South Korea SMS messaging regulations and restrictions

There are a few things to bear in mind when sending SMS messages to (and within) South Korea regarding format and pricing. See these and additional sending regulations in the table below, or visit the Korea Communications Commission online for more information.

It’s a good idea to work with a sales advisor to ensure compliance with all SMS regulations. Get in touch now and set up your messaging program with the help of our experts.


Restrictions Description
Sender ID
All sender ids are overwritten with Korean long codes
General Content Restrictions
  • When using Korean characters, the maximum message length for a single part is 40 characters. The standard message price applies.
  • Chinese characters and binary are not supported.
  • Only single-part messages are allowed.
  • Gambling content is not allowed.


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