Zip Area Code

Bristol, Tennessee

Bristol, Tennessee, in Sullivan County, has ZIP codes 37620, 37621 and 37625 and area code 423, with 729 as an overlay.

ZIP codes
37620, 37621, 37625
Area codes
423, 729
Coordinates
36.5560, -82.2117

ZIP codes in Bristol

ZIP codePost officeCountyArea codes
37620BristolSullivan County423, 729
37621*BristolSullivan County423, 729
37625*BristolSullivan 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 Bristol

  • 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 Bristol