Customer Verification Are you a DFS dealer? If not, learn how to become a dealer. To access your account information while protecting your privacy, please provide your customer number and ALL other information required below. * Indicates a required field Customer Number: * Email Address: * Telephone: * ( ) - - Zip Code: * If you have any questions or need help during the registration process, please call one of our helpful representatives at 1-800-225-9528 or email us at dfshelpdesk@dfsbusiness.com