New Horizons Fs Plant 104 N Main St Onslow, IA 52321 Phone : (563) 485-2522 Onslow City Clerk 102 E Wyoming Ave Onslow, IA 52321 Phone : (563) 485-2703 Onslow City Maintenance Shop 102 Wyoming Ave Onslow, IA 52321 Phone : (563) 485-2475 Rb Electronics 107 S Main St Onslow, IA 52321 Phone : (563) 485-4226 Onslow Elementary School 112 3rd St Onslow, IA 52321 Phone : (563) 485-2171 Sherris Tax Service 3188 County Road E17 Onslow, IA 52321 Phone : (563) 485-1234 Onslow Ball Park 310 S Main Onslow, IA 52321 Phone : (563) 485-2705 Onslow Community Room 105 S Main St Onslow, IA 52321 Phone : (563) 485-2483 Onslow Fire Department 204 S Main St Onslow, IA 52321 Phone : (563) 485-3473 S C Oberbreckling Excavating 303 Summit St Onslow, IA 52321 Phone : (563) 485-1212