According to the postal code database, the postal code of Sanshilipu Village, Laizhou City, Yantai City, Shandong Province is 26 142 1. The first two digits 26 represent Shandong Province, the third digit 1 represents Yantai City, the fourth digit 4 represents Laizhou City, and the last two digits 2 1 represent Sanlibao Village and Nanpo Village in Guocheng Town.