As a result, airports across the globe began using a three-letter code system, which allows for over 17,000 possible code combinations. Related. Analysis: How And Why IATA & ICAO Airport Codes Differ.

NOIDA: Noida has found a place in the international aviation map with the upcoming Jewar airport getting the three-letter code 'DXN' from the global airlines' body IATA. Officials on Wednesday ...