Registry / Japan / Postal code prefixes / 40 /

Japan postal codes starting with 40

Prefix 40 contains 1,092 postal code records across 953 mapped localities in Japan.

Verified data profile for Japan prefix 40

Based on 1,096 records, 1,092 postal code values and 953 mapped localities. Coordinate coverage is 100.0%.

1,096

Records

1,092

Postal identifiers

100.0%

Geocoded

400-0000

Example code

Postal code	Locality	Administrative path	Coordinates
400-0000	Kofu Shi	Yamanashi Ken / Kofu Shi	35.6798, 138.5658
400-0001	Wadamachi	Yamanashi Ken / Kofu Shi	35.6921, 138.5588
400-0002	Komatsumachi	Yamanashi Ken / Kofu Shi	35.6895, 138.5673
400-0003	Tsukaharacho	Yamanashi Ken / Kofu Shi	35.6986, 138.5713
400-0004	Nishidacho	Yamanashi Ken / Kofu Shi	35.6856, 138.5683
400-0005	Kitashin	Yamanashi Ken / Kofu Shi	35.6816, 138.5663

Prefix coverage and examples

Use this page to understand country coverage, postal code formats, prefixes and the most useful child pages for lookup or download. The canonical route for this record set is /postal-codes/japan/codes/40.

How to use this lookup

Use the sample rows to verify what the prefix actually covers.
Compare neighboring prefixes when a city or district spans multiple ranges.
Download the country dataset when you need every code in the prefix.

Records

1,096

Database rows represented by this canonical route.

Postal identifiers

1,092

Distinct postal code values in this route.

Localities

953

Mapped place names or administrative entries.

Coordinate coverage

100.0%

Rows with latitude and longitude available.

Detected format

7 digits (NNN-NNNN)

Japanese postal codes use seven digits, commonly formatted with a hyphen after the third digit.

Example

400-0000

Sample code from Kofu Shi.

Prefix use

range lookup

Use this range when you know the first digits or letters but need matching localities.

Code	Place	Hierarchy	Coordinates
400-0000	Kofu Shi	Yamanashi Ken / Kofu Shi	35.6798, 138.5658
400-0001	Wadamachi	Yamanashi Ken / Kofu Shi	35.6921, 138.5588
400-0002	Komatsumachi	Yamanashi Ken / Kofu Shi	35.6895, 138.5673
400-0003	Tsukaharacho	Yamanashi Ken / Kofu Shi	35.6986, 138.5713
400-0004	Nishidacho	Yamanashi Ken / Kofu Shi	35.6856, 138.5683

Download postal data

CSV, JSON and XLSX exports for research, validation and data products.

Use the API

Query postal codes by country, place name, region or code prefix.

Implementation notes

Field definitions, canonical paths and practical lookup guidance.

Useful related pages

Japan

Country · 146,883 records

All prefixes

Postal code prefixes · 142,577 records

Prefix 28

Postal code range · 1,167 records

Prefix 77

Postal code range · 1,140 records

Prefix 49

Postal code range · 1,139 records

Prefix 75

Postal code range · 1,099 records

Prefix 90

Postal code range · 1,047 records

Prefix 88

Postal code range · 1,042 records

Prefix 39

Postal code range · 1,034 records

Prefix 80

Postal code range · 1,020 records

Data questions

What does this postal code prefix cover?

This page lists representative records, localities and nearby ranges for the Japan prefix 40 prefix in Japan.

Is the complete prefix dataset shown here?

The HTML page shows a bounded sample from 1,092 matching identifiers and points to the country export for complete coverage.

How should I use a prefix page?

Use it to narrow a lookup when you know the first characters of the code, then confirm locality, region and coordinates.

Related prefix ranges in Japan

Compare this range with other active postal code prefixes from the same country-level directory.

1,167 codes across 1,039 localities.

1,140 codes across 1,492 localities.

1,139 codes across 1,070 localities.

1,099 codes across 1,002 localities.

1,047 codes across 824 localities.

1,042 codes across 942 localities.

1,034 codes across 846 localities.

1,020 codes across 845 localities.

Representative postal code examples

This page keeps a bounded sample for fast crawling and links each code to its canonical lookup page. Use the country export when you need the full prefix dataset.

