What are the Upper Gwynedd, Pennsylvania Zip Codes for 2020, 2019Primary Zip Codes for Upper GwyneddZip CodePrimary CitySecondary City19446LansdaleUpper GwyneddCities sharing Zip Codes with Upper GwyneddZip CodePrimary CitySecondary CityMore Information19446LansdaleUpper GwyneddAdvertisements