Zip Area Code

South Mountain, Pennsylvania

South Mountain, Pennsylvania, in Franklin County, has ZIP code 17261 and area code 717, with 223 as an overlay.

ZIP code
17261
Area codes
717, 223
Time zone
Eastern Time
Coordinates
39.8465, -77.4878

ZIP codes in South Mountain

ZIP codePost officeCountyArea codes
17261South MountainFranklin County717, 223

Area codes for South Mountain

  • Area code 717

    In service since 1947. Shares its area with 223. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 223

    In service since September 26, 2017. Shares its area with 717. 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.

Time zone

South Mountain is in the Eastern Time zone.

Towns near South Mountain