New York Community Bank (New York Community Bank; abbreviation: NYCB) New York's largest community bank, is also the fourth largest community bank in the United States, to provide leading savings services and family loan services known, originated in 1859, then known as Quinsigamond County Savings Bank; December 15, 2000 to become the current name; in 2014 the global corporate 2000 ranked 1109.