According to the postal code database, Peng Yi Street in Xiaoshan District, Hangzhou City, Zhejiang Province is 3 1 1225. The first two digits of 3 1 represent Zhejiang province, the third digit of 1 represents Hangzhou, the fourth digit of 2 represents Xiaoshan district, and the last two digits of 25 represent Peng Yi Street and Yiqian Street of Peng Yi Street.