Postal Codes

370-3600 Postcode

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Postal code 370-3600 covers Yoshioka Machi, 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
Yoshioka
In Japanese
吉岡町
Residents
21,824
Population density
1,066.7 /km²
Prefecture
Gumma Ken

Where 370-3600 is

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

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People
Residents21,824
Population density1,066.7 /km²
Where this code is
MunicipalityYoshioka
In Japanese吉岡町
PrefectureGumma Ken
Area20.46 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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