Line number 403541000214. The bank number is the unique identification mark of a local bank, just like a person's ID number. The bank number is mainly used in cross-regional payment and settlement business. The bank number has 12 digits. The first 3 digits are the bank code, then the 4-digit city code and the 4-digit bank number. The last digit is Check digit. If you want to know the bank number of a certain bank branch, you can call the bank's customer service number and then transfer to manual service to inquire, or you can go to a business branch to inquire.