100 North Main Street, also known as Wells Fargo Center, is a postmodern, 460-foot (140 m), 34-floor office skyscraper in Winston-Salem, North Carolina, USA. Originally named Wachovia Center, the building served as the corporate headquarters of Wachovia bank from 1995, the year of the tower's construction, to 2001, the year the corporation merged with First Union and moved its headquarters to Charlotte, North Carolina. It is the tallest building in the Piedmont Triad region and was the tallest in the Carolinas outside Charlotte until 2008, when RBC Plaza (now PNC Plaza) was completed in Raleigh.