🇯🇵 JP country coverage
Japan postal codes, places and regions
Browse postal-code records and administrative regions, with optional GeoNames Gazetteer enrichment.
Postal data availableGazetteer places available
- Place records
- 146,503
- Postal codes
- 142,577
- Named places
- 91,112
- Mapped records
- 146,503
- Shared codes
- 1,393
Snapshot-derived insight
How dense is this postal directory?
In the active ZipCodeGlobe postal snapshot, Japan contains 146,503 active place records across 142,577 distinct postal codes — about 1.03 place records per represented code. This describes dataset representation, not population or legal postal boundaries.
GeoNames country reference
Geographic context for Japan
Tokyocapital
JPYcurrency
81calling prefix
126,529,100countryInfo population field
GeoNames countryInfo postal format: ###-####. This is supporting reference metadata, not a postal-code record set.
Languages: ja
GeoNames general Gazetteer
Major populated places
These are geographic place records, not postal-code records.
TokyoTokyo · population field 9,733,276YokohamaKanagawa · population field 3,777,491OsakaOsaka · population field 2,753,862NagoyaAichi · population field 2,332,176SapporoHokkaido · population field 1,973,832FukuokaFukuoka · population field 1,612,392KawasakiKanagawa · population field 1,538,262KobeHyōgo · population field 1,525,152KyotoKyoto · population field 1,463,723SaitamaSaitama · population field 1,324,854HiroshimaHiroshima · population field 1,200,754SendaiMiyagi · population field 1,096,704
Postal regions
Aichi Ken8,755 codes · 9,241 recordsAkita Ken2,298 codes · 2,303 recordsAomori Ken2,237 codes · 2,732 recordsChiba Ken4,219 codes · 4,225 recordsEhime Ken2,036 codes · 2,044 recordsFukui Ken2,413 codes · 2,545 recordsFukuoka Ken4,137 codes · 4,144 recordsFukushima Ken3,948 codes · 4,280 recordsGifu Ken3,764 codes · 3,795 recordsGumma Ken1,779 codes · 1,781 recordsHiroshima Ken2,619 codes · 2,657 recordsHokkaido9,205 codes · 9,426 recordsHyogo Ken5,619 codes · 5,667 recordsIbaraki Ken3,154 codes · 3,156 recordsIshikawa Ken2,912 codes · 3,001 recordsIwate Ken2,107 codes · 2,264 recordsKagawa Ken964 codes · 967 recordsKagoshima Ken1,703 codes · 1,706 recordsKanagawa Ken3,106 codes · 3,109 recordsKochi Ken1,837 codes · 1,842 recordsKumamoto Ken2,139 codes · 2,172 recordsKyoto Fu6,680 codes · 6,714 recordsMie Ken2,763 codes · 2,787 recordsMiyagi Ken3,266 codes · 3,816 recordsMiyazaki Ken1,042 codes · 1,043 recordsNagano Ken2,254 codes · 2,274 recordsNagasaki Ken2,108 codes · 2,110 recordsNara Ken2,074 codes · 2,097 recordsNiigata Ken5,954 codes · 6,044 recordsOita Ken1,996 codes · 2,004 recordsOkayama Ken2,567 codes · 2,577 recordsOkinawa Ken1,047 codes · 1,049 recordsOsaka Fu4,693 codes · 4,717 recordsSaga Ken988 codes · 990 recordsSaitama Ken3,643 codes · 3,654 recordsShiga Ken2,025 codes · 2,037 recordsShimane Ken1,326 codes · 1,330 recordsShizuoka Ken3,636 codes · 3,704 recordsTochigi Ken2,058 codes · 2,060 recordsTokushima Ken1,140 codes · 1,605 recordsTokyo To8,747 codes · 8,751 recordsTottori Ken1,485 codes · 1,491 recordsToyama Ken3,326 codes · 3,607 recordsWakayama Ken1,733 codes · 1,737 recordsYamagata Ken2,093 codes · 2,103 recordsYamaguchi Ken1,893 codes · 2,049 recordsYamanashi Ken1,092 codes · 1,096 records
Popular postal starting characters
Source: GeoNames postal-code snapshot checked 2026-08-18. Postal data © GeoNames.org, CC BY 4.0. Accuracy codes belong to the source and are not a ZipCodeGlobe verification claim.