COMSTAR Federal Credit Union ← View details 100 Lakeforest Boulevard #110, Gaithersburg, MD 20879 +1 855-436-4100 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 — 01:00 pm Your comments * — Required information