Where To Buy A SIM Card For Korea?
In Korea, a reliable SIM card is never far away.
Summary

Staying connected is crucial when traveling, and in tech-forward South Korea, a reliable SIM card is never far away. Whether you need to navigate Seoul’s bustling streets, translate restaurant menus, or simply share your travel moments, having local mobile data is a must.
Between international roaming, physical SIM cards and eSIMs, travelers in Korea have several connectivity options. When researching how to get a SIM card in Korea, you’ll encounter major providers like SK Telecom (SKT), KT (Olleh), and LG U+.
Let’s explore the options available and what you should get.


Overview of South Korea’s Mobile Network
South Korea has one of the world's most advanced mobile networks, well-known for its blazing-fast 5G speeds and extensive coverage. This makes it easy for travelers to stay connected throughout the country, no matter if it is in a city or in the countryside.
Thanks to the country’s modern infrastructure, you’ll likely enjoy smooth streaming, quick downloads and excellent coverage no matter which network provider you choose. That said, there are still some differences to take note of if you’re asking how and where to buy a SIM card in Korea.
SK Telecom (SKT): Often considered the market leader, SKT provides the best overall coverage and speeds, making it ideal for those who prioritize reliability.
KT (Olleh): Offers a solid balance of coverage and price, catering to travelers seeking a cost-effective yet dependable connection.
LG U+: A suitable option for budget-conscious travelers, though its coverage may be less extensive in remote regions.
Internet Access Options for Travelers in South Korea
Buying a local prepaid SIM card
Local prepaid SIM cards from South Korea’s major telcos are readily available at airports, mobile carrier stores, and convenience stores. Passport registration is required when buying these SIM cards. This option is generally best suited for longer stays, particularly those exceeding 7 days, as it often provides the most cost-effective data plans for extended use.
Buying a tourist SIM card
Prepaid short-term SIM cards designed specifically for tourists are normally available at airports and online. These offer convenient data-only or talk and data options, and are typically priced to cater to the needs of short-term visitors.
Using an eSIM (Best for convenience)
Using an eSIM eliminates the need to swap physical SIM cards, meaning you don’t have to look for and buy a physical SIM card upon arrival. This is especially helpful if you want to avoid the downtime from when the plane lands and after you clear arrival when you have no communications. Purchase and activation are easily handled online, with instant activation. This option works if you have a device with a secondary e-SIM compatible slot, which can be found on most modern smartphones.
International roaming
International roaming tends to be expensive and may come with speed limitations. It is generally only suitable for very short-term visits or emergency situations where immediate connectivity is crucial.
Pocket wifi rental
Renting pocket wifi devices is a viable option to share the cost of data when travelling in a group. However, they can be bulky, and add to the list of devices you need to worry about on your trip. Additionally, the group needs to stay together for everyone to have internet access, which can be inconvenient for some travelers.

Cost Breakdown of SIM Cards in Korea
Want to buy a SIM card in Korea but not sure how they compare in terms of cost? Here’s a breakdown of the price range for popular durations:

In comparison, here are the eSIM prices for Korea on Nomad for similar durations.

There are also local SIM cards that require registration.
Monthly Plan for Local SIM Cards: From 20,000KRW (US$13.69) to 60,000KRW (US$41.08)
Where to Buy a Local SIM Card in South Korea

