Postal Codes

378-0413 Postcode

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Postal code 378-0413 covers Koshimoto, Gumma 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
Tone
In Japanese
利根町
Residents
15,035
Population density
604.8 /km²
Prefecture
Gumma Ken

Where 378-0413 is

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

People
Residents15,035
Population density604.8 /km²
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Where this code is
MunicipalityTone
In Japanese利根町
PrefectureGumma Ken
Area24.86 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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