What are the Clifton Twp, Pennsylvania Zip Codes for 2020, 2019Primary Zip Codes for Clifton TwpZip CodePrimary CitySecondary City18424GouldsboroClifton Twp, Moscow, Clifton, Clifton Township, Covington Township, Covington Twp, ThornhurstCities sharing Zip Codes with Clifton TwpZip CodePrimary CitySecondary CityMore Information18424GouldsboroClifton18424GouldsboroClifton Township18424GouldsboroClifton Twp18424GouldsboroCovington Township18424GouldsboroCovington Twp18424GouldsboroThornhurst18424GouldsboroMoscowAdvertisements