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KT Global Customer Service Official Information and How to Use It | settlykorea

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KT Global Customer Service

KT's official foreign-customer support hub for mobile plans, required documents, multilingual help, and current global-store guidance.

Official online service

This page focuses on official coverage and current verification links instead of implying that the service is one physical branch.

Overview

Coverage: Online and nationwide stores
Language Support: Korean, Limited English varies by staff
Phone: 080-448-0100
Homepage: https://globalshop.kt.com/support/customer-service.do
Last verified: Jul 20, 2026

Official sources

Best For

SIM card setupLong-term phone planAccount troubleshooting

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Confirm whether the plan supports identity verification SMS.

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Has phone numberYes

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Last verifiedYes

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