SKT coverage map
Check the SKT coverage map anywhere in South Korea. Sogudo shows estimated SKT 4G and 5G network coverage at street level - computed from public antenna data, so you can see what SKT actually delivers at your address before you commit.
How good is SKT coverage?
SKT has one of the largest networks in South Korea, with solid 4G reach beyond the cities and growing 5G in larger towns. But SKT coverage changes from street to street - use the map above to check the expected signal exactly where you need it.
SKT 5G coverage
Switch the map to 5G to see SKT 5G coverage areas. Where 5G is unavailable, the phone falls back to SKT 4G. The SKT 5G map is modeled from antenna data and updated monthly.
Check SKT coverage at your address
Enter an address or postcode and Sogudo shows the expected SKT coverage and network type at that exact point. Move the marker to compare neighbouring streets - useful for a new flat, office or trip.
The network behind the map
What SKT actually runs in South Korea, counted from the same antenna data the map is built on.
251,341
Antenna sites
No. 1 of 3 by site count
- 3G
- 98,813
- 4G
- 198,173
- 5G
- 78,666
3G
SKT still operates its 3G network.
Shared networks
Where SKT carries traffic on another operator's radio network, and on what terms.
a reciprocal national roaming agreement with KT
432 rural/coastal/farm villages (52 counties)
Sources: etnews.com · hankyung.com
a reciprocal national roaming agreement with LG U+
432 rural/coastal/farm villages (52 counties)
Sources: etnews.com · hankyung.com
Frequency bands
How many SKT sites use each band.
3G
| Band | Sites |
|---|---|
| 2100 MHz | 98,813 |
SKT runs its 3G network on 2100 MHz.
4G
| Band | Sites |
|---|---|
| 800 MHz | 198,173 |
SKT runs its 4G network on 800 MHz.
5G
| Band | Sites |
|---|---|
| 3500 MHz | 78,666 |
SKT runs its 5G network on 3500 MHz.
SKT compared with KT, LG U+
The best network depends on location. Compare the SKT coverage map with KT, LG U+ at the same address to see who delivers the strongest signal where you are.
Frequently asked questions about SKT coverage
Does SKT have good coverage in South Korea?
SKT ranks No. 1 of 3 in South Korea by site count. That is the national picture: coverage still changes street by street, so search your own address on the map above.
Does SKT offer 5G in South Korea?
Yes. SKT runs 5G from 78,666 of its sites. Switch the map to 5G to see the covered areas.
Is the SKT map up to date?
The map is built from antenna data dated August 2026, and the SKT network facts were last verified on August 14, 2026. Sogudo does not resell SKT data.
Is Sogudo affiliated with SKT?
No. Sogudo is independent and computes coverage from public antenna data.