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Area Code 423

Area code 423 is located in Hamblen. That is the approximate area that is served by this exchange.

Are code 423 - Cities, Neighborhoods and local features

  • Morristown
  • La Follette
  • Johnson City
  • Memphis
  • Knoxville
  • Kingsport
  • Chattanooga
  • Tellico Plains
  • Blountville
  • Elizabethton
  • Englewood

Area code currently contains 657 valid local exchanges. Click an exchange below to get more information about the supported thousands digit of the phone number.

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