If you've forgotten your 6-digit passcode you may be able to reset it online - just log in by entering your Username or ID number, or if you don't know these click the link to use your 16-digit card number instead. Then, on the next step, select the 'Don't know your details' link.
For security you'll need to know your Barclaycard details including your expiry date and card security code (CVV). If you don't know these details you'll need to call us.