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All About Korea SIM Card Including Quarantine Options for 2021

Do you want to stay connected 24/7 in Korea? Check out the best SIM card options in Korea on Trazy!

Preparing the right SIM card for you is one of the most essential things you should do before flying to Korea. Especially because of COVID-19, it is more important to get your SIM card ready in advance! Find the right SIM card that suits you the best, including quarantine options.

Before Getting a SIM Card

1. Check whether your phone is unlocked or not. If your phone is locked, call your mobile phone carrier to unlock it.

*If you are from the US, Canada, or Japan, make sure you check with your carrier before traveling to Korea. If your phone device is locked, you won’t be able to use some of the prepaid SIM Cards.

2. Make sure your device supports GSM network frequencies. You can find all the info about your phone device via the GSM Arena website, or to see if your mobile is compatible with Korean mobile carrier networks, click here. Then see if your device supports one of the GSM network frequencies below:

  • 4G LTE Bands: Band 1(2100MHz), Band 3(1800MHz), Band 8(900MHz)
  • 3G Bands: HSDPA 2100MHz/HSDPA+

Where to Buy a SIM Card

The most convenient and easiest way to buy a SIM Card is to buy it online in advance.

To buy it offline, you can purchase it at Incheon Airport or outlets run by Korean mobile service providers: KT, SKT, LG U+. Major convenience stores, such as GS25, CU, Seven Eleven, also provide SIM cards.

Choosing the Right SIM Card Type


Usually, most iPhone devices use a Nano-SIM and most Android phones use a Micro or Nano SIM, but it’s best to check the specifications of your phone.

Nevertheless, we highly recommend you to buy a universal type USIM Card, which is compatible with phones using any type of SIM card (Standard, Micro, or Nano-SIM).

Recommended SIM Cards During the COVID-19 Outbreak

All incoming Korean and foreign nationals must complete 14-day of self-quarantine upon arrival at Incheon International Airport. It is mandatory to verify your local contact number and download the app ‘Self-Quarantine Safety and Protection’. Therefore, purchasing your SIM card before arriving in Korea is highly recommended.

1. Prepaid SIM Card for Incheon Airport Self-Quarantine Passengers (Terminal 1)

Due to Coronavirus (COVID-19), all foreign passengers are required to have a local contact number and complete 14 days of self-quarantine at a government-designated facility. If you need a Korea SIM card with a local contact number, book this SIM card that you can pick up within the quarantine inspection area!

4G/LTE Korea SIM Card (Unlimited Data + Voice + SMS options) – Pick up within Quarantine Inspection Area

  • Options:
    1) Unlimited Data + Voice/SMS Option (20 or 30 days)
    2) Unlimited Data + KRW 11,000 Credit (20 or 30 days)
  • Included:
    1)
    Mobile SIM Card (universal type)
    2) Unlimited LTE Data
    3) KRW 11,o00 credit (optional)
  • Pick up locations: Incheon International Airport Terminal 1

2. Korea SIM Card International Delivery Service

If you want to get your Korea SIM card and your Korean phone number before flying to Korea, order this Korea SIM card international delivery service! It’s a reliable delivery service with a tracking code to every country using EMS, German Post, CJ, and USPS. Topping up or extending the SIM card is available via app (Android/iOS) or website.

4G/LTE Korea SIM Card International Delivery Service: Data + Voice + SMS

  • Options:
    1) Medium Plan (30 Days): Data (1GB of 4G/LTE Data), Voice & SMS (Included credits: KRW 3,000)
    2) Large Plan (30 Days): Data (2GB of 4G/LTE Data), Voice & SMS (Included: KRW 3,000)
    3) Premium Plan (30 Days): Unlimited Data (12GB of 4G/LTE Data), Voice & SMS (Unlimited incoming/outgoing calls & SMS within Korea)
    4) Premium Plus Plan (30 Days): Unlimited Data (100GB of 4G/LTE Data), Voice & SMS (Unlimited incoming/outgoing calls & SMS within Korea)
  • Included:
    1)
    Mobile SIM Card (universal type)
    2) International shipping fee
  • Pick up locations: at your shipping address
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3. Korea eSIM: Unlimited Data Only (5~90 Days)

eSIM (embedded SIM) is a new type of SIM card, where you can download a SIM card to your phone without needing a physical SM card. You just have to download your eSIM to your phone using the provided QR code. You don’t have to visit a pickup booth or change out your current SIM card, which is absolutely hassle-free and untact!

