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ListPostCode
HomeCountriesContinents
ToolsBlog

Stay Updated

Get the latest postal code updates, new tools, and guides delivered to your inbox.

New postal code updatesFree tools and featuresGuides and insights

No spam, unsubscribe anytime.

ListPostCode

The comprehensive postal code directory. Find codes for any location and country quickly and accurately.

Tools

  • ATM Finder
  • Download Printable Postal Codes
  • Postcode Widget Generator
  • Post Office Finder
  • Currency Converter

Resources

  • All Postal Codes
  • Find Post Office
  • Maps
  • Countries
  • Blog

Info

  • About
  • Advertise with us
  • Contact
  • Privacy
  • Terms

© Copyright 2026 ListPostCode. All rights reserved.

  1. Home
  2. Continents
  3. Asia
  4. Japan
🇯🇵

Japan Postal codes

日本

0600000Asia7 chars
Browse All Codes Lookup Tool
Total Codes

126.0K

Code Length

7 chars

Prefectures

47

Admin Levels

3

Interactive Map

Explore Japan's 47 prefectures with our interactive map.

Open Map

Find Post Offices

Locate post offices across Japan. Find addresses and contact information.

Find Offices

Understanding Japan Postal codes

E‑commerce flows to Japan require accurate seven-digit postal data (0600000); without it, JP partners may hold parcels or downgrade service until.

Key Characteristics

Code Type

Numeric

Administered By

National Postal Service

Coverage

Nationwide

Postal code format breakdown

Japan uses numeric postal codes with 7 digits (example: 0600000). In our directory, these codes are organized from prefectures down to neighborhoods.

Visual Structure

0
6
0
0
0
0
0

E‑commerce flows to Japan require accurate seven-digit postal data (0600000); without it, JP partners may hold parcels or downgrade service until.

Administrative Hierarchy

How Japan organises areas for postal codes

Prefectures(47)
Municipalities(1.5K)
Districts(124.5K)
1

Prefecture

47 total
Browse all prefectures
2

Municipality

1.5K total
3

District

124.5K total

Prefectures Directory

Browse all 47 top-level divisions

HOKKAIDO
AOMORI KEN
IWATE KEN
MIYAGI KEN
AKITA KEN
YAMAGATA KEN
FUKUSHIMA KEN
IBARAKI KEN
TOCHIGI KEN
GUMMA KEN
SAITAMA KEN
CHIBA KEN
TOKYO TO
KANAGAWA KEN
NIIGATA KEN
TOYAMA KEN
+31 more

Addressing Mail to Japan

Step-by-step guide for correct address formatting

1
Recipient name
2
Building name and number
3
Street, block
4
City Prefecture
5
Postal code JAPAN

Sample Address Block

Name; 12 Tokyo Tower; Shibakoen 23; Minato Tokyo 876-4512; JAPAN

Delivery Best Practices

Tips for successful mail and package delivery

Always verify the postal code

Verify your postal code is complete (7 digits) before sending. Use our lookup tool to confirm accuracy.

Include all address levels

Write the full address hierarchy for best results.

Avoid abbreviations

Write out full prefecture names to prevent sorting errors.

Don't omit the postal code

Missing postal codes cause significant delivery delays and may result in returned mail.

Shipping to Japan

What to know when sending packages

Standard domestic delivery within Japan typically takes 2–7 business days. International packages require complete address information including the postal code. Always include the correct 7-character code for fastest routing.

Frequently Asked Questions

Common questions about Japan postal codes

What is the postal code format for Japan?

Japan uses 7 digits in the postal code. An example is 0600000. E‑commerce flows to Japan require accurate seven-digit postal data (0600000); without it, JP partners may hold parcels or downgrade service until.

How many prefectures does Japan have?

Japan has 47 prefectures with postal code coverage. Use our browse tool to explore them.

How do I find my postal code in Japan?

Use our free lookup or browse by prefecture to find the exact postal code for your location.

Where do I write the postal code on a Japan address?

The postal code is written on the same line as or immediately after the prefecture, before the country name when mailing internationally.

More Countries in Asia

🇦🇪

United Arab Emirates

AE

🇦🇫

Afghanistan

AF

🇦🇲

Armenia

AM

🇦🇿

Azerbaijan

AZ

🇧🇩

Bangladesh

BD

🇧🇭

Bahrain

BH

View all countries in Asia

Example Code

0600000

7 characters

Country Facts

Continent
Asia
ISO Alpha-2
JP
Admin Levels
3

On This Page

OverviewMap & Post OfficesAbout the SystemPostal code formatAdmin HierarchyPrefectures DirectoryAddress GuideDelivery TipsShipping InfoFAQRelated Countries

Free Postal codes tools

Look up, validate, and download Japan postal codes.

