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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 ← 都道府県 (Prefecture)
千代田区 ← 市区町村 (City/Ward)
千代田1-1-1 ← 番地 (Block)
佐藤 太郎 様
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    Postal Code (郵便番号)

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

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    Prefecture (都道府県)

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

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    City/Ward + Block (市区町村 + 番地)

    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

What is the Japanese address format?
Japanese addresses consist of postal code (7 digits), prefecture, city/ward/town, and street number. The order is from largest to smallest unit.
What is Furigana (フリガナ)?
Furigana is a reading aid using katakana to show the pronunciation of kanji characters. Japanese forms typically require both kanji name and furigana reading.
Are the generated addresses real?
No. The addresses follow real Japanese address formats but are randomly generated. Physical addresses may not exist. For testing purposes only.
What is the phone number format?
Japanese landline format is 0XX-XXXX-XXXX, mobile format is 090/080/070-XXXX-XXXX.
Can I use these for Japanese website registration?
Generated addresses are for testing form validation only. Do not use for actual registration or illegal purposes.
Do you support other countries?
Yes. We provide generators for USA, Hong Kong, Taiwan, UK, Canada, Australia and more at the bottom of the page.
Do the postal codes match the cities?
Yes. Our algorithm ensures postal codes, prefectures, and cities are correctly matched according to Japan Post data standards.
Is my data secure?
Absolutely. This is a static website. All generation logic runs in your browser locally. No data is uploaded to any server.
How do I generate addresses in bulk?
Click "Generate Address" multiple times, save each one, then use the "Export CSV" button to download all saved addresses.
Is this tool free?
Yes, this tool is completely free with no usage limits.