United States Post Office-Main Branch (Philadelphia Pennsylvania)
 United States Post Office-Main Branch is a historic post office building located in the University City neighborhood of Philadelphia Pennsylvania. It is located across from and complimentary to the 30th Street Station. It was built between 1931 and 1935 and is a six-story steel frame building clad in limestone in the Art Deco-style. It measures 386 feet wide and 455 feet long.