Permitted Number of Lines
Prepaid lines are limited to one line per person.
Service Usage Period
If the service is activated with a passport: The service may be used for up to 90 days, after which time mobile phone service is automatically suspended. Those wishing to extend their usage period need to visit an official kt retailer or kt Plaza with a copy of their passport or Certificate of Alien Registration, or contact kt’s Customer Service Center.
If the service is activated with a Certificate of Alien Registration: The service may be used until the sojourn expiration date listed on the certificate, after which time services are automatically suspended. Those who have extended their sojourn period need to visit an official kt retailer or kt Plaza or contact kt’s Customer Service Center.
Changing or Canceling Services
In the event that you wish to change your phone number, or other parts of your service, bring your phone with you to an official kt retailer or kt Plaza.
Rate plans can be changed by visiting an official kt retailer or kt Plaza, going to the olleh website (http://www.olleh.com), or by contacting the Foreign Language Call Center at 1583 (toll-free from a kt mobile phone). Rate plans can only be changed once per month.
Service cancelations must be carried out in person by visiting an official kt retailer or kt Plaza.
It is prohibited in Korea to use communication services under another person’s name. The registered account holder is always legally liable for all such usage. Please do not give or lend your mobile phone to another person, and make sure to cancel your service before leaving the country.
Minors (those under 20 years of age) wishing to register for services or make a change to any services must visit a kt retailer with a legal representative and provide proof of identity with a government-issued document.