mapbow
Sign in My maps Make a map
Boundaries & areas 路 馃嚡馃嚨 Japan

Postcode Areas of Japan map & data

Japan has 160 postcode areas in this layer, spread over 3 prefectures. The most are in Kanagawa (141), Chiba (15) and Tokyo (4) - Kanagawa alone holds 88% of them. The largest include 225-0002, 215-0023 and 223-0062.

160areas
3prefectures
46 KBlayer size
November 2026updated
A sample of postcode areas in Japan. Open every one of them in the studio.

Postcode Areas by prefecture

PrefectureAreasShare
Kanagawa14188%
Chiba159.4%
Tokyo42.5%

Largest postcode areas in Japan

  1. 225-0002Kanagawa · pop. 26736 · 2 km²
  2. 215-0023Kanagawa · 1.8 km²
  3. 223-0062Kanagawa · 1.7 km²
  4. 214-0032Kanagawa · 1.7 km²
  5. 214-0021Kanagawa · 1.7 km²
  6. 223-0058Kanagawa · 1.6 km²
  7. 241-0005Kanagawa · 1.6 km²
  8. 226-0003Kanagawa · 1.5 km²
  9. 214-0038Kanagawa · 1.4 km²
  10. 215-0018Kanagawa · 1.4 km²
  11. 234-0052Kanagawa · 1.3 km²
  12. 224-0021Kanagawa · 1.3 km²
  13. 225-0003Kanagawa · pop. 15983 · 1.3 km²
  14. 232-0061Kanagawa · 1.3 km²
  15. 224-0001Kanagawa · 1.3 km²
  16. 214-0012Kanagawa · 1.3 km²
  17. 246-0038Kanagawa · 1.2 km²
  18. 223-0052Kanagawa · 1.2 km²
  19. 215-0017Kanagawa · 1.2 km²
  20. 234-0053Kanagawa · 1.2 km²
  21. 226-0018Kanagawa · 1.2 km²
  22. 214-0006Kanagawa · 1.2 km²
  23. 215-0003Kanagawa · 1.2 km²
  24. 214-0023Kanagawa · 1.2 km²
  25. 225-0001Kanagawa · 1.2 km²
  26. 226-0027Kanagawa · 1.1 km²
  27. 226-0016Kanagawa · 1.1 km²
  28. 226-0006Kanagawa · 1.1 km²
  29. 246-0015Kanagawa · 1.1 km²
  30. 225-0014Kanagawa · pop. 12310 · 1.1 km²
  31. 214-0004Kanagawa · 1 km²
  32. 215-0001Kanagawa · 1 km²
  33. 226-0002Kanagawa · 1 km²
  34. 226-0019Kanagawa · 1 km²
  35. 223-0053Kanagawa · 1 km²
  36. 224-0007Kanagawa · pop. 9731 · 1 km²
  37. 224-0037Kanagawa · 0.9 km²
  38. 246-0025Kanagawa · 0.9 km²
  39. 246-0031Kanagawa · 0.9 km²
  40. 223-0064Kanagawa · 0.9 km²

What's in this layer

Every postcode area in the layer comes with its name, outline (polygon), area in km², the region it belongs to and a source ID. Postal code and ZIP code boundary areas, where they are mapped.

Make a map of postcode areas in Japan

  1. Open the studio. No sign-up needed to start.
  2. Add the layer. Choose Japan and Postcode Areas - 160 areas appear at once.
  3. Make it yours. Colours, icons, labels, clusters or a heat map; add your own pins, images and notes; measure distances and draw radius circles.
  4. Share it. Copy the link or embed it on your website - it looks great on phones too.

Open postcode areas in the studio

Frequently asked questions

How many postcode areas are there in Japan?

This layer holds 160 postcode areas in Japan, the most of them in Kanagawa. The data is refreshed every 6 months; this release is from November 2026.

Can I download a list of postcode areas in Japan?

Yes. Own the layer ($5 once, or every Japan layer with the $29 Country Pass) and export it from the studio as CSV, Shapefile, GeoJSON, KML, GPX, ArcGIS, QGIS, PNG or PDF.

Is it free to put postcode areas on my map?

Yes - every map can use 2 data layers free, and you can share or embed it. Layers you buy don't count toward that limit and work in every map you make.

What information comes with each postcode area?

The name, outline (polygon), area in km², the region it belongs to and a source ID.

Related map data

More boundaries & areas in Japan

Popular in Japan

Postcode Areas in other countries

Free to start 路 no sign-up

Your map is two minutes away

Pick a country, add the places that matter, draw on it, and share it with the world - on any device.

Make a map now Browse map data