Cincinnati Bell Inc.
Cincinnati Bell, Inc., doing business as Altafiber is a regional telecommunications service provider based in Cincinnati, Ohio, United States. It provides landline telephone, fiber-optic Internet, and IPTV services through its subsidiaries Altafiber Home Phone and Hawaiian Telcom, which are the incumbent local exchange carriers for the Greater Cincinnati metropolitan area (aka "The Tri-State") and Hawaii. Other subsidiaries provide enterprise information technology services and long distance calling.