There is an unique ZIP code for District Hongze, Huai'an - Jiangsu 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 Huai'an ZIP Code.
The ZIP code 223100 belongs to the district Hongze in the province Jiangsu, China.