What are the Gansville, Louisiana Zip Codes for 2020, 2019Primary Zip Codes for GansvilleZip CodePrimary CitySecondary City71422DodsonGansville, Gaars Mill, Hudson, TannehillCities sharing Zip Codes with GansvilleZip CodePrimary CitySecondary CityMore Information71422DodsonGaars Mill71422DodsonGansville71422DodsonHudson71422DodsonTannehillAdvertisements