Zip Area Code

Union County, Pennsylvania

Union County, Pennsylvania, has 13 towns and 12 ZIP codes, in area code 570, with 272 as an overlay.

Towns in Union County, A to Z

TownZIP codesArea codes
Hartleton17829570, 272
Laurelton17835570, 272
Lewisburg17837570, 272
Linntownnearest17837, 17850, 17886570, 272
Mifflinburg17844570, 272
Millmont17845570, 272
New Berlin17855570, 272
New Columbia17856570, 272
Swengel17880570, 272
Vicksburg17883570, 272
Weikert17885570, 272
West Milton17886570, 272
White Deer17887570, 272

ZIP codes in Union County

Area codes in Union County

  • Area code 570

    In service since December 5, 1998. Shares its area with 272. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 272

    In service since October 21, 2013. Shares its area with 570. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.