133200。 According to official website information, the area code of Wangqing County in Yanbian Korean Autonomous Prefecture is 0433, and the postcode is 133200. The first two digits of the postal code 13 represent Yanbian Korean Autonomous Prefecture of Jilin Province, the third digit 3 represents the postal area, the fourth digit 2 represents Wangqing County of Yanbian Korean Autonomous Prefecture, and the last two digits 00 represent the specific delivery area. Postal code refers to the postal code, also known as postal code, which is a set of digital codes set by the postal department to facilitate mail delivery.