Zip Area Code

DeKalb County, Tennessee

DeKalb County, Tennessee, has 4 towns and 4 ZIP codes, in area code 615, with 629 as an overlay.

Towns in DeKalb County, A to Z

TownZIP codesArea codes
Alexandria37012615, 629
Dowelltown37059615, 629
Liberty37095615, 629
Smithville37166615, 629

ZIP codes in DeKalb County

Area codes in DeKalb County

  • Area code 615

    In service since 1954. Shares its area with 629. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 629

    In service since March 28, 2015. Shares its area with 615. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.