There is no CCB card at all. Why does 95533 always send me messages?

In this case, it is unlikely that someone else has filled in the wrong mobile phone number, because this service needs a reply or verification code before it can be opened. Chances are, your number is new. And it belongs to renumbering. Its former supervisor used it to bind the SMS service, but did not cancel it in time. You can call 95533 to apply for cancellation.