It was distinguishable from its twin, the original 2 World Trade Center, also known as the South Tower, by the telecommunications antenna on its roof. Including the antenna, the building stood at a total height of . Other things that made the North Tower distinguishable from its twin was a canopy connected to the North Tower's west facade on street level as well as two pedestrian walkways that extended from the west and south promenades of Three and Six World Trade Center to the North Tower's north and south facades on plaza level, all of which the South Tower lacked. The building's address was 1 World Trade Center, and the WTC complex had its own ZIP code (10048) due to its large size.
It was distinguishable from its twin, the original 2 World Trade Center, also known as the South Tower by the telecommunications antenna on its roof. Including the antenna, the building stood at a total height of . Other things that made the North Tower distinguishable from its twin was a canopy connected to the North Tower's west facad,e on street level as well as two pedestrian walkways that extended from the west and south promenades of Three and Six World Trade Center to the North Tower's north and south facades on plaza level, all of which the South Tower lacked. The building's address was 1 World Trade Center, and the WTC complex had its own ZIP code (10048) due to its large size.