Exhibit 23 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTANTING FIRM We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-38743) of Cincinnati Bell Inc. of our report dated June 24, 2004 relating to the financial statements of the Cincinnati Bell Inc. Savings and Security Plan, which appears on this Form 11-K. /s/ PricewaterhouseCoopers LLP Cincinnati, Ohio June 28, 2004