The International Building at 630 Fifth Avenue, a.k.a. 45 Rockefeller Plaza, includes 626 Fifth Avenue, The Palazzo D'Italia, and 636 Fifth Avenue, the International Building North and 16 W 51st Street. The building benefits from direct access to Rockefeller Center concourse, including subway lines, marble public corridors, 24 hour/7 day access, renovated common areas, a centrally located 700-car garage, direct subway access, proximity to Grand Central Station and Port Authority bus terminal as well as Penn Station and PATH New Jersey trains, and an On-site United States Post Office.