First Interstate Center (tallest building in Montana)

First Interstate Center, is a signature commercial office building located in the Downtown Core of Billings, Montana, at 401 N. 31st Street, Billings, MT. 59101. This is the tallest building in the northern Rockies, and the tallest in the state of Montana. It was built in 1985 and rises to 272 feet, or 83 meters. It is used primarily for office space.