The postal code of Onyang-eup which is listed in our database is 689-902. Our records often include geographical coordinates of Onyang-eup and it's corresponding postal code. In the result box below, you can find the postal code of Onyang-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 Onyang-eup may also be present such as geographical data, historical records or news about Onyang-eup and 689-902 in general.