There is a merchant code consisting of 15 digits on each bill for machine card swiping. The first three represent the acquiring bank (e.g. 822 represents La Carra); The fourth to seventh digits are administrative division codes, which are consistent with the first four digits of the ID card and represent the area where the merchant is located; The eighth to eleventh places are merchant code (mcc code), which is related to the rate of your credit card consumption and whether you have points!

This step will teach you how to use tools to query. First of all, we need to pay attention to the official WeChat account of mccc5 1. Then send the code you want to query to this official WeChat account!

1, reply to the top three, and query the acquiring bank!

2. Reply to the eighth to eleventh digits and query mcc code, and you will receive the category name, rate and integral status you want to query!