Citibank ATM ← View details 453 East Putnam Avenue, Cos Cob, Greenwich, CT 06807 +1 800-627-3999 citi.com Suggest an Edit Name* State* Locality* ZIP* Street address* Phone* Website Opening hours Sunday: 12:00 am — 11:59 pm Monday: 12:00 am — 11:59 pm Tuesday: 12:00 am — 11:59 pm Wednesday: 12:00 am — 11:59 pm Thursday: 12:00 am — 11:59 pm Friday: 12:00 am — 11:59 pm Saturday: 12:00 am — 11:59 pm Your comments * — Required information