SIM registration is essential for both travelers and locals, as it ensures secure mobile connectivity, compliance with local regulations, and access to important services such as emergency alerts, mobile banking, and reliable communication while traveling. For tourists, having a registered SIM allows seamless navigation, contact with family, and easy access to local information. While staying connected, you can also plan exciting trips and discover cultural highlights by exploring the Top Places to Visit in South Korea, where vibrant cities, historic landmarks, scenic landscapes, and traditional festivals provide unforgettable experiences for every traveler.