The postcode of Xuanhan County, Dazhou City, Sichuan Province is 635000. Xuanhan County, Dazhou City, Sichuan Province is a county-level administrative region in Sichuan Province, China, which belongs to Dazhou City. Postal code 635000 refers to the postal communication code dedicated to this county, which is used for mail sorting, delivery and management. This code is usually used to fill in the mailing address of letters, parcels, remittances, etc. When writing a postal code, you need to fill in a certain format to ensure that the mail can be delivered to the destination accurately.