U.S. Bank Tower, formerly Library Tower and First Interstate Bank World Center, is a 310.3 m (1,018 ft) skyscraper at 633 West Fifth Street in downtown Los Angeles, California. It is the tallest building in California, the tenth-tallest in the United States, the tallest west of the Mississippi River, and as of November 2010, the 55th tallest building in the world (Today ranked 62nd after Georgia's Bank of America Plaza (Atlanta)).