Yu A is Zhengzhou, Yu B is Kaifeng, Yu C is Luoyang, Yu D is Pingdingshan, Yu E is Anyang, Yu F is Hebi, Yu G is Xinxiang, Yu H is Jiaozuo, Yu J is Puyang, Yu K is Xuchang, Yu L is Luohe, Yu M is Sanmenxia, Yu N is Shangqiu, Yu P is Zhoukou, Yu Q is Zhumadian, Yu R is Nanyang, Yu S is Xinyang and Yu U is Jiyuan.

The function of the license plate number: 1, to register the number and information of each car; 2. You can know the area where the vehicle belongs; 3. According to the license plate, you can find the registration information of the owner and the vehicle.