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Required Documents for
Prepaid and Postpaid SIM cards

In the modern era of connectivity, SIM cards have become an indispensable part of our daily lives. Whether it's for staying connected with loved ones, browsing the internet, or conducting business, having a SIM card is essential. However, when it comes to acquiring a SIM card, there are different requirements based on whether you opt for a prepaid or postpaid plan.


Knowing these differences can save you time and ensure a smooth SIM card activation process. Whether you're a new SIM card applicant or simply seeking to switch plans, take a look at this for a better understanding!


The requirements to sign up for a prepaid SIM card is quite simple. Even if you are just a tourist or a short-term visitor, you can easily get one with unlimited data, calls and text at quite cheap price.


Postpaid SIM card, on the other hand, is offered to long-term residents in Korea. Thus, registering for one requires you to have a physical ARC (Alien Registration Card or Residence Card) and a Korean bank account. You can either create a new number or switch your current number to Woori Mobile service. In case you want a new number, you can choose the last four digits of your numbers. And if you alread have a number, please contact us to check if it is possible to transfer your number to our plans.

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