The new building, completed in 1929, was built to provide dial telephone service for the first time in Denver.

[2] It is a 15-story building with buff-colored terra cotta, on a pink granite base.

According to its NRHP nomination, the "Mountain States Telephone and Telegraph Company, the building's original owner, called its architectural style 'Modern American Perpendicular Gothic,' referring to its setbacks, massing, vertically, and Gothic Revival style ornamentation.

[4][5] The entrance of the building features 13 murals from the history of telecommunications by Allen Tupper True,[6][7] which were painted in 1929.

This article about a property in Colorado on the National Register of Historic Places is a stub.