Official website information shows that the postal code of Youyang County in Chongqing is 409800, with the first two digits 40 representing Chongqing, the third digit 9 representing Chongqing postal area, the fourth digit 8 representing Youyang Tujia and Miao Autonomous County in Chongqing, and the last two digits 00 representing specific delivery areas.
Youyang County refers to Youyang Tujia and Miao Autonomous County, which is located in the southeast of Chongqing and the hinterland of Wuling Mountain, and is an important gateway to Chongqing, Hubei, Hunan and Guizhou.