First National Bank ← View details 3033 Iris Avenue, Boulder, CO 80301 +1 303-938-4689 1stnationalbank.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 — 05:30 pm Saturday: 09:00 am — 12:00 pm Your comments * — Required information