Postal code lookup Address Validator Download PDF
  1. Home
  2. Continents
  3. Asia
  4. Japan
🇯🇵

Japan Postal codes

日本

0600000Asia7 chars
Browse All Codes Lookup Tool
Total Codes

126.0K

Code Length

7 chars

Prefectures

47

Admin Levels

3

Interactive Map

Explore Japan's 47 prefectures with our interactive map.

Open Map

Find Post Offices

Locate post offices across Japan. Find addresses and contact information.

Find Offices

Understanding Japan Postal codes

E‑commerce flows to Japan require accurate seven-digit postal data (0600000); without it, JP partners may hold parcels or downgrade service until.

Key Characteristics

Code Type

Numeric

Administered By

National Postal Service

Coverage

Nationwide

Postal code format breakdown

Japan uses numeric postal codes with 7 digits (example: 0600000). In our directory, these codes are organized from prefectures down to neighborhoods.

Visual Structure

0
6
0
0
0
0
0

E‑commerce flows to Japan require accurate seven-digit postal data (0600000); without it, JP partners may hold parcels or downgrade service until.

Administrative Hierarchy

How Japan organises areas for postal codes

Prefectures(47)
Municipalities(1.5K)
Districts(124.5K)
1

Prefecture

47 total
Browse all prefectures
2

Municipality

1.5K total
3

District

124.5K total

Prefectures Directory

Browse all 47 top-level divisions

HOKKAIDO
AOMORI KEN
IWATE KEN
MIYAGI KEN
AKITA KEN
YAMAGATA KEN
FUKUSHIMA KEN
IBARAKI KEN
TOCHIGI KEN
GUMMA KEN
SAITAMA KEN
CHIBA KEN
TOKYO TO
KANAGAWA KEN
NIIGATA KEN
TOYAMA KEN
+31 more

Addressing Mail to Japan

Step-by-step guide for correct address formatting

1
Recipient name
2
Building name and number
3
Street, block
4
City Prefecture
5
Postal code JAPAN

Sample Address Block

Name; 12 Tokyo Tower; Shibakoen 23; Minato Tokyo 876-4512; JAPAN

Delivery Best Practices

Tips for successful mail and package delivery

Always verify the postal code

Verify your postal code is complete (7 digits) before sending. Use our lookup tool to confirm accuracy.

Include all address levels

Write the full address hierarchy for best results.

Avoid abbreviations

Write out full prefecture names to prevent sorting errors.

Don't omit the postal code

Missing postal codes cause significant delivery delays and may result in returned mail.

Shipping to Japan

What to know when sending packages

Standard domestic delivery within Japan typically takes 2–7 business days. International packages require complete address information including the postal code. Always include the correct 7-character code for fastest routing.

Frequently Asked Questions

Common questions about Japan postal codes

What is the postal code format for Japan?

Japan uses 7 digits in the postal code. An example is 0600000. E‑commerce flows to Japan require accurate seven-digit postal data (0600000); without it, JP partners may hold parcels or downgrade service until.

How many prefectures does Japan have?

Japan has 47 prefectures with postal code coverage. Use our browse tool to explore them.

How do I find my postal code in Japan?

Use our free lookup or browse by prefecture to find the exact postal code for your location.

Where do I write the postal code on a Japan address?

The postal code is written on the same line as or immediately after the prefecture, before the country name when mailing internationally.

More Countries in Asia

🇦🇪

United Arab Emirates

AE

🇦🇫

Afghanistan

AF

🇦🇲

Armenia

AM

🇦🇿

Azerbaijan

AZ

🇧🇩

Bangladesh

BD

🇧🇭

Bahrain

BH

View all countries in Asia

Example Code

0600000

7 characters

Country Facts

Continent
Asia
ISO Alpha-2
JP
Admin Levels
3

On This Page

OverviewMap & Post OfficesAbout the SystemPostal code formatAdmin HierarchyPrefectures DirectoryAddress GuideDelivery TipsShipping InfoFAQRelated Countries

Free Postal codes tools

Look up, validate, and download Japan postal codes.

Postal code lookup Address Validator Download PDF