Local direct SMS in South Korea
Registered Sender ID traffic delivered over direct connections to all 3 mobile networks in South Korea.
Last verified 23 October 2026
Mobile networks
| Network | MCC / MNC | Alphanumeric Sender ID | Status |
|---|---|---|---|
| KT Freetel | 450 / 08 | Supported | Active |
| LG Telecom | 450 / 06 | Supported | Active |
| SK Telecom | 450 / 05 | 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
- Advertising SMS 21:00-08:00 requires separate prior consent.
- Consent
- Prior explicit consent for advertising SMS; consent must be reconfirmed every 2 years.
- Data protection law
- PIPA; Network Act art.50 (advertising information). Supervisory authority: PIPC / KMCC.