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First Interstate Center
Record height
Tallest in Montana since 1985[I]
Preceded by	Crowne Plaza Hotel Billings
General information
Type	corporate offices
Location	Billings, Montana
Address	401 N 31st St
Construction started	1984
Completed	1985
Height
Antenna spire	none
Roof	272 ft (83 m)
Top floor	unknown
Technical details
Floor count	20
Lifts/elevators	6
Website
locations.firstinterstatebank.com/mt/billings/401-n-31st-st.html

First Interstate Center is a signature commercial office building located in the Transwestern Plaza, a complex consisting of four office towers with a total of 35 floors, three 5 floor buildings and one 20 story tower, in the downtown core of Billings, Montana, United States. It is not the tallest building in the northern Rockies, the tallest is Brookfield place Calgary, and the tallest in the state of Montana.^[1] It was built in 1985 and rises to 272 feet (83 meters). It is used primarily for office space.

• First Interstate BancSystem

• First Interstate BancSystem
• List of tallest buildings in Billings
• List of tallest buildings by U.S. state

• Parker, Stan (April 16, 2014). "New signage for Billings skyline, but that's about it". Last Best News. Archived from the original on March 28, 2019. Retrieved March 28, 2019.
• Cioffi, Chris (January 17, 2015). "After 30 years, First Interstate tower remains state's tallest and 'a timeless building'". Billings Gazette.

45°47′00″N 108°30′43″W / 45.78333°N 108.51194°W / 45.78333; -108.51194