If you’ve forgotten your Citi card PIN, call us at our helpline 1-888-388-4751 or or you can retrieve it by following these steps. Log in to your Citibank online banking account or the Citibank mobile app. Navigate to the “Card Services” or “Account Management” section and select “Get or Reset PIN.” You will need to verify your identity using an OTP sent to your registered mobile number or email. Once verified, you can view or reset your PIN. For further assistance, you can contact Citibank Pin Forgot number at 1-888-388-4751.