The simpl way to check line numbers

The simpl way to check that line number is as follow:

Mobile phone: Redmi k40.

System: MIUI 12.5. 18.

Software: WeChat 8.02.

1. Take Bank of China as an example. On the main page of WeChat, click "+"in the upper right corner, and click "Add Friend" in the pop-up option box.

2. On the official account search page of WeChat, enter "China Bank Weizhong Bank" and click Search.

3. Then, in the result that appears, click the official account of China Bank Weizhong Bank WeChat.

4. After entering the new page, click "Follow".

5. After that, enter the WeChat official account chat window, and click the "My Debit Card" option in the "Microfinance" column.

6. Then in the sent message, click the "Bank Inquiry" option, as shown in the figure below.

7. Then enter the bank card number to be queried in the input box and send it.

8. The other party will automatically reply to the query results, and you can see the bank institution code.