Exhibit 21 to Form 10-K for 1998 Subsidiaries of the Registrant (as of March 31, 1999) State of Subsidiary Incorporation - ---------- ------------- Cincinnati Bell Telephone Company Ohio Cincinnati Bell Telecommunications Services Inc. Ohio Cincinnati Bell Network Solutions Inc. Ohio Cincinnati Bell Software Solutions LLC Indiana Cincinnati Bell Long Distance Inc. Ohio Cincinnati Bell Supply Company Ohio Cincinnati Bell Directory Inc. Ohio Cincinnati Bell Wireless Company Ohio Cincinnati Bell Wireless LLC Ohio