2131。

According to Baidu Encyclopedia, Wujin District, Changzhou City, Jiangsu Province, belongs to Jiangsu. Wujin District is located in the south of Jiangsu Province. Telephone area code 519, postal code 2131, administrative division code 32412, administrative district category municipal district, license plate code Su D.

Cuisine in Wujin District, Changzhou City, Jiangsu Province: steamed buns, hemp cakes, scarecrow ducks, steamed buns with crabs, sesame candy, etc.