Airport code
ATW — Appleton International Airport
ATW is the IATA code for Appleton International Airport, an airport serving Appleton, United States. Its ICAO code is KATW, and it operates in the America/Chicago time zone (UTC-6). The airport sits at 44.2581, -88.5191 in the Northern Hemisphere, at an elevation of 918 ft (280 m).
Overview
About Appleton International Airport
Appleton International Airport, formerly Outagamie County Regional Airport, is an airport located in Greenville, Wisconsin, United States, 3 nautical miles west of Appleton. It is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2025–2029. Along with Madison’s Dane County Regional Airport, it is one of two airports in the State of Wisconsin categorized as a small hub. The airport covers 1,638 acres (6.63 km2) at an elevation of 918 feet (280 m) above sea level.
Reference data
Airport information
| IATA code | ATW |
|---|---|
| ICAO code | KATW |
| Airport name | Appleton International Airport |
| City | Appleton |
| Country | United States |
| Time zone | America/Chicago (UTC-6) |
| Latitude | 44.2581 |
| Longitude | -88.5191 |
| Elevation | 918 ft (280 m) |
| Airport type | Medium airport |
| Continent | North America |
| Runways | 2 |
| Longest runway | 8,003 ft (2,439 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 Appleton International Airport?
The IATA code for Appleton International Airport is ATW.
What is the ICAO code for Appleton International Airport?
The ICAO code for Appleton International Airport is KATW.
Where is ATW airport located?
Appleton International Airport (ATW) is located in Appleton, United States.
What time zone is ATW in?
Appleton International Airport operates in the America/Chicago time zone, which is UTC-6.
What is the nearest airport to ATW?
The nearest airport to Appleton International Airport (ATW) is Austin Straubel International Airport (GRB) in Green Bay, about 40 km away.
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