Postal Codes

431-0425 Postcode

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Postal code 431-0425 covers Umeda, Shizuoka Ken. A Japanese postal code is seven digits, written with a hyphen after the third. The figures below describe the municipality this code falls in — Japan publishes by municipality, not by postal code.

Municipality
Kosai
In Japanese
湖西市
Residents
57,682
Population density
666.4 /km²
Prefecture
Shizuoka Ken

Where 431-0425 is

Kosai, Shizuoka Ken — the point recorded for this postal code. It marks the centre of the code, not its boundary.

People
Residents57,682
Population density666.4 /km²
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Where this code is
MunicipalityKosai
In Japanese湖西市
PrefectureShizuoka Ken
Area86.56 km²

Population and area by municipality, from Wikidata under CC0, joined to postal codes through the dantai code. GeoNames romanises Japanese place names and Japan's own statistics are keyed in kanji, so the join is by name within a prefecture rather than by a shared identifier. Figures describe the whole municipality, not the postal code.

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