Koyashiki
- Region
- Iwate Ken
- Locality/admin area
- Shiwa Gun
- Further admin area
- Shiwa Cho
- Coordinates
- 39.5746000, 141.0895000
- Source accuracy code
- Not supplied
🇯🇵 Japan
Postal code 028-3444
1 active place record share this country-and-code combination.
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Nearby postal codes
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Source: GeoNames postal-code snapshot checked 2026-07-18. Postal data © GeoNames.org, CC BY 4.0. Accuracy codes belong to the source and are not a ZipCodeGlobe verification claim.