Rental Car discounts through Hertz For reservations, call 800-654-821 and have your Hertz business account CDP # ready Acct. Info/Add'l. Credentials: 800-654-4405 Online Acct. Service (email): bapservice@hertz.com Hertz #1 Club Gold Online: http://bapmember.hertz.com Click on "Fee-Waived Enrollment," enter your company name, new CDP # and Pin Code: bapgold.