Osaka-shi synthetic address generator
Generate fictional data for form debugging, checkout testing, and learning local address formats. Search by city, region, or postal code. (Osaka-shi)
Streets, names, phones, and companies are synthetic — they do not represent real residents.
Choose a country or region
Country format detailsJP
Japan postcodes are XXX-XXXX; My Number is 12 digits; admin hierarchy is 都道府県/市区町村/町域.
Essential formats
- Postal format
XXX-XXXX (3-4).
- Phone format
City code 1-4 digits (Tokyo 03) + subscriber 4 digits, +81.
ID format
- My Number (Individual Number)
12 digits; used for tax/social security, not a daily ID.
Admin structure
- Hierarchy
都道府県 (47) → 市区町村 → 町域. Tokyo's 23 wards are special.
Frequently asked questions
How do I generate a Osaka-shi test address?
The location is preselected as Osaka-shi. Generate a profile for synthetic data in the local format.
Is the same Osaka-shi address generated every time?
No. Personal and contact details are synthesized again each time.
Can I use this for real delivery or identity checks?
No. Use it only for development and format testing.