Postal Codes

831-0031 Postcode

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Postal code 831-0031 covers Agemaki, Fukuoka 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
Ōkawa-shi
In Japanese
大川市
Residents
32,609
Population density
969.6 /km²
Prefecture
Fukuoka Ken

Where 831-0031 is

Ōkawa-shi, Fukuoka Ken — the point recorded for this postal code. It marks the centre of the code, not its boundary.

People
Residents32,609
Population density969.6 /km²
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Where this code is
MunicipalityŌkawa-shi
In Japanese大川市
PrefectureFukuoka Ken
Area33.63 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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