What are the Union Dale, Pennsylvania Zip Codes for 2020, 2019Primary Zip Codes for Union DaleZip CodePrimary CitySecondary City18470Union DaleUnion Dale, Clifford Township, Clifford TwpCities sharing Zip Codes with Union DaleZip CodePrimary CitySecondary CityMore Information18470Union DaleClifford Township18470Union DaleClifford TwpAdvertisements