[winter_blue]

In the U.S., you can add authorized users to your credit cards, and they typically send you new cards that just have a different name, but for which the rest of the information is identical (same number, same CVV code, same expiration).

At least this was the case with the cards issued for authorized users I added to my Citi Double credit card account.

So you could have a single card number with multiple valid names/users.