There is an unique ZIP code for District Xingwen, Yibin - Sichuan 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 Yibin ZIP Code.
The ZIP code 644400 belongs to the district Xingwen in the province Sichuan, China.