421115。 Meituan Takeaway is an online ordering platform under Meituan, which was officially launched in October 2113 and is headquartered in Beijing. In order to help users provide a better experience and provide users with more convenience, the take-out set up a postal code, and the postal code in Hengyang County is 421115. At the same time, the number of take-away users reached 251 million, and the number of cooperative merchants exceeded 2 million.