At 100 Indiana Avenue, NW is the headquarters of the National Association of Letter Carriers, the union for urban mail carriers. The facade consists of white granite or marble blocks in a uniform pattern. There is simple but elegant gilded lettering above the entrance which relates to the brassy coloring of the doors and light fixtures. Besides these details and a thin band above the second floor there is practically no other ornamentation.
The design of the building is trying to remain formal and classic yet look toward a modern aesthetic. It was designed in 1952 by Washington DC-based architect Arthur L. Anderson. Anderson’s work is increasingly under threat and a formalist bank branch that he designed in Rockville is being demolished despite a recent recommendation for preservation.