Postal Codes

184-8511 Postcode

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Postal code 184-8511 covers Sakuracho, 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
Koganei
In Japanese
小金井市
Residents
127,226
Population density
11,258.9 /km²
Prefecture
Tokyo To

Where 184-8511 is

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

People
Residents127,226
Population density11,258.9 /km²
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Where this code is
MunicipalityKoganei
In Japanese小金井市
PrefectureTokyo To
Area11.30 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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