1, the most direct and quickest way is to call. You can call the customer service hotline 95555 of China Merchants Bank at the first time, and provide the information needed by customer service after connecting with manual customer service.
2. If you happen to have a business hall of China Merchants Bank, you can go directly to the bank counter and ask the counter staff for advice.
3. After successfully logging in with the ID card on the website of China Merchants Bank, you can see all the card numbers or passbook numbers of the ID card in China Merchants Bank.