High Quality Content by WIKIPEDIA articles! The First National Bank Building is a skyscraper located in the Financial District of Boston, Massachusetts, USA, property of the First National Bank. The skyscraper, rising 591 feet (180 m) and 37 floors, is Boston`s sixth-tallest building. The building was completed in 1971, and formerly served as the world headquarters of FleetBoston Financial (and the Bank of Boston even earlier). The building now houses Bank of America offices.