The postcode of Huili is 6 15 100. According to the postal code database, the postal code of Huili County, Liangshan Prefecture, Sichuan Province is 6 15 100. Huili County is a county-level city under the jurisdiction of Liangshan Yi Autonomous Prefecture in Sichuan Province, which was called Wu Hui and Huichuan in ancient times. It was named after "Chuanyuanhui, Zhengping and Lizan". It is located at the southernmost tip of Sichuan Province and the center of Panxi.