KT Global Service Center
KT Global Service Center Information,
How to Contact KT Global Service Center
Get help from the KT Global Customer Service Center.
Our multilingual call center provides support in English, Chinese, Vietnamese, and Russian.
For assistance, contact KT Customer Service at 080-448-0100 (Mon-Fri, 9 AM-6 PM KST).
080-448-0100
Languages available for consultation English, Chinese, Vietnamese, and Russian
Operation hours 09:00 to 18:00, Monday to Friday
See FAQs