The building suffered moderate damage during the September 11 attacks due to a remnant of one of the planes and other debris landing on top of the building . Following the collapse of the World Trade Centers twin towers , the building 's facade was damaged , windows were broken , the roof was seriously burned and major water damage occurred throughout the internal structure . It was also extensively contaminated with asbestos , lead dust , fungi , fiberglass dust , mercury , and bacteria . The building was entirely engulfed by dust after the collapse of both buildings , respectively , and was further damaged when Building 7 collapsed later the same day . There was no major structural damage . During recovery efforts at Ground Zero , the United States Postal Service worked to return individual pieces of mail found by rescue workers to the addressees . In August 2004 , the Church Street Station Post Office reopened , and mail was once again being processed there . Church Street Station also serves the 10007 ZIP code , covering portions of Battery Park City , TriBeCa , and the area surrounding New York City Hall
September 11 attacks
September 11 attacks
90 Church Street