1. Check in official website, Industrial and Commercial Bank of China. Open the official website of China Industrial and Commercial Bank, select "Global Branch Inquiry" in the "Online Banking Login" or "Service Hall" on the homepage of the website, enter the branch inquiry page, enter the information of the city, region, branch or outlet to be inquired, and find the corresponding bank number.
2. China Industrial and Commercial Bank mobile banking application query. Download and log in to China Industrial and Commercial Bank Mobile Banking APP. In the "Query" interface of the APP, select "Branch Query" and enter the information of the city, region, branch or outlet to be queried, and the corresponding bank number can be found.
3. Consult at the counter of China Industrial and Commercial Bank. Go to any branch or outlet of China Industrial and Commercial Bank and ask the staff for the bank number to be inquired. The staff will inquire according to the relevant information provided by you and inform you of the bank number you need.