Post paid Korea sim card & Prepaid Korea sim card
Post paid Korea sim card & Prepaid Korea sim card has some difference. . For the foreign visitors, I like to explain the differences, and the price of them. In addition, where, how to buy them in Korea
Korea Sim card Price
It has 2 kinds, one is Prepaid & Post paid. Prepaid has also 2 kinds. One is short term staying (less 3 months), Another one is long term staying.
Korea Prepaid sim-card price for short term travlers
It is the price in the Airport shops. Korea-sim card companies sometimes do sales event, therefore, the price will be different a little as you buy. The Korea prepaid sim card in the convenience would be cheaper about 10%. than the Air port one. If you have a tight schedule of traveling or something, It is not bad choice to purchase it in the Airport.

It is price of pre-paid simcard. You should contact and to ask buy. The detail contact info is bottom.
You should use at least more 3 motnhs.

The Korea Post-paid sim card info
The price is cheaper than pre paid one. you need some document as like below and condition
- At least 3 months use
- ARC ( Alien registration Card)
- Bank account to pay ( your friend account is okay)
청구 기본료 = Price 2 음성 = call 3) 영상부가 = Video call 4) 문자 = SMS. 5) 데이터 월 = Data Monthly 6) 무제한 = Ultimate
This company need registration fee 7200KRW + Simcard fee: about 70000 KRW

LG U+
Sim-card & Registration fee are free
청구 기본료 = Price 2 음성 = call 3) 영상부가 = Video call 4) 문자 = SMS. 5) 데이터 월 = Data Monthly 6) 무제한 = Ultimate

Hello Mobile
Simcard, Registration fee are free

Simcard, Registration fee are free

Sky life
Sim card & registration are free.

In order to buy the pre-paid sim card as a travler, in Korea, you just need a passport. It is a sort of sim card for travelers or short staying visitors (less than 30days). The price is a bit more expensive than Post paid Korea sim card. Usually,
Where to buy Korea Prepaid sim card?
There are 2 ways which I like to suggest buying it. First one is you could buy it in the Airport. In front of arrival gate, You could find easily. Korea has 3 telecom company, SK, KT, LG. The quality & price is almost similar. The second way is to buy it in a Convenience store in Airport or on the street. The Second way is cheaper about 10~20% than the first way. If you were short staying visitors, I like you recommend buy it in the Airport. You need to show your pass port.

How to buy Post-paid Sim card in Korea
You could buy it on Internet. Or contact post-paid sim card shop. The shop have 3 ways to sell.
- It would give you internet site and you fill out form and buy.
- You send them the ARC & Bank account info and let them do apply it
- You visit to the shop with ARC & Bank account info

The Shop above in detail is below. My malaysia & vietnam friends bought here simcard and smart phone, old smartphone also.
This shop owner is very kind and honest.
https://korea-mobile-phone-shop-sim-card-jmnet.business.site
Korea Sim card application 4pages
You also can contact directly : MP: 010-6414-2380. Email: junghmin7@naver.com or Facebook id: Korea mobile phone info
Conclusion to Korea sim card
To buy traveling prepaid sim card in Korea, You are better use Airport shops. But if you stay longer than 3 months in Korea with ARC card, it is better to buy a post paid sim card through the shop. If you like to know more details, please leave the message here or Facebook etc. Korea travel info