What are the Summit Grove, Indiana Zip Codes for 2020, 2019Primary Zip Codes for Summit GroveZip CodePrimary CitySecondary City47842ClintonSummit Grove, Fairview Park, Centenary, Crompton Hill, Jacksonville, Jonestown, Sandytown, SyndicateCities sharing Zip Codes with Summit GroveZip CodePrimary CitySecondary CityMore Information47842ClintonCentenary47842ClintonCrompton Hill47842ClintonJacksonville47842ClintonJonestown47842ClintonSandytown47842ClintonSummit Grove47842ClintonSyndicate47842ClintonFairview Park Fairview Park population stats Advertisements