What is the situation of SMS to help inform repayment?

Credit card dunning SMS. If it is sent by bank customer service, it is not necessarily a liar. The number of a liar is usually a mobile phone number or a PHS number. It is also possible that another loan was not repaid in time. There was an error when the bank entered the mobile phone number, and it was recorded as your number. You can call the customer service of the bank and ask the other party to check. There is such a situation.