Postal Codes

270-1401 Postcode

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Postal code 270-1401 covers Imai, Chiba 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
Shiroi
In Japanese
白井市
Residents
61,673
Population density
1,738.2 /km²
Prefecture
Chiba Ken

Where 270-1401 is

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

People
Residents61,673
Population density1,738.2 /km²
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Where this code is
MunicipalityShiroi
In Japanese白井市
PrefectureChiba Ken
Area35.48 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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