Sierra Central Cu ← View details 1000 Plaza Drive, Grass Valley, CA 95945 +1 530-272-5843 sierracentral.com Suggest an Edit Name* State* Locality* ZIP* Street address* Phone* Website Opening hours Monday: 09:00 am — 05:30 pm Tuesday: 09:00 am — 05:30 pm Wednesday: 09:00 am — 05:30 pm Thursday: 09:00 am — 05:30 pm Friday: 09:00 am — 06:00 pm Your comments * — Required information