Yantai postal code and area code query. This postal code and area code query system has the latest postal code and area code data of Yantai (more than 60000 pieces), which can query the postal code and area code of Yantai's streets and towns accurate to Yantai. Fuzzy query is supported. Input the province, city, county or village name to find the relevant postal code and area code of Yantai, or check the geographical location by the postal code or area code.