Telekom
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
- Last verified
- 20 Jul 2026
Official sources
Best For
SIM card setupLong-term phone planAccount troubleshooting
Tips
Confirm whether the plan supports identity verification SMS.