Telephone 0344 800 6435*
Our customer service agents are available 9am to 6pm, Monday to Friday (excluding public holidays).
You can report your card lost or stolen on this number at any time.
Our address is:
Card Services, PO Box 1586, Westside, London Road, Hemel Hempstead, HP1 9SF
*Calls to this number are charged at the same rate as 01 or 02 numbers on mobile phone tariffs