Columbia Bank ← View details 200 Main Street East, Monmouth, OR 97361 +1 503-838-0601 columbiabank.com Suggest an Edit Name* State* Locality* ZIP* Street address* Phone* Website Opening hours Monday: 10:00 am — 05:00 pm Tuesday: 10:00 am — 05:00 pm Wednesday: 10:00 am — 05:00 pm Thursday: 10:00 am — 05:00 pm Friday: 10:00 am — 06:00 pm Your comments * — Required information