Drivers License Office 125 Central Ave Se Orange City, IA 51041 Phone : (712) 737-8430 Business Category Port Authorities Sioux County--treasurer, Drivers License 210 Central Ave Sw Orange City, IA 51041 Phone : (712) 737-8430 Business Category Government Offices & Public Schools Sioux County Of--treasurer-drivers License Orange City, IA 51041 Phone : (712) 737-8430 Business Category Government Offices-County Government Offices & Public Schools