1. Inquire through personal online banking of Postal Savings Bank: log in to Postal Savings Online Banking, click "Credit Card-My Credit Card-Account Inquiry" in turn, and then follow the prompts on the page to inquire.
2. Telephone inquiry: Call the credit card customer service hotline of Postal Savings Bank at 400-88-95580, and follow the voice prompts to inquire about the quota;
3. WeChat official account inquiry: Pay attention to WeChat official account "Postal Savings Bank Credit Card", and then bind the credit card inquiry quota according to the prompts.