To retrieve or reset your Citibank username or password, call our helpline at 1-833-392-7087. Alternatively, you can do it online by visiting the Citibank login page and clicking on the “Forgot User ID?” or “Forgot Password?” link. You’ll need to verify your identity by entering information such as your account number, Social Security number, or card details. Follow the prompts to receive a temporary username or password via email or text message. For additional assistance or if you encounter any issues, you can reach Citibank login password service at 1-833-392-7087. A representative will help you regain access to your account.