The World Trade Center site ( ZIP code : 10048 ) , formerly known as `` Ground Zero '' after the September 11 attacks , sits on 16 acres ( 65,000 m2 ) in Lower Manhattan in New York City .
Coordinates : 40 ° 42 ′ 42 ″ N 74 ° 00 ′ 44 ″ W \ / 40.711641 ° N 74.012253 ° W \ / 40.711641 ; -74.012253 The World Trade Center site ( ZIP code : 10048 ) , originally called Ground Zero , sits on 16 acres ( 65,000 m2 ) in Lower Manhattan in New York City .