2163 Shanghai, Songjiang District and Laojie; 21615 Shanghai, Songjiang District and Avenue; 21699 Shanghai, Songjiang District and Hengjie; 2161 Shanghai, Songjiang District, Huiboyuan.

China's postal code adopts a four-level six-digit coding structure. The first two digits represent provinces (municipalities and autonomous regions); The first three digits indicate the postal area; The first four digits represent counties (cities); The last two digits indicate the delivery office (office).

Extended information:

Postal codes of all districts in Shanghai:

Shanghai 2, Huangpu 23, Jing 'an 24, Xuhui 23, Zhabei 27, Hongkou 28 and Putuo 2. Jinshan District 254, Fengxian District 214, Songjiang District 216, Qingpu District 217, Chongming District 2215, Yangpu District 29.

foreign zip code

American coding rules

Zip code is a registered trademark of the US Postal Service.

Postal codes are numbered with the first number representing states in the United States, the second and third numbers together representing a region (perhaps a big city), and the fourth and fifth numbers representing more specific regions, such as small towns or regions in that city.

French coding rules

French postal codes began in 1972, with ***6 digits, the first two digits represent provinces, and the last three digits represent cities, regions or post offices respectively.

Baidu Encyclopedia-Postal Code