Zip Area Code

White Oak, Pennsylvania

No ZIP code carries the name of White Oak, Pennsylvania, in Allegheny County; the nearest ZIP codes are 15047, 15131 and 15132, in area code 412, with 878 as an overlay.

Nearest ZIP
15047, 15131, 15132
Area codes
412, 878
Time zone
Eastern Time
Coordinates
40.3388, -79.7961

Nearest ZIP codes to White Oak

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

ZIP codePost officeCountyArea codes
15047GreenockAllegheny County412, 878
15131MckeesportAllegheny County412, 878
15132MckeesportAllegheny County412, 878

Area codes for White Oak

  • Area code 412

    In service since 1947. 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

White Oak is in the Eastern Time zone.

Towns near White Oak