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🇯🇵 Japan

Postal code 300-1274

1 active place record share this country-and-code combination.

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Kamiiwasaki

Region
Ibaraki Ken
Locality/admin area
Tsukuba Shi
Further admin area
Not supplied
Source accuracy code
Not supplied

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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.
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