About 7 days. Because after users apply for a credit card and submit information at Bank of Communications, it takes a week for review to ensure the accuracy of personal information. However, the specific review time depends on the applicant's personal situation and credit card type. If no payment is received for a long time, After receiving the review results, you can contact the customer service personnel through the Bank of Communications customer service phone number to learn about the specific situation, so the Bank of Communications credit card will be approved in about 7 days.