Postal Codes

100-0402 Postcode

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Postal code 100-0402 covers Honson, Tokyo To. 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
Niijima
In Japanese
新島村
Residents
2,530
Population density
91.9 /km²
Prefecture
Tokyo To

Where 100-0402 is

Niijima, Tokyo To — the point recorded for this postal code. It marks the centre of the code, not its boundary.

People
Residents2,530
Population density91.9 /km²
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Where this code is
MunicipalityNiijima
In Japanese新島村
PrefectureTokyo To
Area27.54 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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