Japan
SMS Services in Japan
Deliver messages instantly through secure and regulated SMS services across Japan.
SMS & Telecom Governance
Who Regulates Messaging & Telecom in Japan?
Regulatory Authority
Ministry of Internal Affairs and Communications (MIC)
Governs all SMS traffic and telecom policies
Ensures compliance for businesses
Telecom Operators
NTT Docomo
KDDI au
SoftBank
Rakuten
- Both operators provide infrastructure for enterprise SMS services
- Sender ID and content approval handled via their platforms
Telecom Market share in Japan
Japan’s telecom sector is dominated by four major operators, with NTT DoCoMo leading at around 50%, followed by KDDI (au) at 31%, SoftBank with 25%, and the newer entrant Rakuten Mobile holding about 4% of the market.
Country Summary Snapshot
Japan - An Overview
| Country Code | JP |
|---|---|
| Region | Asia |
| Capital | Tokyo |
| Currency | Japanese Yen |
| Language | Japanese |
| Calling Code | +81 |
| MCC | 440 |
| Mobile Number Portability | Yes |
| Two Way SMS supported | Yes |
| Character Limit | 160 characters |
| Concatenated Messages Support | Yes |
| SenderID Registration Required | No |
Regulation
SMS Regulations
Businesses and organisations must comply with Japan’s telecom regulations, overseen by the Ministry of Internal Affairs and Communications (MIC), to send SMS legally. Separate rules apply for domestic SMS traffic and for international messaging.
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