Postal code of Changning County, Yibin City

644300。 According to the postal code of Ku official website, Changning County belongs to Yibin City, Sichuan Province, which is located in the southern edge of Sichuan Basin and the hinterland of Yibin City. The postcode of Changning County, Yibin City is 644300. Yibin is a national central city along the Yangtze River, a regional central city in the upper reaches of the Yangtze River, a national comprehensive transportation hub, and a gateway to the south of Sichuan, striving to be one of the seven cities in the province's economic sub-center.