What Documents You Need for a Korea SIM Card
CONNECT ON Inc. · How we verify · sources read SEP 9, 2026
Highlights
The short answer
Any tourist buying a Korean SIM card should have their passport ready: KT's prepaid SIM is sold only to foreign visitors and requires a passport or an alien registration certificate at the point of sale. Data-only pricing runs from a 1-day plan up to a 30-day plan, with the price rising by duration, checked against the current KT roaming product page.

SIM, eSIM & Connectivity · Data · Numbers · Wi-FiPhotograph: K Travel Way
What documents do I need to buy a SIM card in Korea?
Exclusively for foreigners visiting Korea; requires a passport or alien registration certificate
How is the SIM picked up?
Reserve and pay online in advance, then pick up the SIM at the KT roaming center at the arrival airport after identity verification
How much does a data-only SIM cost?
Pricing rises with plan length: ₩6,500 for the shortest plan, ₩35,000 for the mid-length plan, and ₩71,500 for the longest plan.
What if I don't have a passport with me at the counter?
An alien registration certificate is the only other document confirmed to work in its place for this product.
| Plan length | Price |
|---|---|
| Shortest tier | ₩6,500 |
| Mid-length tier | ₩35,000 |
| Longest tier | ₩71,500 |
Questions people ask
Do I need a Korean bank card to pay for the SIM?
This page does not confirm a Korean-card requirement; it only confirms the passport or alien registration certificate needed for identity verification.