4G/LTE Korea eSIM Card: Unlimited Data Only

  • Options:
    1) Premium Unlimited Data Only (5~60 Days)
  • This data-only sim card does NOT come with a Korean local phone number.

Steady-Selling Korea SIM Cards that Suit You the Best

1. Unlimited Data Only

| Ideal for: short-term visitors & business travelers who only need data

For those of you who are staying in Korea for a short-term and only need unlimited data, there are three options you can choose according to your pick up location and the duration of your stay in Korea. You’ll stay connected anywhere in Korea, including Jeju Island, Nami Island, DMZ, and use the LTE network of KT (Olleh), the largest wireless operator in Korea.

Option 1: Unlimited Data + Optional Voice & SMS (1~30 day) – Pick up from Incheon Airport T1 & T2 /Seoul

  • Included:
    1)
    Mobile SIM Card (universal type)
    2) Unlimited data for days you choose after pick up the SIM card
  • Pick up locations:
    1) Available: Incheon International Airport (Terminal 1 & 2), Hongik University Station Office
    2) Unavailable until further notice: Gimpo International Airport, Gimhae Airport, Busan Port International Passenger Terminal

Option 2: Unlimited Data Only (3/7 day) – Pick up from Seoul

  • Included:
    1)
    Mobile SIM Card (universal type)
    2) Unlimited data for days you choose after pick up the SIM card
  • Pick up locations:
    1) Available: Hongik University Station Office
    2) Unavailable until further notice: Incheon International Airport (Terminal 1 & 2), Gimpo International Airport, Seoul Station (Train)

Option 3: Unlimited Data Only (1~30 day) – Pick up from Incheon Airport T1 & T2/Seoul/Bundang/Suwon

  • Included:
    1)
    Mobile SIM Card (universal type)
    2) Unlimited data for days you choose after pick up the SIM card
    3) Incoming local calls
    4) Incoming local text messages
  • Pick up locations:
    1) Available: Incheon International Airport (Terminal 1 & 2), Gangbyeon Station (Technomart), Gangnam Area (Near Yeoksam Station), Bundang Area (Near Seohyeon Station), Suwon Area (Near Suwon City Hall Station)
    2) Unavailable until further notice: Gimpo International Airport, Gimhae International Airport (Busan), Daegu International Airport

2. Unlimited Data + Voice Call + SMS (30 days) 

| Ideal for: long-term visitors, international/exchange students

If you are planning on staying in Korea for the long term, this 30-day 4G/LTE SIM card is perfect for you. With this SIM Card plan, you can enjoy phone calls, text messages, and 4G/LTE data for 30 days after activation.

Option 1: 30-day Unlimited Lite Data – Pick up from Seoul

  • Included:
    1)
    Mobile SIM Card (universal type)
    2) KRW 36,300 credit (KRW 1,210 usage fee deduction each day)
    3) Unlimited local calling for 30 days (dialing)
    4) Unlimited local text messages (sending)

Option 2: 30-day Unlimited Data + 100 Min Voice + 100 SMS – Pick up from Seoul

  • Included:
    1)
    Mobile SIM Card (universal type)
    2) KRW 39,600 credit (KRW 1,320 usage fee deduction each day)
    3) 100-minute of local calling (dialing)
    4) 100 local text messages (sending)

Option 3: 30-day Unlimited Data/Voice/SMS – Pick up from Seoul

  • Included:
    1)
    Mobile SIM Card (universal type)
    2) KRW 58,500 credit (KRW 1,950 usage fee deduction each day)
    3) Unlimited local calling for 30 days (dialing)
    4) Unlimited local text messages (sending)
  • Pick up locations:
    1) Available: Hongik University Station Office
    2) Unavailable until further notice: Incheon International Airport (Terminal 1 & 2), Gimpo International Airport, Seoul Station (Train)
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3. Receive SIM Card by Postal Parcel (3~90 days)

For those who want a SIM card to be delivered to an address in Korea, conveniently use a postal parcel service. Please keep in mind that the SIM card delivery service is not available on Jeju Island.

