Zip Area Code

Palmer, Tennessee

Palmer, Tennessee, in Grundy County, has ZIP code 37365 and area code 423, with 729 as an overlay.

ZIP code
37365
Area codes
423, 729
Coordinates
35.3741, -85.5643

ZIP codes in Palmer

ZIP codePost officeCountyArea codes
37365PalmerGrundy County423, 729

Area codes for Palmer

  • 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 Palmer