Onaga Fire Department 319 Prospect St Onaga, KS 66521 Phone : (785) 889-4444 Business Category Government Offices-City Village & Twp Fire Departments Government Offices State & Local Government Offices & Public Schools Onaga City Of--onaga Fire, Administrative Calls Onaga, KS 66521 Phone : (785) 889-4444 Business Category Government Offices-City Village & Twp Fire Departments Government Offices State & Local Government Offices & Public Schools Onaga City Of--fire Dept Administrative Calls 319 Prospect Onaga, KS 66521 Phone : (785) 889-4444 Business Category Government Offices-City Village & Twp Fire Departments Government Offices State & Local Government Offices & Public Schools