> You can also report your card stolen to get a new card number unrelated to the last card number to prevent them from charging again. That frequently does not

> You can also report your card stolen to get a new card number unrelated to the last card number to prevent them from charging again. That frequently does not work. Visa, MasterCard, and Discover (not sure about American Express) offer update services that allowed qualified merchants to get updates on changes to credit card accounts. The merchant can ask about a card they have on file and the update service will tell them if that number is still valid or not, tell them if it has a new expiration date, and if the number is no longer valid tell them the new number and expiration date.