GB/T 2260-2007Codes for the administrative divisions of the People's Republic of China (English PDF)

3.2

digital code structure code bits from left to right means.

The first layer that is the code represents the first two provinces, autonomous regions, municipalities and special administrative regions.

The second layer that is an intermediate code indicates two cities, regions, autonomous prefectures, leagues and municipalities under the jurisdiction of municipal districts/counties summary code, province (autonomous region) directly under the county

Level administrative divisions summary code, in which.

--- 01 to 20,51 to 70 represent the city, 01,02 also used to mean municipalities under the jurisdiction of municipal districts and counties summary code;

--- 21 to 50 represent regions, autonomous prefectures and leagues;

--- 90 denotes provinces (autonomous regions) directly under the county administrative summary code.

That is the third layer represents two counties, autonomous counties, cities counties, flag, Autonomous Banner, municipal districts, forest, DC, in which.

--- 01 to 20 represent districts, regions (prefectures and leagues) jurisdiction county-level city, municipal, DC, as well as provincial (autonomous regions) directly under the county level administrative divisions

The county-level cities, 01 municipal districts usually indicates summary code;

--- 21 to 80 represent counties, autonomous counties, flag, Autonomous Banner, forest, jurisdiction in the HKSAR;

--- Represents 81 to 99 provinces (autonomous regions) the jurisdiction of county-level city.

3.3

To ensure the uniqueness of the digital codes, due to the changes of administrative divisions occurred revoke digital code is no longer assigned to other administrative divisions.

Compilation principles and structure of the 4-letter code 4.1 Administrative divisions letter code (abbreviated letter code) follow the scientific, unity, practical coding principles, with reference to the county administrative divisions above

Roman alphabet spelling of the name, prepared to take the corresponding letter.

4.2

provinces, autonomous regions, municipalities and special administrative regions represented by the two-letter code in capital letters.

4.3

municipalities and regions, autonomous prefectures and leagues, counties, autonomous counties, cities counties, flag, Autonomous Banner, municipal districts, forest, DC, with three-letter code in capital letters

FIG.

4.4

of administrative divisions letter code adopted GB/T 15514-1998 or GB/T 7407-1997 in the letter codes in the code table

 marked with numbers.

Roman alphabet spelling of 4.5 names of administrative divisions commonly used Chinese Roman alphabet spelling of place names; but when the administrative division name to Mongolian, […]