Here are all the postal codes assigned to Ōnuma. Our records often include geographical coordinates of Ōnuma and it's corresponding postal code. In the result box below, you can find the postal code of Ōnuma 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 Ōnuma may also be present such as geographical data, historical records or news about Ōnuma and in general.