325405。 According to the postal code library of official website, the postal code of Shuitou Town, Pingyang County, Wenzhou City, Zhejiang Province is 325405, with the first two digits 32 representing provinces, municipalities and autonomous regions, the third digit 5 representing postal areas, the fourth digit 4 representing counties and cities, and the last two digits 05 representing specific delivery areas. Zhejiang province, referred to as "Zhejiang", is the capital of Hangzhou.