Great Western Bank ← View details 11 North 1st Avenue, Marshalltown, IA 50158 +1 641-754-5505 greatwesternbank.com Suggest an Edit Name* State* Locality* ZIP* Street address* Phone* Website Opening hours Monday: 09:00 am — 04:30 pm Tuesday: 09:00 am — 04:30 pm Wednesday: 09:00 am — 04:30 pm Thursday: 09:00 am — 04:30 pm Friday: 09:00 am — 04:30 pm Your comments * — Required information