How much is the SIM cost? Kimchi Mobile Team September 06, 2017 00:13 Updated Follow Your SIM card (8,800KRW included VAT) will be automatically charged on your first cell phone bill. Related articles I need a new Korean SIM card, what document required? How can I check my monthly bills or data usage? I need SK telecom (t-world) customer service center contact information I have a Korean cell phone number, can I keep this number for this deal? How can I make an international call to my family? Comments 0 comments Please sign in to leave a comment.