What is KoreaSIM?
Everyone's Choice to Visit Korea
Korea SIM provides optimal mobile communication services when traveling to Korea. eSIM, USIM, WiFi Egg (Router) configured including data only or voice outgoing The best prepaid mobile communication solution for entering Korea is always available at CoreaSIM.
What is PREPIA?
All about SIM Solution in Korea
Prefia Co., Ltd. is people who are thinking about the future of the mobile telecommunication SIM solution in Korea. USIM, eSIM, and the next generation cloud-SIM Prefia Co., Ltd. will make the history of SIM in Korea.
PREPIA History