Republic of Korea (South Korea)

The key details for mobile messaging in the Republic of Korea (South Korea) are below. We have full one-way reach to all mobile operators in this region. For a datasheet that contains more information, such as best practices and the proportion of subscribers on each mobile operator, please contact us.

See help for an explanation of each field.

Region

Eastern Asia

Dialing Code

82

1-way

Yes

2-way

Short Code Only

2-way Setup Time

2

Primary Character Encoding

GSM

Max Characters for Single-part message

160

Multi-part messages

No

Delivery Receipts

Yes*

Mobile Number Portability

Yes

Alphanumeric Originator maintained on 1-way

No, overwritten

Alphanumeric Originator Registration required

Alphanumeric not supported

Short Code maintained on 1-way

Overwritten

Local Long Code maintained on 1-way

Overwritten

International Long Code maintained on 1-way

Yes

* Notes

To ensure delivery all alpha originators are replaced with a UK number prefixed with 006. Numeric originators will be prefixed with 006. ”[ 발신]" or ”[국제발신]” will usually be added to the beginning of the message body to distinguish between domestic or international traffic. For 2 way replies the number will need to be added to the body of the message and the end user asked to reply to that number. Delivery receipts (not handset) are supported. 2-way To obtain a local 2-way Originator, companies must be registered in South Korea. Only 1 Originator will be assigned per company, it is strictly prohibted to resell or share and it must be only used for 2-way services.

Guidance / Restrictions

The following rules apply 1) (advertisement) at the beginning, 2) Phone number, email add or any other simple way to opt out, 3) It should not cost the end user to opt out, opt in required. No spam, religious, political, gambling or adult content.