633 17th Street, formerly known as the First Interstate Tower North, is a high-rise building in Denver, Colorado.

The building was completed in 1974, and rises 32 floors and 434 feet (132 m) in height.

It also stood as the tallest building in the city at the time of its 1974 completion, and held that distinction for four years until it was surpassed by the 507-foot (155 m) 555 17th Street in 1978.

[5] After First Interstate merged with Wells Fargo in 1996, the building's address became its official name.

[7] Exterior shots of the building were used in the opening credits of the television series Dynasty