If it is a card, the newly opened personal account of the card is 16 digits.

The corporate account number is 15 digits. If the transaction identification function is enabled, the account number can be up to 25 digits (15-digit company account number + identification code). If your account is an old account opened a long time ago, it may be 13 digits, and you need to add a 2-digit conversion prefix in front.

If it is a credit card number, it is usually 16 digits, only the American Express card number is 15 digits.

(Response time: July 24, 2019. For the latest business changes, please refer to the official website of China Merchants Bank)