Union Bank ← View details 437 Old Mammoth Road, Mammoth Lakes, CA 93546 +1 760-934-2546 blw.unionbank.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