Postal code	Locality	Region	Coordinates
400-0000	Kofu Shi	Yamanashi Ken / Kofu Shi	35.6798, 138.5658
400-0001	Wadamachi	Yamanashi Ken / Kofu Shi	35.6921, 138.5588
400-0002	Komatsumachi	Yamanashi Ken / Kofu Shi	35.6895, 138.5673
400-0003	Tsukaharacho	Yamanashi Ken / Kofu Shi	35.6986, 138.5713
400-0004	Nishidacho	Yamanashi Ken / Kofu Shi	35.6856, 138.5683
400-0005	Kitashin	Yamanashi Ken / Kofu Shi	35.6816, 138.5663
400-0006	Tenjincho	Yamanashi Ken / Kofu Shi	35.6774, 138.5683
400-0007	Misaki	Yamanashi Ken / Kofu Shi	35.6755, 138.5644
400-0008	Midorigaoka	Yamanashi Ken / Kofu Shi	35.6793, 138.5605
400-0011	Kamisekisuijimachi	Yamanashi Ken / Kofu Shi	35.7086, 138.6012
400-0012	Shimosekisuijimachi	Yamanashi Ken / Kofu Shi	35.6966, 138.5838
400-0013	Iwakubocho	Yamanashi Ken / Kofu Shi	35.6832, 138.5871
400-0014	Kofuchumachi	Yamanashi Ken / Kofu Shi	35.6886, 138.5766
400-0015	Ote	Yamanashi Ken / Kofu Shi	35.6815, 138.5773
400-0016	Takeda	Yamanashi Ken / Kofu Shi	35.6744, 138.5716
400-0017	Yakata	Yamanashi Ken / Kofu Shi	35.6834, 138.5725
400-0021	Miyamaecho	Yamanashi Ken / Kofu Shi	35.6742, 138.5755
400-0022	Motokonyamachi	Yamanashi Ken / Kofu Shi	35.6724, 138.578
400-0023	Atagomachi	Yamanashi Ken / Kofu Shi	35.6674, 138.5772
400-0024	Kitaguchi	Yamanashi Ken / Kofu Shi	35.6691, 138.571
400-0025	Asahi	Yamanashi Ken / Kofu Shi	35.6713, 138.5655
400-0026	Shiobe	Yamanashi Ken / Kofu Shi	35.6742, 138.5572
400-0027	Fujimi	Yamanashi Ken / Kofu Shi	35.6742, 138.549
400-0028	Otowacho	Yamanashi Ken / Kofu Shi	35.6778, 138.542
400-0031	Marunochi	Yamanashi Ken / Kofu Shi	35.663, 138.5665
400-0032	Chuo	Yamanashi Ken / Kofu Shi	35.6606, 138.5731
400-0033	Kotobukicho	Yamanashi Ken / Kofu Shi	35.658, 138.56
400-0034	Takara	Yamanashi Ken / Kofu Shi	35.664, 138.5618
400-0035	Iida	Yamanashi Ken / Kofu Shi	35.6659, 138.5552
400-0041	Kamiishida	Yamanashi Ken / Kofu Shi	35.6544, 138.5554
400-0042	Takabatake	Yamanashi Ken / Kofu Shi	35.6499, 138.5625
400-0043	Kokubo	Yamanashi Ken / Kofu Shi	35.6395, 138.5557
400-0044	Kamikogawaracho	Yamanashi Ken / Kofu Shi	35.6319, 138.5656
400-0045	Ushiroyacho	Yamanashi Ken / Kofu Shi	35.6287, 138.563
400-0046	Shimoishida	Yamanashi Ken / Kofu Shi	35.6472, 138.5525
400-0047	Tokugyo	Yamanashi Ken / Kofu Shi	35.6514, 138.5417
400-0048	Kugawahoncho	Yamanashi Ken / Kofu Shi	35.6545, 138.5499
400-0049	Tomitake	Yamanashi Ken / Kofu Shi	35.6572, 138.5427
400-0051	Furukamijomachi	Yamanashi Ken / Kofu Shi	35.6296, 138.5581
400-0052	Kamijoaraimachi	Yamanashi Ken / Kofu Shi	35.6298, 138.5537
400-0053	Osatocho	Yamanashi Ken / Kofu Shi	35.6211, 138.5643
400-0054	Nishishimojomachi	Yamanashi Ken / Kofu Shi	35.6063, 138.5722
400-0055	Otsumachi	Yamanashi Ken / Kofu Shi	35.6021, 138.5639
400-0056	Horinochicho	Yamanashi Ken / Kofu Shi	35.6117, 138.5621
400-0057	Takamurocho	Yamanashi Ken / Kofu Shi	35.6107, 138.5562
400-0058	Miyabaracho	Yamanashi Ken / Kofu Shi	35.6176, 138.5558
400-0061	Arakawa	Yamanashi Ken / Kofu Shi	35.6759, 138.5381
400-0062	Ikeda	Yamanashi Ken / Kofu Shi	35.6712, 138.54
400-0063	Kanetakecho	Yamanashi Ken / Kofu Shi	35.6676, 138.5378
400-0064	Shimoiida	Yamanashi Ken / Kofu Shi	35.6637, 138.548
400-0065	Kugawa	Yamanashi Ken / Kofu Shi	35.6608, 138.537
400-0066	Shindencho	Yamanashi Ken / Kofu Shi	35.6633, 138.5401
400-0067	Choshojicho	Yamanashi Ken / Kofu Shi	35.6666, 138.5409
400-0068	Shimogawaracho	Yamanashi Ken / Kofu Shi	35.6648, 138.5328
400-0069	Nakamuracho	Yamanashi Ken / Kofu Shi	35.6662, 138.5352
400-0071	Hagurocho	Yamanashi Ken / Kofu Shi	35.6938, 138.5468
400-0072	Daiwacho	Yamanashi Ken / Kofu Shi	35.6796, 138.5549
400-0073	Yumura	Yamanashi Ken / Kofu Shi	35.6801, 138.549
400-0074	Chizuka	Yamanashi Ken / Kofu Shi	35.6835, 138.5399
400-0075	Yamamiyacho	Yamanashi Ken / Kofu Shi	35.695, 138.5335

Showing 60 representative records from 1,092 matching codes to keep the page fast and crawlable. Download the Japan dataset for complete coverage.