Zip Area Code

Gruetli Laager, Tennessee

Gruetli Laager, Tennessee, in Grundy County, has ZIP code 37339 and area code 423, with 729 as an overlay.

ZIP code
37339
Area codes
423, 729
Coordinates
35.3723, -85.6180

ZIP codes in Gruetli Laager

ZIP codePost officeCountyArea codes
37339Gruetli LaagerGrundy County423, 729

Area codes for Gruetli Laager

  • 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 codes here are matched from telephone rate centers, so a place near a boundary can have local numbers from either side of it.

Towns near Gruetli Laager