Federal Building & Former Post Office

Federal Building & Former Post Office

Built in 1913 and expanded in 1937, this building served as the local facility for the Federal Government and Post Office until 1964, when it was supplemented with the William Guy Federal Building. The building continues to house Federal offices.

Downtown Bismarck is a registered historic district that held strong importance to the initial growth and success of the Bismarck area. Bismarck’s downtown is roughly located between Washington Street & 7th Street; and Rosser Avenue and Main Avenue.