For example: 21080285110123.
The first two digits of the ID card are the province number, such as 2 1 Liaoning Province.
The 3-digit and 4-digit numbers are the city number 08 Jinzhou City.
5 and 6 are county numbers, and 02 is Linghe District.
The number 7- 12 is the number 85 of the date of birth. See 1 65438+1October1.
13- 14 The number of the police station is 12.
15 Men with gender numbers are single and women are even.