1, telephone inquiry, users need to call the bank to contact the customer service specialist for inquiry.

2, online query, using Baidu browser to search official website, users can log in to the relevant bank's official website, according to the relevant tips in the webpage to query the line number, you can find it.

3, mobile banking or online banking inquiries, users need to log in to mobile banking or online banking first, according to the relevant tips for inquiries. (Take Huawei p 10 mobile phone as an example, based on Android 7.0 operating system)

4. Users who inquire about outlets can directly go to relevant banks and directly inquire at the counter.

In real life, the bank number is a code to identify a bank, and the line number of each bank is independent and unique. In a sense, the bank number is equivalent to the bank's ID card.

Inter-bank number is the only identification symbol of a regional bank, which is used for cross-regional payment and settlement business such as large payment system, small payment system, bank draft system of city commercial banks and national check imaging system (including automatic bill sorting system in some cities) organized by the People's Bank of China. It consists of 12 digits: 3 digits of bank code +4 digits of city code +4 digits of bank number+1 parity bit.

The use of the joint bank number is: fill in the account number and name of the company's bank-then fill in the joint bank number-fill in the amount.

The electronic banking number consists of six digits and is used for cross-regional bank settlement and fund settlement. Electronic banking number and electronic banking system, as well as the connection between heaven and earth, have been cancelled and no longer used. Use the payment system line number. Union bank number is the only identification symbol of regional banks. It is used for cross-regional payment and settlement services such as large payment system, small payment system, bank draft system of city commercial banks and national check imaging system (including automatic bill sorting system in some cities) organized by the People's Bank of China.

The electronic banking number consists of six digits and is used for cross-regional bank settlement and fund settlement. Electronic banking number and electronic banking system, as well as the connection between heaven and earth, have been cancelled and no longer used.