What are the Gwynedd Valley, Pennsylvania Zip Codes for 2020, 2019Primary Zip Codes for Gwynedd ValleyZip CodePrimary CitySecondary City19437Gwynedd ValleyGwynedd VlyCities sharing Zip Codes with Gwynedd ValleyZip CodePrimary CitySecondary CityMore Information19437Gwynedd ValleyGwynedd VlyAdvertisements