M&T Bank ← View details 140 Adams Avenue #1a, Hauppauge, NY 11788 +1 631-952-1216 locations.mtb.com Suggest an Edit Name* State* Locality* ZIP* Street address* Phone* Website Opening hours Monday: 09:00 am — 04:00 pm Tuesday: 09:00 am — 04:00 pm Wednesday: 09:00 am — 04:00 pm Thursday: 09:00 am — 05:00 pm Friday: 09:00 am — 05:00 pm Your comments * — Required information