Figuring out where and how to buy a physical SIM card in Korea can be confusing for new tourists with so many options available. Here’s a breakdown of the most common places to get a SIM card in Seoul or Korea:
Before Arrival:
- Order Online: Many vendors allow you to order your prepaid SIM card online in advance. This can be a convenient option, as you can often choose to pick it up at the airport upon arrival. a. Airport Pickup: Look for counters at major airports like Incheon (ICN) and Gimpo (GMP) where you can collect your pre-ordered SIM.
At the Airport:
- Carrier Counters: You'll find counters for major mobile carriers like SKT, KT, and LG U+ at the airport arrival halls. If you haven’t pre-ordered yours online, these counters offer prepaid tourist SIM cards with various data and talk options.
At Mobile Carrier Stores:
- City Locations: SKT, KT, and LG U+ have stores in major cities throughout South Korea, including Seoul, Busan, and Jeju. Note: Remember to bring your passport to register for a physical SIM card at a carrier store.
At Convenience Stores:
Prepaid SIM cards are sometimes available at convenience stores like GS25, 7-Eleven, and CU. This can be a convenient option for a quick purchase.
Note: Be aware that some convenience stores might require a Korean ID for registration, and may not accept passports.
Online Purchase Options:
- Hotel Delivery: Some websites offer prepaid SIM cards with delivery to your hotel. This can be a convenient option if you prefer to have the SIM card waiting for you when you check in.
No matter where you buy a SIM card, make sure to compare prices, data allowances, and validity periods to find the best option for your needs.
How to Buy Nomad eSIM for Korea
Using an eSIM like Nomad is a convenient way to stay connected in South Korea without needing a physical SIM card. Here's a step-by-step guide on how to buy and activate a Nomad eSIM for your trip to Korea:
1. Purchase Your Nomad eSIM Plan:
- Visit Nomad eSIM for South Korea and select your desired data plan.
- Complete the purchase process. You'll receive a QR code and installation instructions via email or within the Nomad app.
2. Install Your eSIM:
- Scan the QR Code: Using your smartphone's camera or a QR code reader, scan the QR code provided by Nomad. Make sure you have an internet connection (Wi-Fi is recommended).
- Add eSIM: Your phone will prompt you to add the eSIM. Follow the on-screen instructions to complete the installation. The eSIM is now added to your phone's cellular settings.
Read our guide on how to install esim on iPhone or how to install esim on Android.
3. Activate Your eSIM:
- Wait to Activate (Optional): Nomad eSIMs allow you to install the eSIM now but activate it later.
- Automatic Activation: Your plan will automatically activate once connected to the destination network in South Korea.
4. Connect at Your Destination:
- Enable the eSIM: Once you arrive in Korea, go to your phone's Settings > Cellular (or Mobile Data) and turn on the Nomad eSIM line.
- Enable Data Roaming: Ensure that "Data Roaming" is toggled on for the Nomad eSIM. Also, make sure the Nomad eSIM is selected for "Cellular Data."
- Connect to the Network: The Nomad eSIM will automatically find and connect to the best available local network. You'll be connected to the internet shortly.
Tips for Using Mobile Data in South Korea
Here are some helpful tips to make the most of your mobile data in South Korea.
Important Apps
- Naver Maps: While Google Maps is widely used globally, Naver Maps is the preferred navigation app in South Korea. It offers more accurate and detailed information, including public transportation routes and real-time traffic updates.
- Papago: This AI-powered translation app is a must-have for travelers in Korea. It provides accurate and natural-sounding translations for Korean text, voice, and even images.
- Kakao T: Kakao T is the go-to app for taxi hailing in South Korea. It allows you to easily book rides, track your driver's location, and even pay for your fare through the app.
Save on Data with These Tips
- WiFi Hotspots: Take advantage of the numerous WiFi hotspots available throughout South Korea. Cafes, restaurants, metro stations, and even buses often offer free WiFi access.
- Monitor Data Usage: Keep an eye on your data usage to avoid exceeding your plan's limit and incurring extra charges. Most mobile providers have apps or websites where you can track your data consumption. You can also learn how to check how much data you have used on your phone.
- Download Offline Maps: Download offline maps for the areas you'll be visiting to avoid using data for navigation.
Phone Compatibility:
- 4G/5G Bands: Ensure your device supports the 4G/5G bands used in South Korea. Most modern smartphones, including iPhones and Android devices will be compatible with no action needed on your end.
- Check with Your Carrier: If you're unsure about your phone's compatibility, check with your mobile carrier before your trip.
Frequently Asked Questions About SIM cards in Korea
Can I use a SIM card from another country in Korea?
Yes, you can technically use a SIM card from another country in Korea through international roaming. However, this is usually the most expensive option and may come with speed limitations. For most travelers, getting a local SIM card or using an eSIM is more cost-effective and convenient.
Which carrier has the best coverage for rural areas?
SK Telecom (SKT) is generally considered to have the best coverage in South Korea, including rural areas. If you plan on traveling outside of major cities, SKT is likely the most reliable option.
Do I need a Korean ID to buy a SIM card?
For local prepaid SIM cards, you will typically need your passport for registration. Tourist SIM cards are usually more readily available to foreign visitors without a Korean ID and only require a passport for registration. The most convenient option is an eSIM, which allows you to fill in your details online and does not require physical proof of identification.
Are there data-only SIMs available for tourists?
Yes, data-only SIM cards are readily available for tourists in South Korea. You can find them at airport kiosks, mobile carrier stores, and online. They offer a convenient way to stay connected without voice call capabilities.