eSIM for South Korea
South Korea at a glance
- Generations
- 3G, 4G/LTE, 5G
- Main carriers
- SK Telecom, KT, LG U+
- Local eSIM
- Local carriers issue eSIMs
- Calling code
- +82
A travel eSIM in South Korea connects to the networks of SK Telecom, KT, and LG U+, which support 3G, 4G/LTE, and 5G technologies. The country's infrastructure includes major frequency bands at 2100 MHz, 1800 MHz, 850 MHz, and 2600 MHz, alongside 5G coverage on n78 (3.5 GHz) and n257 (mmWave). Travel eSIMs work on any modern eSIM-capable phone and require no physical card changes.
Roaming charges from a home carrier are typically expensive in South Korea, making a travel eSIM the most practical choice for visitors. The travel-eSIM market here is highly competitive, generally offering the cheapest and easiest connectivity option compared to traditional roaming or purchasing a local SIM. Local carriers do issue eSIMs as an alternative, though a travel eSIM usually provides better value and convenience for short-term visitors.
| Connectivity | As publicly reported |
|---|---|
| Network generations | 3G, 4G/LTE, 5G |
| Main mobile networks (MNOs) | SK Telecom, KT, LG U+ |
| Key travel bands | B1(2100), B3(1800), B5(850), B7(2600), n78(3.5GHz), n257(mmWave) |
| Local eSIM support | Local carriers issue eSIMs |
| Region | Asia |
| Capital | Seoul |
| Calling code | +82 |
Travel eSIM or local SIM in South Korea?
Roaming from a home carrier is typically expensive here, but the travel-eSIM market is highly competitive — a travel eSIM is usually the cheapest, easiest option for visitors. See the eSIM-vs-roaming view for this country →
Travel eSIM plans for South Korea
Live plans and prices here are supplied by the eSIM provider feed (Airalo / Holafly / Saily) at publish time — not stored or estimated on this page. A travel eSIM works on almost any modern eSIM-capable phone regardless of whether local carriers issue eSIMs. Open the plan finder →
Frequently asked questions
Will a travel eSIM work in South Korea?
How much does an eSIM for this country cost?
Full coverage & carriers → · eSIM vs roaming → · Look up another country →
Compiled from public-record telecom facts (the MNO roster, commercially-launched 3G/4G/5G generations, deployed travel-relevant bands and local-eSIM support) and verified June 2026; see the source we compile this country from. How we compile this. Plan prices are supplied by the eSIM provider feed at publish time, not stored here.