encryptSIM network operator guide
KT eSIM destinations
KT can be available through encryptSIM in 1 supported destinations, with listed service types LTE.
LTE
Using encryptSIM with KT
Use this page to see where encryptSIM can use KT, then open each destination guide to compare the other supported networks available there.
KT supported destinations
These are the destinations where KT can be one of the available mobile networks for encryptSIM data.
KT network identifiers
These public MCC/MNC identifiers can help recognize local network names a device may show during manual network selection. They are technical network identifiers, not a speed or availability guarantee.
| Destination | Local network | PLMN | Listed bands |
|---|---|---|---|
| South Korea | KT | 450-02 MCC 450 · MNC 02 |
5G 3500 / 5G 28000 |
| South Korea | KT | 450-04 MCC 450 · MNC 04 |
NB-IoT |
| South Korea | KT | 450-07 MCC 450 · MNC 07 |
Not listed |
| South Korea | KT Brand: olleh | 450-08 MCC 450 · MNC 08 |
UMTS 2100 / LTE 900 / LTE 1800 / LTE 2100 |
Related operators in the same destinations
Practical checks before using KT
- Use the destination cards to see where KT can be available through encryptSIM.
- Use each destination page to see which other supported operators are available there.
- Keep data roaming enabled for the encryptSIM line.
- Actual service depends on device support, roaming availability, signal, local coverage, and congestion.
Check your eSIM device
Before using encryptSIM on KT or any listed destination, make sure your phone or tablet supports eSIM.
Network names you may see
KT
KT eSIM FAQ
Does encryptSIM work with KT?
Yes, where KT is available in the supported destinations listed on this page: South Korea.
Do I need a local KT account?
No. encryptSIM is a separate eSIM data product. You do not need to open a direct local KT account for the data coverage listed here.
Can I force my phone to stay on KT?
Network selection depends on device settings, roaming availability, signal, local coverage, congestion, and local radio conditions.
Does 5G or 4G guarantee performance?
No. 5G, 4G, LTE, and 3G describe listed radio access. Actual performance depends on device support, signal, congestion, and plan conditions.