Postal code 2 10000 is the postal code of Nanjing, Jiangsu Province. The first two digits 2 1 represent Jiangsu province, the third digit 0 represents Nanjing, and the fourth digit 0 represents baixia district, etc. The last two digits 00 represent the specific delivery area.
Pukou District of Nanjing is located in the northwest of Nanjing, Jiangsu Province. It is one of the eight districts in the main city of Nanjing, an important medical base, science and education base and advanced manufacturing base in China. It is a modern riverside area with integrated circuit industry, high-end transportation equipment industry and cultural tourism health industry as the leading industrial system, and together with Liuhe District, it constitutes Nanjing Jiangbei New District.