1. Bank inquiry. Users can query loan details and loan contract numbers by logging in to official website, a loan bank. In addition, you can also call the customer service hotline of the loan bank or inquire at the counter of the business outlet.

2. AliPay inquiry. If the user's loan is a provident fund loan, you can query the loan details and loan contract number through the provident fund query in Alipay City Service.

3. Official website of Provident Fund Management Center. Provident fund loans can be inquired not only through Alipay, but also through official website and Provident Fund Management Center.

Enquiries can be made at the corresponding loan bank in official website. I don't have a rural bank card, only industrial and commercial. Taking ICBC as an example, the method for querying the loan contract number is as follows:

1. First, enter ICBC on Baidu of the computer, find its official website and click enter, as shown in the figure below, and then enter the next step.

2. Secondly, after entering the bank official website, click the personal online banking login button to enter, as shown in the figure below, and then enter the next step. ? ?

3. Then enter the repayment account number and password of the loan in the login interface that appears, and then click Login, as shown in the figure below, and then enter the next step.

4. After the page jumps, log in to the online banking background, click the "Loan" button above, as shown in the following figure, and then go to the next step.

5. Then click on my loan to enter the displayed page, as shown in the figure below, and then enter the next step.

6. Then after the page jumps, you can check the previous loan situation, click the details button to enter, as shown in the figure below, and then enter the next step.

7. Finally, in the loan details interface, you can see the contract number of the loan, as shown in the figure below.