046000。 According to the postal code database, the postal code of the suburb of Yangquan City, Shanxi Province is 046000. The first two represent the province, the third represents the postal area, the fourth represents the county, and the last two represent the post office and its delivery area. Postal code is a coding method that a country or region divides the whole country in order to realize the automation of mail sorting and the digitalization of postal network and speed up the delivery of mail.