1. Online banking inquiry: log in to the online banking of China Postal Savings Bank, select "Account Inquiry" in "My Account" and click "Bank Inquiry" to view the bank information.
2. Telephone inquiry: Call China Postal Savings Bank at 95580, select "Bank Inquiry" according to the voice prompt, and then enter relevant account information to inquire about the bank.
3. Counter inquiry: Bring your ID card and bank card to the counter of China Postal Savings Bank and ask the staff about the bank.