FirstBank - 104th & Colorado ← View details 3990 East 104th Avenue, Thornton, CO 80233 +1 303-452-3000 efirstbank.com Suggest an Edit Name* State* Locality* ZIP* Street address* Phone* Website Opening hours Monday: 09:00 am — 06:00 pm Tuesday: 09:00 am — 06:00 pm Wednesday: 09:00 am — 06:00 pm Thursday: 09:00 am — 06:00 pm Friday: 09:00 am — 06:00 pm Saturday: 09:00 am — 12:00 pm Your comments * — Required information