Zip Area Code

Oakdale, Pennsylvania

Oakdale, Pennsylvania, in Allegheny County, has ZIP code 15071 and area code 412, with 878 as an overlay.

ZIP code
15071
Area codes
412, 878
Time zone
Eastern Time
Coordinates
40.4033, -80.1842

ZIP codes in Oakdale

ZIP codePost officeCountyArea codes
15071OakdaleAllegheny County412, 878

Area codes for Oakdale

  • 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

Oakdale is in the Eastern Time zone.

Towns near Oakdale