Randomly generate Japanese phone numbers (mobile, landline, toll-free), for test data and form checks
A free tool that randomly generates dummy phone numbers in Japanese formats (mobile, landline, toll-free). It is useful for creating test data (sample phone numbers) for development, testing, demos, form/report checks and seeding databases. Generate any number at once and copy or download as CSV.
No. The lower digits are randomly generated fictional values and do not point to any real phone number. Mobile uses 080/090/070, landline uses area codes, and toll-free uses 0120 etc. — only the format is reproduced. All processing runs in your browser and results are never sent to or stored on a server. Please do not actually dial them.
Yes. An option toggles hyphen separators on or off. You can also choose the type: mobile (e.g. 090-1234-5678), landline (e.g. 03-1234-5678) or toll-free (e.g. 0120-123-456). Copy or download as CSV to import into Excel, spreadsheets or a database.