Flandreau Light Department 1005 W Elm Ave Flandreau, SD 57028 Phone : (605) 997-2492 Business Category Government Offices-City Village & Twp Legislative Bodies Flandreau City Office 1005 W Elm Ave Flandreau, SD 57028 Phone : (605) 997-2492 Business Category Government Offices-City Village & Twp Government Offices State & Local Legislative Bodies Government Offices & Public Schools