SMS destination
South Korea
Dialing code +82 · Asia. Review the recorded SMS sender capabilities and country requirements for South Korea.
Part of Bird SMS. Compare the sender and operational requirements across your markets.
Policy last updated 13 July 2026
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Two-way messaging
Supported
Sender types
Compare the sender types listed for this destination, their registration requirements and recorded setup estimates. Confirm availability, throughput and timing for your use case.
| Sender | Activation | Setup time | Notes |
|---|---|---|---|
| Alphanumeric Sender ID | No registration required | No approval wait | One-way only. |
| Long code (phone number) | No registration required | No approval wait | Supports two-way replies. |
Rules & regulations
Use this recorded country reference to prepare your launch. Requirements can depend on message purpose, sender type, network and recipient location; confirm the applicable rules before sending.
International Sender Prefix
[국외발신] or [국제발신] will be automatically appended to SMS on the operator's end. These phrases mean "Overseas Sending" or "International Sending" respectively. These words are not counted in the message length.
Character Limits
One SMS segment can contain up to 140 bytes only, which is equivalent to:
- 140 characters using GSM-7 encoding
- 70 characters using UCS-2 16-bit encoding
Concatenated SMS (LMS)
Concatenated SMS is known as LMS in South Korea. By default, it is not supported. Messages may be:
- Trimmed
- Delivered with different parts
- Split into parts that are not received in the correct sequential order
One API
How sending works
Use the same SMS API across supported destinations. Prepare an eligible sender, enable the destination and apply the recipient permission your message requires. Track the accepted message through carrier submission and the delivery reports available for that route.
Sending to South Korea, answered
What senders ask before their first message to South Korea.
Do I need to register a sender before sending SMS to South Korea?
Can I use an alphanumeric sender ID in South Korea?
Can I receive replies from South Korea?
Are there quiet hours for SMS in South Korea?
What other channels can Bird reach South Korea on?
The rest of the SMS platform
One API, one set of keys. Explore the other capabilities.
Put it into practice.
Continue with the documentation, guides and examples for this topic. Resources are in English.
Start sending to South Korea
Create a workspace, register a sender, and send your first message from the same API you will scale on.