Option 1: 3/7 Day Unlimited Data Only

  • Included:
    1)
    Mobile SIM Card (universal type)
    2) Postal parcel shipping fee
    2) Unlimited data at 4G/LTE speeds

Option 2: 30-Day Unlimited Data/Voice/SMS

  • Included:
    1)
    Mobile SIM Card (universal type)
    2) Postal parcel shipping fee
    3) KRW 58,500 credit (KRW 1,950 usage fee deduction each day)
    4) Unlimited local calling for 30 days (dialing)
    5) Unlimited local text messages (sending)

Option 3: 30-Day Unlimited Data + 100 Min Voice + 100 SMS

  • Included:
    1)
    Mobile SIM Card (universal type)
    2) Postal parcel shipping fee
    3) KRW 39,600 credit (KRW 1,320 usage fee deduction each day)
    4) 100-minute of local calling (dialing)
    5) 100 local text messages (sending)

Option 4: 30-day Unlimited Lite Data/Voice/SMS

  • Included:
    1)
    Mobile SIM Card (universal type)
    2) Postal parcel shipping fee
    3) KRW 36,300 credit (KRW 1,210 usage fee deduction each day)
    4) Unlimited local calling for 30 days (dialing)
    5) Unlimited local text messages (sending)

Option 5: 90-day Prepaid SIM Card

  • Included:
    1)
    Mobile SIM Card (universal type)
    2) Postal parcel shipping fee
    3) KRW 50,000 or 100,000 credit

4. Unlimited Data + Voice call + SMS (up to 30 days) 

| Ideal for short-term visitors & business travelers who need to receive/send voice calls 

For those who want to use an all-in-one package with high-speed data, voice calls, and SMS, this SIM Card with Unlimited Data and KRW 11,000 Credit for Voice Call & SMS is the perfect option.

Unlimited Data + KRW 11,000 Credit for Voice Call & SMS – Pick up from Incheon Airport T1

  • Options:
    1-day / 5- day / 10-day / 20-day / 30-day SIM Card
  • Included:
    1)
    Mobile SIM Card (universal type)
    2) Unlimited data at 4G/LTE speeds
    3) KRW 11,000 basic credit: You can make calls and send SMS from basic credits as soon as you activate the SIM card.
  • Pick up locations:
    1) Available: Incheon International Airport Terminal 1
    2) Unavailable until further notice: Incheon International Airport Terminal 2, Gimpo International Airport, Gimhae International Airport (Busan), Busan Port International Passenger Terminal

5. Prepaid SIM Card: Data + Voice + SMS (90 days)

| Ideal for long-term visitors who are looking for pay-as-you type plans and want to pick up from Seoul

For those who are looking for a perfect SIM card for a long-term stay and pay-as-you type plan, this 90-day Prepaid SIM Card is highly recommended! You can choose from KRW 50,000 or KRW 100,000 credit and have credits deducted only when you use your phone.  

Prepaid SIM Card: Date + Voice + SMS (90 days) – Pick up from Seoul

  • Options:
    KRW 50,000 Won Credits / KRW 100,000 Credits SIM Card
  • Included:
    1)
    Mobile SIM Card (universal type)
    2) Credits: KRW 50,000 or 100,000
    3) Data: KRW 20.84 per MB
    4) Voice: KRW 1.98 per second (Incoming calls are free of charge)
    5) SMS: KRW 22 per SMS (Incoming SMS is free of charge)
  • Pick up locations: Hongik University Station Office

6. Unlimited Data Only Sim Card (5~60 days) + T-money (Transport Card)

| Ideal for: short-term & long-term visitors who will frequently use public transportation

For those who want to stay connected 24/7, and conveniently travel by public transportation, this data-only SIM card and T-money combo is perfect for you! With this SIM card, you can get access to super fast 4G/LTE data anywhere in Korea. Also, you can top up the credits for T-money at any subway station or convenience stores, such as GS25, CU, Seven-Eleven.

