The digital coding rules of the address code in the ID card number of Chinese mainland residents are as follows:
The first and second digits represent provinces (autonomous regions, municipalities directly under the Central Government and special administrative regions).
The first number is the previous area code. The second digit is the code of the province and city where the region is located. The whole country is divided into six regions: North China Bureau (1), Northeast Bureau (2), East China Bureau (3), Central South Bureau (4), Southwest Bureau (5) and Northwest Bureau (6).
The third and fourth representative cities (summary codes of prefecture-level cities, autonomous prefectures, leagues, municipalities directly under the Central Government, municipal districts and counties). Where 0 1-20 and 5 1-70 represent provinces and municipalities directly under the central government; 2 1-50 indicates regions (autonomous prefectures and leagues).
The fifth and sixth representatives represent counties (municipal districts, county-level cities and banners). 0 1- 18 refers to the county-level cities under the jurisdiction of municipal districts or regions (autonomous prefectures and leagues); 2 1-80 stands for county (flag); 8 1-99 stands for county-level cities directly under the provincial government.
Extended data:
The validity period of resident identity cards is divided into five years, 10 years, 20 years and long term. /kloc-under the age of 0/6, issue a resident identity card with a validity period of 5 years; 16 to 25 years old, and issue resident identity cards valid for 10 years; From the age of 26 to 45, a resident identity card with a validity period of 20 years will be issued; If you are over 46 years old, you will be issued a long-term valid resident identity card.
The validity period of the certificate is calculated from the date of issuance. If someone was born in1September 20th, 949 and applied for a resident identity card when he was 35 years old, the issuing date is1984 65438+February 3rd1,and he belongs to the age group of 26 to 45 years old. The validity period of the certificate is 20 years until 65438 in 2004.
During inspection or inspection, the relationship between the validity period of the inspection certificate and the age of the holder and the date of issuance should be compared.
Reference source: Baidu Encyclopedia-Resident ID number