Local direct SMS in Japan
Registered Sender ID traffic delivered over direct connections to all 4 mobile networks in Japan.
Last verified 23 October 2026
Mobile networks
| Network | MCC / MNC | Alphanumeric Sender ID | Status |
|---|---|---|---|
| KDDI | 440 / 50, 54, 07, 51 | Supported | Active |
| NTT | 440 / 10 | Supported | Active |
| Rakuten | 440 / 11 | Supported | Active |
| SoftBank | 440 / 20, 04 | Supported | Active |
Sender ID at a glance
Full Sender ID rules →- Registration
- Required on every network
- Setup fee
- USD 100 per network
- Lead time
- 21 business days
- Recurring fee
- None
Compliance highlights
All compliance rules →- Quiet hours
- No statutory quiet hours identified; send promotional SMS 08:00-20:00 local time (industry best practice). Transactional/OTP 24/7.
- Consent
- Opt-in consent required for advertising messages (Specified E-mail Act covers SMS); keep consent records.
- Data protection law
- APPI; Act on Regulation of Transmission of Specified Electronic Mail. Supervisory authority: PPC / MIC.