United States Post Office (Greybull, Wyoming)

The Greybull Main Post Office in Greybull, Wyoming, United States, was built in 1937 as part of a facilities improvement program by the United States Post Office Department. The post office in Greybull was nominated to the National Register of Historic Places as part of a thematic study comprising twelve Wyoming post offices built to standardized USPO plans in the early twentieth century. It is one of five post offices in the state with Section of Painting and Sculpture artwork, symbolizing the extensive New Deal public works and federal presence benefiting small communities.