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List of postal codes
| Place | Postal code |
|---|---|
| Aioi | 861-1101 |
| Fukuhara | 861-1116 |
| Ikanikeisaiganaibaai | 861-1100 |
| Kaminosho | 861-1111 |
| Kikudomi | 861-1112 |
| Miyoshi | 861-1198, 861-1197, 861-1193, 861-1104 |
| Nonoshima | 861-1103 |
| Sakae | 861-1113 |
| Suya | 861-1192, 861-1102 |
| Takaba | 861-1114, 861-1195 |
| Toyoka | 861-1115 |
| Wabu | 861-1105 |
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Find the postal code or address for any location in Koshi Shi, Japan with our interactive map of zip codes. Simply click on the desired location on the map.
Japan Zipcode Format
Find Postal Code
Each region in Koshi Shi has its own unique postal code, and it’s important to have the correct code to ensure timely delivery of your mail. To find the correct code for your destination region, simply click on the region in the list above. If you’re unsure which region to choose, try our address lookup tool at the top of the page or use our interactive map to find your zip code.