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South Korea · Telecom, Internet & Apps
KT
KT is a major South Korean mobile operator offering tourist SIM and eSIM plans with strong coverage across the country.
What it helps with
- Data right after landingIncheon airport counters.
- eSIM before the tripOnline activation.
- A Korean number for appsNeeded for verification.
About KT
As one of Korea's three main national operators, KT has invested heavily in tourist-facing services, including eSIM options that let visitors activate a Korean data plan digitally without a physical store visit.
Key Features
- Tourist SIM & eSIM Plans: Choose between a physical SIM or digital eSIM activation for your stay.
- Airport Counters: Buy a SIM directly at counters in major Korean airports.
- English Interface: Tourist-facing services and signage are available in English.
- Solid Network Coverage: Reliable coverage across major cities and most tourist destinations.
How to Get Started
- Purchase a tourist SIM or eSIM plan online in advance, or buy one at the airport counter with your passport.
- Activate the physical SIM or eSIM following the provided instructions.
- Use the data plan for the duration of your stay.
- Top up or extend the plan online if needed.
Before you use it
- Sign-up: A KT tourist SIM is sold on a passport at airport counters; postpaid plans need an ARC.
- Good to know: Data-only tourist SIMs cannot receive the SMS codes many Korean apps need; a plan with a number solves that.
English available
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Frequently Asked Questions
- Does KT work with a foreign bank card in South Korea?
- Not reliably - a foreign card may be declined. Check the notice above, or plan to use a local payment method.
- Is KT available in English?
- Yes, KT has an English-language interface.
- Do I need a local phone number to use KT?
- No, an international phone number generally works for KT.
- Do I need local ID or residency for KT?
- No, KT doesn't require local ID or residency for visitors.
- Where can I use KT?
- iOS · Android · Web
- How much does KT cost?
- Tourist SIM and eSIM priced by number of days; resident plans monthly