1. Telephone inquiry: Call the customer service number of the card issuing bank by phone, enter the ID number according to the requirements of the phone process, and you can also check the card number and validity period.

2. Online inquiry: Log in to the bank's credit card service center website through the cardholder's ID card, and use the credit card's online business inquiry function to inquire about the card number and validity period.

3. Repayment record query: If you have used WeChat or Alipay to repay a credit card, you can check the credit card information on WeChat or Alipay.

4. Branch inquiry: The cardholder brings his or her valid ID card to any card-issuing bank for inquiry.

How many years is a credit card valid for?

Generally 3 to 5 years. The validity period of the credit card is clearly marked on the front, below the credit card, in the format of "x month/x year", with the month first and the year last. For example, 12/22 on a credit card means the cardholder is valid until December 2022.

If the replacement credit card has the same validity period as the original credit card, but the credit card has exceeded the validity period, it can no longer be used. The cardholder needs to go to a bank branch to change it. It is best to change it before expiration to avoid any impact. Normal use of credit card.