Number overview
For 042-816-3353, jpnumber carries several user reports describing calls in the name of Rakuten Card (as of 2026-08-03), most suspecting fraud or account takeover, with a few noting a polite manner. Because the reports come from a single site, this page limits itself to what those reviews state.
We could not find this number among the contact desks and caller numbers published on Rakuten Card's official site (as of 2026-08-03).
Reported behavior
- Calls in the name of Rakuten Card (reports concentrated March to May 2026)
- Suspicions of fraud and account takeover
How to handle this call
Reveal nothing on the call
Never give card numbers, PINs, or one-time passwords by phone, whoever the caller claims to be.
Verify via official channels
Do not call the incoming number back; check via Rakuten e-NAVI, the official app, or the desk on the back of your card.
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: six reviews describing calls in the name of Rakuten Card (March to May 2026)
- Rakuten Card official site: the number does not appear among published desks and caller numbers (reverse check)
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