What are the East Smithfield, Pennsylvania Zip Codes for 2020, 2019Primary Zip Codes for East SmithfieldZip CodePrimary CitySecondary City18817East SmithfieldE SmithfieldCities sharing Zip Codes with East SmithfieldZip CodePrimary CitySecondary CityMore Information18817East SmithfieldE SmithfieldAdvertisements