Number overview
For 0800-080-3344, directories carry user reports describing internet-line switch sales in the name of a net customer support desk (as of 2026-08-03). Telnavi lists many reports under internet and Wi-Fi line sales, and reviews mention promises of cheaper line or provider fees.
Reported behavior
- Line-switch sales under a support-desk style name
- Claims that your provider or line fees will get cheaper
How to handle this call
Never agree by phone
A support-style name does not make it support; it is sales. Verify with your current provider's official desk.
Cooling-off rule
Telecom telemarketing can be cancelled within 8 days of receiving the contract document.
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 of internet and Wi-Fi line sales
- jpnumber: caution-labelled registration
- Hatena-bookmarked articles and X: switch sales in the name of net customer support (March 2026)
- Minna no Denwacho: reviews of cheaper-fee switch pitches
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