The postcode of Yibin City, Sichuan Province

The first two digits of Yibin Postal Code 64 represent provinces (cities, autonomous regions); The third number 4 represents the postal area; The fourth digit 0 indicates the county (city); The last two digits, 00, indicate the office.

Yibin is a prefecture-level city under the jurisdiction of Sichuan Province, located at the junction of Yunnan, Guizhou and Sichuan provinces, and at the intersection of Jinsha River, Minjiang River and Yangtze River. As a whole, the terrain is high in the southwest and low in the northeast, belonging to the humid climate of mid-subtropical monsoon, with a total area of 13283 square kilometers. The topography of Yibin is generally high in the southwest and low in the northeast.