1, open a computer browser, search official website of the Ministry of Civil Affairs, enter the online service section, and select the query service;

2, in the national administrative division information query platform, according to the prompt to choose the province, city and county administrative divisions where the household registration is located;

3. After submitting the query, you can view the corresponding administrative division code at the bottom of the page.

Functions of administrative division codes:

1, unified identification: the administrative division code is the unified code of administrative regions in China, which is used to identify administrative units at all levels;

2. Data management: In government data management, administrative division code is used as one of the important basic data for data classification and retrieval;

3. Convenient for statistics: when conducting statistical work such as population census and economic census, the administrative division code is the basis for dividing statistical areas;

4. Public services: In public services, such as household registration management and social security, administrative division codes are used to confirm the geographical location information of individuals or institutions;

5. Commercial application: In commercial activities such as e-commerce, logistics and distribution, administrative division codes help enterprises to conduct regional market analysis and logistics planning.

To sum up, to query the personal administrative division code, you need to select the provincial, municipal and county administrative units where the household registration is located in turn through the official website online service section of the Ministry of Civil Affairs, and obtain the corresponding code at the bottom of the page after submitting the query. The whole process is simple and efficient, which is convenient for the public to quickly grasp the required administrative information.

Legal basis:

Constitution of the people's Republic of China

Article 30

The administrative divisions of People's Republic of China (PRC) are as follows: (1) The whole country is divided into provinces, autonomous regions and municipalities directly under the Central Government; (2) Provinces and autonomous regions are divided into autonomous prefectures, counties, autonomous counties and cities; (3) Counties and autonomous counties are divided into townships, nationality townships and towns. Municipalities directly under the central government and larger cities are divided into districts and counties. Autonomous prefectures are divided into counties, autonomous counties and cities. Autonomous regions, autonomous prefectures and autonomous counties are all ethnic autonomous areas.