M & T Bank- Formerly People's United Bank Share: BANKS M & T Bank- Formerly People's United Bank Visit Website 182 E. Main Street Huntington, NY 11743 (631) 812-2500 (844) 264-3584 (fax) http://www.bankofsmithtown.net About Map About Smithtown Bankcorp. is the public holding company of Bank of Smithtown. Bank of Smithtown is a 100 year old community bank headquartered in Hauppauge, NY. The bank has 21 branches located in Manhattan, Na What's Nearby? Distance: 5 10 15 20 25 50 mi.