Cass County Emergency Management 5 W 7th St Atlantic, IA 50022 Phone : (712) 243-1500 Business Category Public Order & Safety Civil Defense Equipment & Supplies Cass County Of--emergency Management Agency, Courthouse Courthouse Atlantic, IA 50022 Phone : (712) 243-1500 Business Category Government Offices-County Fire Protection Emergency & Rescue Public Order & Safety Civil Defense Equipment & Supplies Government Offices & Public Schools