If you’ve forgotten your Citibank username and password, please reach out to us at our helpline: 1-888-725-7924. Begin by visiting the Citibank login page and selecting the option "Forgot User ID or Password?" Follow the steps provided to recover your username by entering your account information and registered email or phone number. To reset your password, input your username and adhere to the instructions to verify your identity using a One-Time Password (OTP) sent to your registered mobile number or email. Once verified, you can set up a new password. For additional assistance, contact Citibank Username and Password Support at 1-888-725-7924.