Telephone 0344 800 6435*
Our customer service agents are available 8am to 8pm, Monday to Sunday (excluding Christmas, boxing and New Year’s Day).
We recommend calling if you need urgent assistance, but if your query is not urgent use email.
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