SIM Card: You can order online and pick up your SIM card at the airport when visiting Korea.
In Korea, authentication is often required to call a taxi or order food.
Traveling in Korea is more convenient if you have a phone number that can be verified.
Even if you do not have a Korean ID card, you can apply with your passport.
Non-Koreans can also pay by paypal or wise. Only Korean credit cards are accepted for payment.
You can pick up your SIM card at the airport.
For more information, please contact on Kakao Talk ID “chingu-mobile”.