If you've forgotten all your log in details you may be able to reset them online now.
Just log in by selecting the link to use your 16-digit card number instead of your username or ID number. Then select either of the 'Don't know your details' links.
To reset online, for security we'll need to hold a valid mobile phone number for you and you'll need to know your Barclaycard details including your expiry date and card security code (CVV). If you don't know these details or have your current mobile phone number on record with us you'll need to call us.