US Address Generator

Free Japanese Address Generator for Testing

Generate random Japanese address test data across all 47 prefectures, organized into Japan's 8 major regions, with postal code, name, and phone fields.

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Generated Result

Click the 'Generate Japan Address' button above to generate an address

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Japan's 47 Prefectures in 8 Major Regions

The generator covers all 47 prefectures and organizes them into Japan's 8 commonly used geographic regions.

  • Kanto Region (KANTO) - Including Tokyo and Kanagawa Prefecture, the political and economic center of Japan
  • Kansai Region (KANSAI) - Including Osaka, Kyoto, and Hyogo Prefecture, the cultural center of Japan
  • Chubu Region (CHUBU) - Including Aichi and Shizuoka Prefecture, the industrial center of Japan
  • Tohoku Region (TOHOKU) - Including Miyagi and Fukushima Prefecture, an important agricultural region of Japan
  • Chugoku Region (CHUGOKU) - Including Hiroshima and Okayama Prefecture, western Honshu region
  • Shikoku Region (SHIKOKU) - Including Kagawa and Ehime Prefecture, one of Japan's four main islands
  • Kyushu Region (KYUSHU) - Including Fukuoka and Kumamoto Prefecture, an important southern region of Japan
  • Hokkaido (HOKKAIDO) - Japan's northernmost island, famous for natural scenery and agriculture

Use Cases

Use generated Japanese address data for safe testing and localization work:

  • Address form validation and QA testing
  • Checkout and shipping-form test scenarios
  • Japan localization testing for websites and apps
  • Database seeding and sample data generation
  • Learning Japanese address format and postal code system
  • API interface address validation testing

Japanese Address System

Postal Code Format

Japanese postal codes use a 7-digit format, separated by hyphen as XXX-XXXX, e.g., 100-0001 (Chiyoda, Tokyo)

Address Hierarchy Structure

Japanese addresses follow the order from large to small: Prefecture → City/Ward/Town/Village → Chome → Banchi → Go

Phone Number Format

Japanese phone number format is +81-XX-XXXX-XXXX, where area codes vary from 2-4 digits

Prefecture System

Japan is divided into 47 prefectures, including 1 To (Tokyo), 1 Do (Hokkaido), 2 Fu (Osaka, Kyoto), and 43 Ken

Chome-Banchi-Go System

Japan’s unique address numbering system where Chome represents blocks, Banchi represents lots, and Go represents specific buildings

Regional Classification

Japan is traditionally divided into 8 regions: Hokkaido, Tohoku, Kanto, Chubu, Kansai, Chugoku, Shikoku, and Kyushu

Random Address in Japan for Testing

Use this Japan address generator when you need a random address in Japan for development, QA, form validation, checkout testing, or localization review.

Generated results can include a Japanese address structure, postal code, name, and phone number. All 47 prefectures are available and grouped into Hokkaido, Tohoku, Kanto, Chubu, Kansai, Chugoku, Shikoku, and Kyushu.

The generated information is intended for test data and learning purposes only. It should not be used as a real delivery address or as real personal identity information.

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Learn how realistic formatting improves form, database, and localization testing.

Japan Address Generator FAQ

Can I generate a random address in Japan?
Yes. Select a prefecture or use random generation to create fictional Japanese address test data for forms, QA, localization, and address-format learning.
Does the Japan address generator include postal codes and phone numbers?
Generated results can include Japanese-style address fields, postal codes, names, and phone numbers so you can test forms and data layouts more completely.
What does a generated Japanese address include?
A generated result can include a Japanese-style address, postal code, name, phone number, prefecture, region information, and structured fields for copying or testing.
Can I generate Tokyo or Osaka-style addresses?
Yes. You can select Tokyo, Osaka, or any of Japan’s other 45 prefectures. Tokyo is grouped under Kanto and Osaka under Kansai.
Are these Japanese addresses for real delivery?
No. The generated addresses are sample test data for development, QA, form validation, localization, and learning Japanese address formats.
Why do Japanese addresses use chome, banchi, and go?
Japanese addresses often use a block-based structure. Chome refers to a district subdivision, banchi to a block or lot number, and go to a building or house number.

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