Zip Area Code

Karns, Pennsylvania

No ZIP code carries the name of Karns, Pennsylvania, in Butler County; the nearest ZIP codes are 16022, 16041 and 16050, in area code 724, with 878 as an overlay.

Nearest ZIP
16022, 16041, 16050
Area codes
724, 878
Time zone
Eastern Time
Coordinates
40.9970, -79.7264

Nearest ZIP codes to Karns

These are the ZIP codes nearest to Karns, each listed with the post office it is named after.

ZIP codePost officeCountyArea codes
16022BruinButler County724, 878
16041Karns CityButler County724, 878
16050PetroliaButler County724, 878

Area codes for Karns

  • 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

Karns is in the Eastern Time zone.

Towns near Karns