According to the postcode database, the postcode of Zheng Zhi Town, Nanjiang County, Bazhong City, Sichuan Province is 636642. The first two numbers 63 represent Sichuan Province, the third number 6 represents Bazhong City, the fourth number 6 represents Nanjiang County, and the last two letters 42 represent Zheng Zhi Town.

Zheng Zhi Town, Nanjiang County, Bazhong City, Sichuan Province is an ancient town with a long history and rich cultural and natural resources. The town is located in the southeast of Nanjiang County, about 30 kilometers away from the county seat, with an area of about 100 square kilometers and a population of about10.5 million.