https://photius.com/wfb2001/airport_codes.html
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Airport codes around the World - IATA 3 Letter Airport Codes
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https://airportsbase.org/United_States/Maine/Biddeford
Airport codes Biddeford, Maine, United States (US) | ICAO, IATA international codes, location,...
World airport database, where you can find ICAO, IATA codes of Airport codes Biddeford, Maine, United States (US) | Database with locations of all airports in...
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https://www.budgetair.com/en_ca/blog/what-are-airport-codes
What are Airport Codes, Anyway? | BudgetAir Canada Blog
How are airport codes determined, what purpose do they serve, and how can they help travellers fly around the world?
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https://flyaow.com/citycoden.htm
Airport codes at Airlines Of The Web
Airport codes for almost 2000 airports worldwide!
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https://freezingblue.com/flashcards/235645/preview/us-airport-codes-states-h-mississippi
Flashcards - US Airport Codes States H - MISSISSIPPI
US Airport Codes States H - MISSISSIPPI - US Airport Codes for Hawaii through Mississippi
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https://www.flashcardmachine.com/airport-codes3.html
Airport Codes Flashcards
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https://www.air-port-codes.com/
Free Airport Codes API Data Feed
The airport codes official database for the airline industry. Use our airport codes API to access information on thousands of airports around the world.
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https://www.islands.com/1811133/canadian-airport-codes-start-y-reason/
The Reason Why Canadian Airport Codes Start With Y
Mar 21, 2025 - Canada airport codes mostly begin with a "Y." This was originally used to denote that the airports did have a radio tower on site. Those without used a "W."
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https://www.airportcodeguide.com/
Airport Codes Worldwide - IATA & ICAO Code Lookup
Feb 20, 2026 - Look up IATA and ICAO airport codes for 4,000+ airports worldwide. Find airport codes by city, country or continent.
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