12363 and 12378 can both complain to the bank. The telephone number 12363 is the national public service number used by the People's Bank of China for financial consumption consultation and complaint. The purpose of setting up this telephone number is to better protect the legitimate rights and interests of financial consumers. As long as the content of your complaint is within the statutory duties of the People's Bank of China, and it involves cross-market and inter-bank financial products and services, it can generally be accepted.

12378 The Bank Insurance Consumer Complaint and Rights Protection Hotline is a unified rights protection service hotline set up by the Bank of China Insurance Regulatory Commission. Its main duties are to accept complaints from consumers of bank insurance and report violations of bank insurance laws and regulations by bank insurance institutions and their employees, other units and individuals, quickly contact, transfer and handle all kinds of complaints and reports from consumers, and feed back the results to callers, so as to properly solve the hot, difficult and focused issues that consumers have strongly reflected.

12363 is it useful to complain about credit cards?

12363 is the complaint telephone number of China People's Bank. The purpose of setting up this telephone number is to better protect the legitimate rights and interests of financial consumers. As long as the content of your complaint is within the statutory duties of the People's Bank of China, complaints involving cross-market and inter-bank financial products and services can generally be accepted.

Obviously, the credit card is managed by the Bank of China, so it should be right to make this phone call to complain.