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Japan Address Generator

Generate random Japanese addresses with realistic format for software testing, user registration, form validation and more.

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FULL ADDRESS
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Saved Addresses

📝 Japan Address Format Guide

〒100-0001
東京都 ← Prefecture
千代田区 ← City/Ward
千代田1-1-1 ← Block
佐藤 太郎 様 / Sato Taro
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    Postal Code

    Japanese postal codes are 7 digits, format: XXX-XXXX

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    Prefecture

    Japan has 1 To (Tokyo), 1 Do (Hokkaido), 2 Fu (Osaka, Kyoto), and 43 Ken

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    City/Ward + Block

    Detailed address includes city/ward/town/village name plus chome, banchi, and go numbers

✨ Why Choose Us

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Realistic Format

Strictly follows Japan Post format standards with correct prefecture codes, postal zones, and area codes.

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Furigana Included

Names are generated with both Kanji and Katakana (フリガナ), meeting Japanese form requirements.

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Privacy Safe

Pure static page. All generated data stays on your device only, never uploaded to any server.

Ready to Generate Addresses?

Use our free Japan Address Generator with no registration required. Perfect for development and testing needs.

❓ FAQ

1. What is the purpose of this Japanese address generator?
This tool is primarily designed for software development, international e-commerce form validation, localized UI testing, and privacy protection. It rapidly generates formatted, compliant Japanese addresses for testing.
2. Are the generated Japanese addresses real and legal?
The generated addresses are simulated test data. While administrative divisions, postal codes, and area codes are realistic and mathematically aligned, the specific blocks, street numbers, and names are randomized and do not exist in the physical world.
3. Do the postal codes accurately match the selected cities?
Yes. Our dataset strictly adheres to the actual Japan Post administrative division directory. The generated 7-digit postal codes are fully mapped and matched to the selected prefecture and city, ensuring 100% syntactic validation.
4. What is Furigana (フリガナ)?
In Japan, Kanji names and addresses can have multiple pronunciations depending on context. Consequently, most Japanese forms require "Furigana" (usually written in Katakana) to denote the reading. This generator automatically outputs matching Furigana along with Kanji.
5. What is the format of the generated phone numbers?
Generated phone numbers map correct Japanese area codes (e.g., Tokyo 03, Osaka 06), local exchanges, and subscriber numbers, formatted as landlines (0X-XXXX-XXXX) or mobile networks (080/090/070-XXXX-XXXX) compliant with Japanese telecom standards.
6. Is my personal privacy secure using this tool?
Absolutely. This generator operates entirely client-side within your browser. There is no backend database or logging server. Your generated profiles and testing data never leave your local device.
7. What data export formats are supported?
The generator supports single address generation, bulk generation (up to 100 entries), one-click clipboard copying, and exporting directly into highly structured CSV or JSON files for easy batch automation.
8. Can the generated addresses be used for actual shipping?
No. Since block numbers, street addresses, and recipient names are simulated, they cannot receive mail or packages. Please do not use them for real-world transactions, logistics, or delivery purposes.