SMS to South Korea.
Dialing code +82 · Asia. See which sender types, carrier registration timelines, and local compliance rules apply before you send transactional or marketing SMS to South Korea.
Part of Bird SMS. Check sender eligibility, registration lead times, and local rules across every market you serve.
Policy last updated 13 July 2026
What you can send
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 | Sender ID | Notes |
|---|---|---|---|---|
| Alphanumeric Sender ID | Registration unavailable | No approval wait | Registration is unavailable and the sender ID is overwritten with a random number. | One-way only. |
| Long code (phone number) | No registration required | No approval wait | The submitted sender ID is preserved. | 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
Launch in new markets without changing your code
Send to every country from the same SMS API endpoint. Register or provision an eligible local sender, enable the destination country on your workspace allowlist so traffic can only reach approved markets, and track real-time carrier delivery receipts through signed webhooks.
Sending to South Korea, answered
Common questions about sender registration, two-way replies, and compliance when launching SMS in 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
Provision compliant senders, lock down workspace destinations, and deliver SMS across global mobile networks from one API.
Scale without
losing control.
Organize teams in workspaces, control API access, and trace changes through audit logs.
Audit log
Production- Workspace
- Production
- Resource
- Delivery agent
- Read accessRead & write