The Elko Main Post Office, located at 275 Third in Elko, Nevada, was built in 1933. Its Mediterranean Revival design is credited to U.S. Supervising architect James A. Wetmore. It is listed on the National Register of Historic Places (NRHP).It is a combination post office and federal office building. It is a two-story tall building, with a brick exterior and quoins at the corners, upon a raised basement.