Zip Area Code

Greeneville, Tennessee

Greeneville, Tennessee, in Greene County, has ZIP codes 37743, 37744 and 37745 and area code 423, with 729 as an overlay.

ZIP codes
37743, 37744, 37745
Area codes
423, 729
Coordinates
36.1818, -82.8493

ZIP codes in Greeneville

ZIP codePost officeCountyArea codes
37743GreenevilleGreene County423, 729
37744*GreenevilleGreene County423, 729
37745GreenevilleGreene County423, 729

* No mapped delivery area: P.O. boxes or a single organization. Area codes are those of the nearest ZIP code area.

Area codes for Greeneville

  • 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 Greeneville