Zip Area Code

Shady Valley, Tennessee

Shady Valley, Tennessee, in Johnson County, has ZIP code 37688 and area code 423, with 729 as an overlay.

ZIP code
37688
Area codes
423, 729
Coordinates
36.5272, -81.9068

ZIP codes in Shady Valley

ZIP codePost officeCountyArea codes
37688Shady ValleyJohnson County423, 729

Area codes for Shady Valley

  • 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 Shady Valley