Sioux County Civil Defense 4363 Ironwood Ave # 3 Orange City, IA 51041 Phone : (712) 737-4010 Business Category Public Order & Safety Emergency Disaster Services Civil Defense Equipment & Supplies Sioux County Emergency Management 4363 Ironwood Ave # 3 Orange City, IA 51041 Phone : (712) 737-4010 Business Category Government Offices-County Public Order & Safety Civil Defense Equipment & Supplies Government Offices & Public Schools