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