Egan City Office 101 N Irvin St Egan, SD 57024 Phone : (605) 997-2274 Business Category Government Offices-City Village & Twp Legislative Bodies Egan City Of--finance Office Flandreau, SD 57028 Phone : (605) 997-2274 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools Egan City Office 202 W 3rd St Egan, SD 57024 Phone : (605) 997-2274 Business Category Government Offices-City Village & Twp Government Offices State & Local Legislative Bodies Government Offices & Public Schools