To initiate a balance transfer with Citibank, call our toll-free number at 1-888-725-7924 (USA). Follow the automated prompts to navigate to the balance transfer or credit card services department. A customer service agent will guide you through the balance transfer process, provide details on current offers, and address any questions you may have. For a seamless and efficient balance transfer, dialing the Citibank balance transfer number at 1-888-725-7924 is highly recommended.