The postal code of Haikou Township which is listed in our database is 334223. Our records often include geographical coordinates of Haikou Township and it's corresponding postal code. In the result box below, you can find the postal code of Haikou Township and it's location on the map if we have the location information available. Every postal code is also located in a region or a district, in case we know the district or region of the city it will too be listed in the results. All kinds of additional information we have on Haikou Township may also be present such as geographical data, historical records or news about Haikou Township and 334223 in general.