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Korea KT 4G/LTE Unlimited Data SIM + 010 Phone number (Korea Airports Pick-Up)
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Korea KT 4G/LTE Unlimited Data SIM + 010 Phone number (Korea Airports Pick-Up)
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Highlights
Stay connected across South Korea with the KT 4G/LTE Unlimited Data SIM—now 30% off and includes a free T-money transportation card when you buy a 3-day plan or longer. Powered by KT Olleh, Korea’s largest mobile network, this SIM offers lightning-fast 4G data, hotspot sharing, and a local 010 phone number. Perfect for travelers who need reliable data and easy communication while exploring the country.
Choose between two flexible SIM options—data-only or with ₩16,500 voice credit for domestic calls—and enjoy coverage anywhere in Korea for up to 90 days. Pick up your SIM conveniently at major airports including Incheon, Gimpo, Busan Gimhae, and Busan Port, then start browsing, navigating, and chatting instantly. With instant confirmation and free cancellation up to 1 day before use, this is the smartest way to stay online in Korea.
- Unlimited 4G/LTE Data: 3GB of high-speed data per day, then unlimited use at 5Mbps.
- Includes 010 Phone Number: Make and receive calls or SMS (top-up available online).
- Free T-money Card: Get a free travel card for subway, bus, and taxi rides with 3+ day plans.
- Flexible Durations: Choose from 2 to 90 days, with easy online extension up to 90 days.
- Nationwide Pick-Up: Collect your SIM at major airports or Busan Port and activate instantly.
What's included
INCLUDED
KT 4G/LTE SIM card with 010 phone number
Unlimited 4G/LTE data (3GB high-speed daily, throttled to 5Mbps after)
Hotspot sharing capability
Free T-money transportation card (for 3-day or longer plans)
Instant confirmation and on-site pick-up support
NOT INCLUDED
Real-name verification services (e.g. NAVER, online banking)
SIM use on locked devices
Refunds for unused data or remaining validity
Customer reviews
Additional information
Operating Hours
- Incheon Airport (T1, Exit F): 24 hours daily
- Incheon Airport (T1, Exit A): 6:00 AM–10:00 PM
- Incheon Airport (T2, Gate 4/5): 24 hours daily
- Gimpo Airport: 6:30 AM–11:00 PM
- Busan Gimhae Airport: 6:00 AM–10:00 PM
- Busan Port Passenger Terminal: 6:30 AM–7:30 PM
Must Know
- This SIM is for foreign travelers and Korean nationals presenting proper ID (passport, Korean ID, or driver’s license).
- SIM must be activated within 90 days of collection; otherwise, it becomes invalid.
- Free T-money promotion valid until December 31, 2025.
- T-money card is empty and must be recharged at convenience stores or subway stations.
- 010 numbers cannot be used for real-name verification (NAVER, Kakao, online banking).
- Data usage begins once connected to KT network and counts in 24-hour increments.
- Extension available online: Extend usage period.
- Voice top-up available: Recharge credit.
Eligibility
- Ensure your device is unlocked. Phones purchased in Japan, the USA, or Canada must be confirmed as unlocked before travel.
- Supports 4G/LTE on frequencies: B1 (2100 MHz), B3 (1800 MHz), B8 (900 MHz).
- Non-compatible devices will default to 3G; refunds not available for connection speed issues.
What to Bring
- Passport or foreign residence card
- Mobile device (unlocked)
- Printed or mobile voucher
Booking Confirmation
- Instant confirmation after booking.
- Free cancellation available up to 1 day before the selected date.
Cancellation Policy
- Free cancellation up to 1 day prior to the selected date.
- No refunds or changes within 24 hours of activation date.
- Refunds processed within 14 working days after confirmation.
Voucher Use
- Present your e-voucher and passport at the Olleh KT counter to collect your SIM.
- Pick-up locations: Incheon (T1/T2), Gimpo, Busan Gimhae Airport, and Busan Port Passenger Terminal.
- Each person can purchase only one SIM card.
- Please install and test your SIM before leaving the counter.
- Voucher valid only for the selected date and operating hours.
Location
Address
Incheon International Airport, Gimpo International Airport, Busan Gimhae Airport, and Busan Port Passenger Terminal (Olleh KT counters)
Provider
Korea SIM card at CU #1, 1F (4G LTE Unlimited Data, Prepaid KT SIM in Korea)
From
USD 0
Why Pelago?
- Trusted by millions of travellers
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I would definitely recommend this service to anyone traveling to South Korea. The convenience of picking up the SIM at the airport, along with the reliable data and voice service, made my trip much easier. No issues at all, and I appreciated the support from KT staff at Gimpo Airport.
Signal was excellent. I used it to travel around from city to city and didn’t have any issue with it. Will get it again next time.
Fuss free and easy to collect
easy to pick up. the customer service help a lot. and no problem with the sim card.
Very easy to use and seamless connection everywhere
Amazing value. Unlimited data plan and able to hotspot. Working well so far.
Easy collection at Incheon airport. The wifi is quick
No issues. Easy set-up.