What are the Indian Island, Maine Zip Codes for 2020, 2019Primary Zip Codes for Indian IslandZip CodePrimary CitySecondary City04468Old TownIndian Island, Alton, Argyle Twp,Cities sharing Zip Codes with Indian IslandZip CodePrimary CitySecondary CityMore Information04468Old TownAlton04468Old TownArgyle Twp04468Old TownIndian IslandAdvertisements