Zip Area Code

Fentress County, Tennessee

Fentress County, Tennessee, has 5 towns and 5 ZIP codes, in area codes 423 (overlay 729) and 931.

Towns in Fentress County, A to Z

TownZIP codesArea codes
Allardt38504423, 729
Clarkrange38553423, 729
Grimsley38565423, 729
Jamestown38556423, 729
Wilder38589931

ZIP codes in Fentress County

Area codes in Fentress County

  • Area code 423

    In service since September 11, 1995. Shares its area with 729. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 729

    In service since September 5, 2025. Shares its area with 423. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 931

    In service since September 15, 1997. Local calls are dialed with seven digits.