Number overview
For 090-9136-5383, multiple directories carry user reports describing sales calls in the name of Netamoto that imply an existing email exchange to get connected to the president (as of 2026-08-03). Telnavi registers it as Netamoto sales, and jpnumber reviews repeatedly quote the about-this-morning's-email opener.
Reported behavior
- Implying an existing email exchange to demand the representative
- Pressing for a same-day callback when told the person is away
How to handle this call
Verify before connecting
Check internally whether any such email exists. If not, there is no need to connect the caller.
You may simply decline
If no business is planned, state that sales contact is unwanted.
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:
- Telnavi: numerous reports under Netamoto sales
- jpnumber: many reviews describing the implied-exchange tactic (March to May 2026)
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