The Best Prepaid SIM Cards for South Korea in 2020

The Republic of Korea, or better known as South Korea, is an East Asian country located in the south of the Korean Peninsula and surrounded by approximately 3,000 islands. Half of its inhabits live in the capital Seoul, which is one of the six metropolitan cities in the country (it is considered one of the most populated metropolitan areas in the world).  

Although South Korea is a powerful country in the field of electronics and modern entertainment arts, this country offers some wonderful and very quiet places where you can relax from the stress of work. Some of these sites include the Hwaseong Fortress in Suwon; included in the UNESCO list of World Heritage Sites, where you can walk miles of walls, visit the towers and the ancient city. 

We know that when visiting a foreign country it is important to feel comfortable; and the best way to do it and enjoy your trip to the fullest is with your smartphone. So here we show you the way to stay connected in South Korea, whether you only need data to navigate and send photos, or if you need minutes to call, you can do it with one of these Korean SIM cards. Do you want to discover an exotic, distant and incredible destination without losing communication with your friends and family? Read on and learn about the SIM cards you can use in South Korea:


What Are The Top SIM Cards Offers for South Korea?

 About the providerSim Card Features 
With the SIM2Fly Travel Prepaid, AIS provides a unique deal. As the biggest network provider in Thailand, AIS provides one of the most intertwined network coverages across Asia. Enjoy 3G/4G data in South Korea in the most affordable way.
  • Data: 6GB
  • Calls: Not included
  • SMS: Not included
  • Credit validity: 10 days
  • Only US $19.90
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Move to TrueMove H & instantly connect to the widest 4G LTE and 3G roaming network coverage. Enjoy TrueMove H's international service and roam with confidence in South Korea
  • Data: 6GB
  • Calls: Not included
  • SMS: Not included
  • Credit validity: 10 days
  • Only US $19.90
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Keep connected with China Unicom 4G and text, talk and surf at no extra international roaming charges! Enjoy a hassle-free, high-speed mobile internet connection in South Korea - China Unicom makes it easy to stay connected
  • Data: 4GB
  • Calls: Not included
  • SMS: Not included
  • Credit validity: 12 days
  • Only US $22.90
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Move to TrueMove H & instantly connect to the widest 4G LTE and 3G roaming network coverage. Enjoy TrueMove H's international service and roam with confidence in South Korea
  • Data: 6GB
  • Calls: Not included
  • SMS: Not included
  • Credit validity: 15 days
  • Only US $39.90
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What is The Best SIM Card for South Korea?


SimOptions – The best way to enjoy an international trip 


SimOptions is a company that offers international prepaid SIM cards for people who travel around the world. If you are going to travel to this country, you will need a SIM card to be connected. You can get one of the prepaid SIMs offered by SimOptions on their website. The steps to obtain it are the following: first, choose the SIM card that covers your needs, it is important to know that even if the SIM cards include the same mobile services, they have coverage in different countries. Then you only need to pay using your credit card. Finally, your SIM card will be ready for you when you arrive in the country. The best thing is that it does not require activation; this means that you just need to insert it into your phone to use the services.

Here below you have the details about the prices and features:


Travel SIM Asia | $19.90 - 6GB

  • Data: 6GB
  • Calls: Not included
  • SMS: Not included
  • Credit validity: 10 days

SIM2FLY | $19.90 - 6GB

  • Data: 6GB
  • Calls: Not included
  • SMS: Not included
  • Credit validity: 10 days

Asia 12 Days Data SIM | $22.90 - 4GB

  • Data: 4GB
  • Calls: Not included
  • SMS: Not included
  • Credit validity: 12 days

Travel SIM World | $39.90 - 6GB

  • Data: 6GB
  • Calls: Not included
  • SMS: Not included
  • Credit validity: 15 days

Buy one of these international prepaid cards and check the country coverage on the SimOptions website.


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KT Corporation – Your provider in South Korea 


KT Corporation represents the largest telecommunications company in South Korea. The company works in the country under the brand KT Olleh, which provides a wide range of services, including mobile services using the 4G LTE network, TRS (Trunk Radio System), mobile TV and satellite services. KT Corporation provides SIM cards called “Blue” that include unlimited data and minutes for calls. There are five SIM cards to choose from, depending on how long you are going to stay in the country. You can order one on their website, giving your name and passport number. Then you can pick up your card at the Incheon International Airport (Terminal 1 and 2) or get it using the delivery service, which is free. 

