South Korea
SMS Services in South Korea
Reach customers instantly with reliable, regulated SMS solutions across South Korea.
SMS & Telecom Governance
Who Regulates Messaging & Telecom in South Korea?
Regulatory Authority
Ministry of Science and ICT /KCC
Governs all SMS traffic and telecom policies
Ensures compliance for businesses
Telecom Operators
SK Telecom
KT
LG Uplus
- Enterprise messaging is routed exclusively through regulated operator networks.
- Compliance checks, including sender identity and message content, are managed directly by the operators.
Telecom Market share in South Korea
In South Korea, KT Corporation leads the telecom market with about 45% share, followed by SK Telecom with around 30%, while LG U+ holds approximately 25%, forming a three-operator market structure.
Country Summary Snapshot
South Korea - An Overview
| Country Code | KR |
|---|---|
| Region | Asia |
| Capital | Seoul |
| Currency | South Korean won |
| Language | Korean |
| Calling Code | +82 |
| MCC | 450 |
| Mobile Number Portability | Yes |
| Two Way SMS supported | No |
| Character Limit | One SMS segment can hold up to 140 bytes. |
| Concatenated Messages Support | Long messages are no longer supported and will be delivered and displayed on the handset as multiple separate segments |
| SenderID Registration Required | No |
Regulation
SMS Regulations
Businesses and organizations must comply with South Korea’s telecom regulator, KCC (Korea Communications Commission), to send SMS legally. Separate regulations apply for domestic SMS traffic and for international messaging.
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