
  • Mountain City
  • New Tazewell
  • Newport
  • Niota
  • Oakdale
  • Oneida
  • Ooltewah
  • Petros
  • Pikeville
  • Riceville
  • Roan Mountain
  • Robbins
  • Rossville
  • Shady Valley
  • Signal Mountain
  • Sneedville
  • South Pittsburg
  • Spring City
  • Sunbright
  • Surgoinsville
  • Sweetwater
  • Tellico Plains
  • Townsend
  • Vonore
  • Whitwell

The (423) area code is comprised of 567 unique phone exchanges: