Credit cards and savings cards have different card numbers, which can be simply distinguished. The card number is different, and the credit card 16 or 15 digits.

When shopping, there is a "merchant number" on the POS list, which is the number registered by the merchant who swiped the card at UnionPay. This figure is compiled regularly. You can check the "special merchant number" to see if your consumption has points, because many banks do not calculate points for certain categories. Next, talk about the business number. Generally, the "special merchant number" consists of 15 digits. For example: 105290058 12xxxxx

This string of numbers can be divided into four parts.

1. 105 indicates that the acquiring bank is China Construction Bank.

2.2900 is the area code of Shanghai.

3.58 12 indicates that the merchant is a "restaurant" type.

4.XXXX merchant number