Charter Oak Federal CU ← View details 101 Groton Long Point Road, Groton, CT 06340 +1 860-446-8000 charteroak.org Suggest an Edit Name* State* Locality* ZIP* Street address* Phone* Website Opening hours Sunday: 07:00 am — 11:00 pm Monday: 07:00 am — 11:00 pm Tuesday: 07:00 am — 11:00 pm Wednesday: 07:00 am — 11:00 pm Thursday: 07:00 am — 11:00 pm Friday: 07:00 am — 11:00 pm Saturday: 07:00 am — 11:00 pm Your comments * — Required information