Zip Area Code

Dunlap, Tennessee

Dunlap, Tennessee, in Sequatchie County, has ZIP code 37327 and area code 423, with 729 as an overlay.

ZIP code
37327
Area codes
423, 729
Coordinates
35.3842, -85.3925

ZIP codes in Dunlap

ZIP codePost officeCountyArea codes
37327DunlapSequatchie County423, 729

Area codes for Dunlap

  • 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 Dunlap