Suffolk Federal Credit Union ← View details 850 County Road 39, Southampton, NY 11968 +1 631-924-8000 suffolkfcu.org Suggest an Edit Name* State* Locality* ZIP* Street address* Phone* Website Opening hours Monday: 08:30 am — 05:00 pm Tuesday: 08:30 am — 05:00 pm Wednesday: 08:30 am — 05:00 pm Thursday: 08:30 am — 06:00 pm Friday: 08:30 am — 06:00 pm Saturday: 09:00 am — 02:00 pm Your comments * — Required information