Zip Area Code

Jefferson, Pennsylvania

Jefferson, Pennsylvania, in Greene County, has ZIP code 15344 and area code 724, with 878 as an overlay.

ZIP code
15344
Area codes
724, 878
Time zone
Eastern Time
Coordinates
39.9334, -80.0503

ZIP codes in Jefferson

ZIP codePost officeCountyArea codes
15344JeffersonGreene County724, 878

Area codes for Jefferson

  • Area code 724

    In service since February 1, 1998. Shares its area with 878. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 878

    In service since August 17, 2001. Shares its area with 412 and 724. 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

Jefferson is in the Eastern Time zone.

Towns near Jefferson