Roaming Guide

Roaming service mini-guide - This tells you important facts for using roaming.

If you have lost your phone and the USIM card during overseas roaming, you must contact the Global Roaming Center immediately.

  • To report a loss abroad call +82-70-7998-0045 (for a fee)
  • KT is not responsible for damages caused by customers' failed notification.
  • Check the collect call number of your visiting country before your departure and contact the customer center for free.
  • Roaming charges are basically added to the customer's mobile phone bill in the following month after roaming services have been used, but it may be billed after 2 months or more depending on the circumstances of the overseas provider.

As roaming services and the domestic calling plan is applied to the bill separately, the basic charges within the country will be the same even if roaming services are used.
In addition, discounts and unlimited benefits that come with domestic calling plans are not applied during roaming, and free data and call services in the plan are also excluded.

There are also additional charges for incoming voice and video calls during roaming. However, there are no additional charges for all incoming text messages (SMS, LMS, MMS) during roaming.

Upgrade Guide

Upgrade Guide
Samsung
Mobile Phones
Please make sure to upgrade your S/W with the latest version in order to receive reliable overseas roaming service.
Please refer to the mobile phone manufacturer's website.
Samsung Mobile : KR.SAMSUNGMOBILE.COM
LG
Mobile Phones
Please make sure to upgrade your S/W with the latest version in order to receive reliable overseas roaming service.
Please refer to the mobile phone manufacturer's website.
LG Cyon : WWW.CYON.CO.KR
KT Tech Please make sure to upgrade your S/W with the latest version in order to receive reliable overseas roaming service.
Please refer to the mobile phone manufacturer's website.
EVER : WWW.KTTECH.CO.KR
Pantech Affiliates Please make sure to upgrade your S/W with the latest version in order to receive reliable overseas roaming service.
Please refer to the mobile phone manufacturer's website.
Pantech : WWW.ISKY.CO.KR
* As time setting can be different for each mobile phone during roaming, please check the setting to use roaming service more conveniently.

Depending on the country and provider, roaming charges may be added from the first moment of outgoing call or from the first moment of dial tone, so please take note.

Customers Ineligible for Roaming

  • PrePaid Calling Plan Customers
  • Temporarily Suspended and Terminated Customers
  • Temporarily Suspended and Terminated Customers Due to Unpaid Amounts
  • Customers with Restricted International Calls
  • Customers Registered to Roaming Blocking Service
  • Customers Subscribed to Biggy Plan

KT is providing roaming services to the customers under roaming agreement with overseas mobile providers, and matters concerning rates, services offered, terms and conditions, etc. are subject to roaming services set by the overseas providers.

  • As caller-ID service is not available in some countries, we kindly ask for your understanding.
  • Please note that there may be limits on roaming coverage depending on your mobile phone type and upgrade status.

Please note that customers who have WCDMA mobile phones have partial coverage limits when roaming in 3G countries other than Japan.

Free Information Service Number

  • This is a free information number for customers with questions and problems that may arise during overseas roaming.
  • Please only use local public phones or landlines. Additional charges may apply when calling from a roaming phone.
How to Use Free Information Service
Direct Call Number to Korea > Announcement > Select No. 4 > Press Roaming Center Number (070-7998-0045) to Connect Immediately