It was listed on the National Register of Historic Places in 1986 as U.S. Post Office and Federal Building – Lewistown.

[1] Its design is credited to James A. Wetmore.

It was built by the McGough Bros. firm of Illinois.

The building was dedicated in a ceremony attended by almost 1,000 persons, on November 25, 1931.

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