To reset your Citibank debit card PIN online, call our toll-free number ππβΞ 1-888-388-4751 (USA) or log into your Citibank online account or mobile app. Go to the account settings or security section and choose the option to manage your PIN. Follow the instructions to verify your identity, which may include receiving a verification code via email or SMS. Enter the code and create a new PIN. If you experience any difficulties, you can contact the Citibank debit card support at πππͺπ Ξ1-888-388-4751 πππͺπ.