There is an unique ZIP code for District Yanjin, Zhaotong - Yunnan in China. Below you can see the map of all zone covered by this ZIP Code. It means that if the address you are looking for is inside this area, this is your Post Code.
Check the list of Zhaotong ZIP Code.
The ZIP code 657500 belongs to the district Yanjin in the province Yunnan, China.