What are the Montgomery Twp, Pennsylvania Zip Codes for 2020, 2019Primary Zip Codes for Montgomery TwpZip CodePrimary CitySecondary City19454North WalesMontgomery Twp, GwyneddCities sharing Zip Codes with Montgomery TwpZip CodePrimary CitySecondary CityMore Information19454North WalesGwynedd19454North WalesMontgomery TwpAdvertisements