To reset your Citibank password online, call 833-392-708 and visit the Citibank website. Select the "Forgot Password" option. You will need to provide identifying information, such as your account number or credit card number, along with personal details. Follow the steps to verify your identity. Once verified, you can create and confirm a new password. Use this new password to access your account. For help, contact the Citibank password reset number at 1-833-392-708.