Airport code
USN — Ulsan Airport
USN is the IATA code for Ulsan Airport, an airport serving Ulsan, South Korea. Its ICAO code is RKPU, and it operates in the Asia/Seoul time zone (UTC+9). The airport sits at 35.5935, 129.3520 in the Northern Hemisphere, at an elevation of 45 ft (14 m).
Overview
About Ulsan Airport
Ulsan Airport is an airport in Ulsan, South Korea. In 2018, 817,341 passengers used the airport.
Reference data
Airport information
| IATA code | USN |
|---|---|
| ICAO code | RKPU |
| Airport name | Ulsan Airport |
| City | Ulsan |
| Country | South Korea |
| Time zone | Asia/Seoul (UTC+9) |
| Latitude | 35.5935 |
| Longitude | 129.3520 |
| Elevation | 45 ft (14 m) |
| Airport type | Medium airport |
| Continent | Asia |
| Runways | 1 |
| Longest runway | 6,561 ft (2,000 m) |
| Map | View on OpenStreetMap ↗ |
Reference data last updated 24 July 2026.
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Questions
Frequently asked questions
What is the IATA code for Ulsan Airport?
The IATA code for Ulsan Airport is USN.
What is the ICAO code for Ulsan Airport?
The ICAO code for Ulsan Airport is RKPU.
Where is USN airport located?
Ulsan Airport (USN) is located in Ulsan, South Korea.
What time zone is USN in?
Ulsan Airport operates in the Asia/Seoul time zone, which is UTC+9.
What is the nearest airport to USN?
The nearest airport to Ulsan Airport (USN) is Pohang Airport (G-815/K-3) (KPO) in Pohang, about 44 km away.
Same country