How do I know how many bank cards are bound to my mobile phone number? Which bank card?

You can only go to the bank port and check one by one.

1. Check the mobile phone number and bind the bank card of the same bank.

Take China Merchants Bank as an example. Take your mobile phone, ID card and other documents to the business hall of the bank.

If the bank card is a savings card of China Merchants Bank, you can query it through the professional version (ukey), as follows: Professional version: After logging in, click "One card → account management → modify contact information" to query several digits. The reserved phone number modified here is independent from the mobile phone number associated with your professional certificate and needs to be modified separately.

Second, query the mobile phone number and bind the bank cards of different banks. You need to use the above method to make a house-to-house inquiry.

Extended data:

The Notice on Matters Related to the Banking Industry's Combating and Controlling New Crimes in Telecommunication Networks (hereinafter referred to as the Notice) stipulates that in principle, no more than four debit cards (excluding social security cards) can be opened by the same customer in the same institution from 20 16 1. At the same time, the notice also stipulates that "in principle, the same agent shall not open more than three cards in the same commercial bank. The debit card opened by the agent can only be used after the agent comes to the counter with his valid ID card to activate the card.

The notice also requires that for customers who already have more than four debit cards, banks should take the initiative to contact customers for verification, and if they find that they are unwilling to handle it, they should suspend their services.

Bankers remind cardholders to keep their bank cards and passwords safe and never lend them to others. At the same time, it is suggested that "one person with multiple cards" cardholders clean up and integrate bank cards in time, transfer funds to ordinary cards, and cancel bank cards that have been idle for a long time in time.

Also, don't blindly sell personal bank cards for petty gain. The disclosure of personal information may cause greater economic losses and bear certain legal responsibilities.

China Economic Net-From next year, the same bank can't open more than four cards to curb bank card transactions.