The postal code of Gaya-eup which is listed in our database is 637-707. Our records often include geographical coordinates of Gaya-eup and it's corresponding postal code. In the result box below, you can find the postal code of Gaya-eup 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 Gaya-eup may also be present such as geographical data, historical records or news about Gaya-eup and 637-707 in general.