Number overview
For 050-5527-6140, directories carry user reports describing real-estate investment sales calls in the name of Prestige (as of 2026-08-03). jpnumber reviews include an account of the caller admitting the contact list was bought from a list broker, and Telnavi registers the number under investment sales.
Reported behavior
- Real-estate investment solicitations
- Talk leveraging personal data apparently sourced from name lists
How to handle this call
You can demand data suspension
Under Japan's privacy law you may demand that a business stop using your personal data. Invoke it if list-based calls persist.
Re-solicitation can be refused
Say clearly that you will not contract and want no further calls; re-solicitation is prohibited.
Sources of the reports
The descriptions on this page are based on user reports posted to third-party phone-number directories (checked as of 2026-08-03). This site has not independently verified the caller, and nothing here identifies the caller definitively. The reporting sources we checked are:
- jpnumber: three reviews of investment sales in the name of Prestige (April and May 2026)
- Telnavi: investment-sales registration
Where to report or get help
- Consumer Hotline: 188
- Police consultation line: #9110
- Ministry of Internal Affairs and Communications - Telecommunications Consumer Consultation Center: 03-5253-5900