Umpqua Bank ← View details 3626 Bel Aire Plaza, Napa, CA 94558 +1 707-257-4800 umpquabank.com Suggest an Edit Name* State* Locality* ZIP* Street address* Phone* Website Opening hours Monday: 09:00 am — 05:00 pm Tuesday: 09:00 am — 05:00 pm Wednesday: 09:00 am — 05:00 pm Thursday: 09:00 am — 05:00 pm Friday: 09:00 am — 06:00 pm Your comments * — Required information