What is the postcode of Rongchang, Chongqing?

Rongchang District, which belongs to Chongqing and was called Changzhou in ancient times, is located in the west of Chongqing, at the junction of Chongqing and Sichuan Province (municipality directly under the Central Government). It is the gateway to western Chongqing and the central city radiating western Chongqing and eastern Sichuan.

It is adjacent to Dazu District and Yongchuan District in the east, Longchang in Neijiang, Sichuan in the west, Lu Xian County in Luzhou, Sichuan in the south, Dongxing District in Neijiang, Sichuan and Anyue County in Ziyang, Sichuan in the north. Total area 1077 km2.