Contact Us Name Email* PhoneQuestions or Comments 2415 K Line Dr. Waterloo, IA 50701 (319) 232-5830 Range Hours Monday: Closed Tuesday – Friday: 10 a.m. – 6:30 p.m. Saturday: 10 a.m. – 5 p.m. Sunday: 10 a.m. – 4 p.m.