The Franklin Center is a 60-story supertall skyscraper in the Loop neighborhood of downtown Chicago. Completed in 1989 as the AT&T Corporate Center to consolidate the central region headquarters of the American Telephone & Telegraph Company (AT&T),[2] it stands at a height of 1007 ft and contains 1.7 e6sqft of floor space.[3] It is located two blocks east of the Chicago River and northeast of the Willis Tower with a main address of 227 West Monroe Street and an alternate address of 100 South Franklin Street.[4]
The building is the tallest constructed in Chicago in the last quarter of the 20th century.[5][6] It is the 6th tallest