When traveling to South Korea, getting a local SIM card is essential for staying connected. Upon arrival, you can easily find SIM cards at the airport, convenience stores, or mobile carrier shops. The major mobile providers include SK Telecom, KT, and LG U+. You can choose between prepaid or postpaid plans, with options for data, calls, and text messaging. For short-term visitors, a prepaid SIM card with a data plan is usually the most convenient. Make sure your phone is unlocked before purchasing a local SIM. The process is straightforward, and most vendors offer assistance in English. With a local number, you can enjoy reliable internet, make local calls, and navigate the city with ease. It’s a quick and affordable way to stay connected during your trip to South Korea.