The Columbia Center (formerly the Bank of America Tower and the Columbia Seafirst Center) is the tallest skyscraper in the downtown Seattle skyline, as well as the tallest building in the State of Washington, and the Pacific Northwest region of North America. Standing at a height of 937 feet (285 m), it was the tallest skyscraper west of the Mississippi River when construction was finished; it is currently fourth, the second tallest building on the West Coast, and the twentieth tallest building in the United States