The NBC Tower is an office tower on the Near North Side of Chicago, Illinois, United States located at 454 North Columbus Drive in downtown Chicago's Magnificent Mile area. Completed in 1989, the 37-story building reaches a height of 627 feet (191 m). NBC's Chicago offices, studios, and owned-and-operated station WMAQ-TV are located here as of 1989 and on October 1, 1989, WMAQ-TV broadcast their first newscast at 10 pm that evening at their new home, NBC Tower with the then-weeknight news team of Ron Magers, Carol Marin, John Coleman and Mark Giangreco.