What are the Rousseau, South Dakota Zip Codes for 2020, 2019Primary Zip Codes for RousseauZip CodePrimary CitySecondary City57501PierreRousseau, Ames, Canning, Eakin, Fairbank, Francis, Oahe, Okobojo, WendtCities sharing Zip Codes with RousseauZip CodePrimary CitySecondary CityMore Information57501PierreAmes57501PierreCanning57501PierreEakin57501PierreFairbank57501PierreFrancis57501PierreOahe57501PierreOkobojo57501PierreRousseau57501PierreWendtAdvertisements