Sichuan Yibin Xingwen postal code

644400。 According to the postcode database, the postcode of Xingwen, Yibin City, Sichuan Province is 644400, which is located in Xingwen County, Yibin City, Sichuan Province. Postal code is a coding method that a country or region divides the whole country in order to realize the automation of mail sorting and the digitalization of postal network and speed up the delivery of mail.