The postcode of Pixian County is 6 1 1700. 6 and 1 1 700 represent Sichuan province,1and 7 represent Chengdu, and 0 and 0 represent Pixian county. Pixian County, which belongs to Chengdu, Sichuan Province, is located in the northwest of downtown Chengdu, bordering Pengzhou and Xindu District in the northeast, jinniu district in the southeast, Qingyang District in the south, Wenjiang District in the southwest and Dujiangyan City in the northwest.