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Unlimited Data (5~60 Days) + T-money – Pick up from Incheon Airport T1

  • Options:
    5- day / 10-day / 20-day / 30-day / 40-day / 60-day SIM Card
  • Included:
    1)
    Mobile SIM Card (universal type)
    2) Unlimited 4G/LTE Data
    3) Prepaid T-money Transportation Card
  • Pick up locations:
    1) Available: Incheon International Airport Terminal 1
    2) Unavailable until further notice: Gimpo International Airport, Gimhae International Airport (Busan)

7. Monthly Plan SIM Card: Data + Voice Call + SMS (No Contract)

| Ideal for: expats living in Korea

For those who are living in Korea, simply purchase a monthly pay SIM card on Trazy, and don’t worry about topping up credits. You just have to follow 3 simple steps to purchase and activate this SIM card.

Monthly Post Pay SIM Card: Data + Voice Call + SMS – Pick up from Seoul

  • Process:
    Step 1.
    Purchase “Monthly Plan SIM Card” on Trazy.
    Step 2. Visit the SIM card activation office located near Hongik Univ. Station. (Details will be sent to you in the booking confirmation email)
    Step 3. At the office, simply choose a monthly plan and activate your SIM card.
  • Pick up location: Hongik University Station Office

8. Post-Paid Smartphone Rental Service

If you need a smartphone while staying in Korea, simply rent a smartphone and get access to data, voice, and SMS text right away! Your phone number will be issued to you before picking up your phone, making it possible for you to let people know your number in advance.

4G/LTE Post-Paid Smartphone Rental Service – Pick up from Incheon Airport T1 & T2/Seoul/Bundang/Suwon

  • Included:
    1)
    Smartphone & charger rental (Galaxy S7/Galaxy Note 5)
    2) Daily Fee: KRW 3,300 per day
    3) Unlimited Data (Included in daily fee)
    4) Local outgoing/dialing: KRW 11 per second
    5) SMS local outgoing/sending: KRW 110 per SMS
    6) Photo MMS local outgoing/sending: KRW 1,100 per photo MMS
    7) Video MMS local outgoing/sending: KRW 2,420 per video MMS
  • Pick-up locations: Incheon International Airport (Terminal 1 & 2), Gangbyeon Station (Technomart), Gangnam (Yeoksam Station), Bundang (Seohyeon Station), Suwon (Suwon City Hall Station)

Extending Your SIM Card Plan

For those who want to extend the expiry date of their SIM Card plan, visit the outlets of the operator or contact them directly.

If your SIM Card terminates, any recharge or extension is not feasible, so make sure you check and recharge your plan from time to time before your card expires and terminates.

  • Extending up to 90 days or less: you just need your

    passport

    .

  • Extending more than 90 days: you must bring a

    Residence Card (former Alien Registration Card, a.k.a ARC)

    before your SIM Card gets terminated.

Do You Want WiFi Instead of SIM Card?

If you don’t have to make voice or phone calls or send text messages, then renting a portable WiFi egg (1~17 days) is the perfect option for you. If you want to rent one, click here.

For those who are planning a long-term stay in Korea, rent long-term pocket wifi (18 days or more) with an unlimited data plan. You can pick up from Seoul, Bundang, Suwon, Busan, Daegu, and Jeju Island.

Read more: An Ultimate Guide to Pocket Wifi Rental in Korea

If you want to have all the travel essentials upon arriving at the airport, check out this blog to enjoy your Korea trip without hassle!

Visit Korea’s #1 Travel Shop, Trazy.com, for the most up-to-date travel information and destinations in Korea!

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