The household registration number in the household registration book is a nine-digit code randomly generated by the household administration system of the public security organ, which is used for household registration management of the public security bureau. This number is convenient for staff to find and manage the original files. The household registration book itself is a document that records personal basic information, including name, place of origin, date of birth, etc. The nine-digit account number in the household registration book is mainly used as a tool for internal management and file indexing.

Household registration book coding rules:

1, the first place: the code representing the province, autonomous region or municipality directly under the Central Government where the household registration is located;

2. Second and third digits: the code representing the city and region where the household registration is located;

3. Fourth and fifth digits: the code representing the county and district where the household registration is located;

4. 6th to 8th digits: the code representing the township, town and street where the household registration is located;

5. Ninth place: the code representing the village or neighborhood committee where the household registration is located.

To sum up, the nine-digit household registration number in the household registration book is a code randomly generated by the household registration system of the public security organ, which is mainly used for household registration management within the public security bureau and the search and index of original files, while the household registration book records the basic information of individuals in detail, such as name, place of origin, date of birth, etc.

Legal basis:

Regulations of People's Republic of China (PRC) Municipality on Household Registration

Article 5

Household registration is based on households. The person who lives with the supervisor is a household and the supervisor is the head of the household. An independent family, with me in charge. Households living in institutions, organizations, schools, enterprises, institutions and public dormitories * * * set up separate households or separate accounts. The head of household is responsible for reporting household registration in accordance with the provisions of these regulations.

People's Republic of China (PRC) Identity Card Law

essay

The items registered in the resident ID card include: name, gender, nationality, date of birth, permanent residence address, citizen ID number, personal photo, fingerprint information, certificate validity period and issuing authority. Citizenship number is a unique and life-long identity code for every citizen, which is compiled by public security organs according to the national standard of citizenship number. Citizens applying for obtaining, renewing or replacing resident identity cards shall register their fingerprint information.