Number overview
For 0800-080-3390, directories carry user reports describing mail-order and health-product solicitations (as of 2026-08-03). jpnumber registers it under a mail-order vendor name, Telnavi lists several health-product solicitation reports, and posts describe mass outbound calls that hang up on voicemail.
Reported behavior
- Phone solicitations for mail-order and health-related products
- Calls that disconnect when voicemail answers
How to handle this call
You may simply decline
Re-soliciting someone who has declined is prohibited by law. Say no clearly and hang up.
Check subscription terms in writing
If you do buy, confirm recurring-purchase terms and cancellation steps in writing, not by phone.
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: registration under a mail-order vendor name
- Telnavi: user reports of health-product solicitations
- X and Hatena-bookmarked articles: reports of mass outbound sales calls
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