What are the Upper Hill, Maryland Zip Codes for 2020, 2019Primary Zip Codes for Upper HillZip CodePrimary CitySecondary City21867Upper FairmountUpper Hill, Upper Fairmt, FairmountCities sharing Zip Codes with Upper HillZip CodePrimary CitySecondary CityMore Information21867Upper FairmountUpper Fairmt21867Upper FairmountUpper Hill21867Upper FairmountFairmount Fairmount population stats Advertisements