

KT Prepaid Data SIM — 3 days (airport pickup)
272 Gonghang-ro, Incheon International Airport Terminal 1 (Arrival Hall F, 1F), Yeongjong-gu, Incheon
Hosted by KT Roaming Center
KT Prepaid Data SIM (physical USIM), 3 days. Official list price 18,000 KRW including VAT (product code RU32 on KT's product API). For foreign visitors. Collect and activate at a KT roaming center at Incheon Airport (24-hour desk: Terminal 1, 1F Arrival Hall F). Data-only unless you top up voice after identity verification. Reserve online at roaming.kt.com or buy on site.
₩18,000/ day