What are the Ft Benjamin Harrison, Indiana Zip Codes for 2020, 2019Primary Zip Codes for Ft Benjamin HarrisonZip CodePrimary CitySecondary City46216IndianapolisFt Benjamin Harrison, Oaklandon,Cities sharing Zip Codes with Ft Benjamin HarrisonZip CodePrimary CitySecondary CityMore Information46216IndianapolisFt Benjamin Harrison46216IndianapolisOaklandonAdvertisements