How to check the billing date and repayment date of postal credit card?

First, you can call the customer service number of China Postal Savings Bank.

Second, you can log in to China Postal Savings Bank's personal online banking for self-inquiry. The specific method is as follows:

1. Open Baidu search, enter "China Postal Savings" in the search bar, find official website, China Postal Savings Bank, and click Enter.

2. After entering official website of China Postal Savings Bank, find the item "Personal Online Banking Login" and click Enter.

3. After entering, find the "account inquiry" item under my credit card and click Enter.

4. After entering the account query, enter the corresponding information to log in.

5. After logging in successfully, you can query the billing date of the credit card and the repayment date of the current account.