Here below you can see the details about the prices:


Blue SIM Card 5 days | $22.9  


  • Data: 10 GB 4G LTE 150 Mbps (Unlimited – lower speed)
  • Calls: 100 min 
  • SMS: 100
  • Credit Validity: 5 days

Blue SIM Card 7 days | $27.9  


  • Data: 10 GB 4G LTE 150 Mbps (Unlimited – lower speed)
  • Calls: 100 min 
  • SMS: 100
  • Credit Validity: 7 days

Blue SIM Card 10 days | $31.9  


  • Data: 10 GB 4G LTE 150 Mbps (Unlimited – lower speed)
  • Calls: 100 min 
  • SMS: 100
  • Credit Validity: 10 days

Blue SIM Card 15 days | $40.3 


  • Data: 10 GB 4G LTE 150 Mbps (Unlimited – lower speed)
  • Calls: 100 min 
  • SMS: 100
  • Credit Validity: 15 days

Blue SIM Card 30 days | $58.9 


  • Data: 10 GB 4G LTE 150 Mbps (Unlimited – lower speed)
  • Calls: 100 min 
  • SMS: 100
  • Credit Validity: 30 days

Find more information and a SIM card on their website. 



SK Telecom – A part of SK Group


This company leads the telecommunications market in South Korea due to its wireless services. SK Telecom also provides services in China, the United States, Vietnam, and the Philippines. Among other services provided by this company we can mention its music e-store called MelON, m-Finance (an online banking system) and applications to control home appliances. So it is a company that has invested in technology to provide better services to its customers. Talking about mobile services, the company sells SIM cards called “Korea SIM card Orange” which includes unlimited data. You can order a SIM card online and then pick up the card at the Incheon International Airport in both Terminals, 1 and 2. You can also use the delivery service. The card does not need activation, so you can start using the services the moment you insert it into your unlocked phone. 

Continue reading and learn more about the prices:


Korea SIM Card Orange 1 day | $4.7 


  • Data: 1 GB 4G LTE 150 Mbps every day (Unlimited – lower speed 5 Mbps)
  • Calls: unlimited* 
  • SMS: unlimited*
  • Credit Validity: 1 day

Korea SIM Card Orange 3 days | $12


  • Data: 1 GB 4G LTE 150 Mbps every day (Unlimited – lower speed 5 Mbps)
  • Calls: unlimited* 
  • SMS: unlimited*
  • Credit Validity: 3 days

Korea SIM Card Orange 5 days | $20.6


  • Data: 1 GB 4G LTE 150 Mbps every day (Unlimited – lower speed 5 Mbps)
  • Calls: unlimited* 
  • SMS: unlimited*
  • Credit Validity: 5 days

Korea SIM Card Orange 10 days | $27.4


  • Data: 1 GB 4G LTE 150 Mbps every day (Unlimited – lower speed 5 Mbps)
  • Calls: unlimited* 
  • SMS: unlimited*
  • Credit Validity: 10 days

Korea SIM Card Orange 20 days | $48.7


  • Data: 1 GB 4G LTE 150 Mbps every day (Unlimited – lower speed 5 Mbps)
  • Calls: unlimited* 
  • SMS: unlimited*
  • Credit Validity: 20 days

Korea SIM Card Orange 30 days | $51.6


  • Data: 1 GB 4G LTE 150 Mbps every day (Unlimited – lower speed 5 Mbps)
  • Calls: unlimited* 
  • SMS: unlimited*
  • Credit Validity: 30 days

*If you choose the delivery option, your card will be data only. 

Find more information and get a SIM card in their online store. 



EG SIM – From Code Mobile


EG (Evergreen) is a mobile provider in South Korea that uses the KT Olleh network. You can buy their SIM cards online. With these SIM cards, you will be able to navigate on the internet, make calls and send text messages. 

There are two different cards, a data-only SIM and a data + call SIM. 

Let’s see more information about the SIMs:


Data Only SIM

Prepaid SIM 5 days | ₩19,250 ($15.83) 


  • Data: unlimited
  • Calls: not included 
  • SMS: not included
  • Credit Validity: 5 days

Prepaid SIM 10 days | ₩26,950 ($22.16) 


  • Data: unlimited
  • Calls: not included 
  • SMS: not included
  • Credit Validity: 10 days

Prepaid SIM 30 days | ₩50,050 ($41.15) 


  • Data: unlimited
  • Calls: not included 
  • SMS: not included
  • Credit Validity: 30 days

Data + Call SIM

LTE 1.5GB + 50min | ₩15,000 ($12.33) – 1.5 GB


  • Data: 1.5 GB
  • Calls: 50 min 
  • SMS: not included
  • Credit Validity: 30 days

LTE 5GB + 50min | ₩30,000 ($24.67) – 5 GB


  • Data: 5 GB
  • Calls: 50 min 
  • SMS: not included
  • Credit Validity: 30 days

LTE 10GB + 100min | ₩45,000 ($37) – 10 GB


  • Data: 1.5 GB
  • Calls: 100 min 
  • SMS: 100
  • Credit Validity: 30 days

Visit their website and get a SIM card to use in South Korea. 

Now you are ready to use your smartphone in South Korea, choose a SIM card provider and stay connected while traveling. And do not forget to enjoy your trip!


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