Postal Codes

389-0100 Postcode

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Postal code 389-0100 covers Karuizawa Machi, Nagano 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
Karuizawa
In Japanese
軽井沢町
Residents
19,648
Population density
125.9 /km²
Prefecture
Nagano Ken

Where 389-0100 is

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

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People
Residents19,648
Population density125.9 /km²
Where this code is
MunicipalityKaruizawa
In Japanese軽井沢町
PrefectureNagano Ken
Area156.03 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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