United States Post Office located in Delphos
The Delphos U.S. Post Office is located at 127 North Main Street. This Art Deco building was built in 1933. Art Deco buildings are typically box-like with flat roofs and horizontal banding. The style was popular in the 1920s and 1930s. The Delphos Post Office has retained much of its original interior design and is now also home to a U.S. Postal Museum.