Airports US 4LL3
Small Airport
4LL3
4LL3

🇺🇸 John L Coppernoll Airport

Stockton, US-IL, US 930 ft America/Chicago
Updated Dec 5, 2025

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4LL3 in 20 seconds
John L Coppernoll Airport serves Stockton, US.
AirportRoutes · updated Dec 5, 2025
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Where is John L Coppernoll Airport located?

John L Coppernoll Airport is located in Stockton, US, at an elevation of 930 ft. Its IATA code is — and ICAO code is 4LL3.