Airline 3 Digit Codes & 2 Digit Codes 

Having access to the complete and frequently changed list of international country codes has many advantages. Avoiding miscommunication, providing false or old data to your customers and not having to deal with long names and getting lost in local translation is just a few of those. Airline 3 digit codes and airline 2 digit codes are irreplaceable codes that do not typically change. There is a countless amount of codes exist. So, having the opportunity to collect them in one place and combine with other databases offers especially developers a great advantage. 

Nowadays, many companies have to use this kind of data to provide the best service for their customers. When it comes to database of country codes for flight tracking, they are exceptionally useful. Especially for airliners and airports, booking agencies, cargo transporters, corporate booking platforms and countless more.

Airline 3 Digit Codes 

There are two types of country codes that are internationally recognized and used: 2 digit and 3 digit country codes. Also known as "ISO-2" and "ISO-3" codes. 

The ISO (International Organization of Standardization) codes of countries are internationally recognized codes assigned to each country or a dependent area and they can be combinations of two or three letters. Three digit codes are mostly used for machine-readable passports. These codes are also visually associated with the countries they represent. You can often see them used at international events like sports matches where they are in a form of abbreviations like DNK (for Denmark), CHN (for China) and so on. 

For a complete data presentation to your customers, you can combine our Airline 3 Digit Codes Database with our Airlines Database, Airports Database, Countries Database and many more provide access for your customers to all information on an airline, which country it is based in, all codes of that country as well as the airline, country codes, city codes and so much more!

lufthansa plane at gate

3 Digit Airline Ticketing Codes

Two Digit Airline Codes

3 digit airline ticketing codes are the numbers of an airline which the ticket was issued on its stock. This is usually the same airline as the airline which is carrying out the actual flight.

For example: 

  • Continental Airlines codes: 2-letter code is CO, 3-letter is COA, and the IATA code is 005.
  • United Airlines 2-letter code is UA, 3-letter is UAL, and the IATA code is 016.

Airline 2 digit codes of countries on the other hand, are the most used ones. Their most popular usage is for internet country code top level domain, such as β€œ.de”, β€œ.fr”, β€œ.jp”. Also, they are used as a base for some other codes like currency codes. Two digit airline codes are are mainly used to provide convenience for communication via internet as well as air traffic management. 

 What Makes Aviation Edge Different and Better

What are the reasons to choose our database of 2 digit and 3 digit ISO codes of countries?  

We highly recommend that you choose our database of 2 digit and 3 digit ISO codes of countries because we are aware that our customers need factual data and we take our mission seriously.

Updating our database is one of our priorities. This is because we understand that the success of our clients rely on data that is accurate, always. When you opt for our service and connect your software to our complete list of country ISO codes API for developers, you do not have to worry about changes or updates since we take care of it. We collect data from official sources in order to secure that we record any important changes. 

In order to make your business grow fast, we made it possible for you to combine our APIs and to get the best out of them. Or you can download our database directly. Matching official 2 digit and 3 digit ISO country codes API to the international numeric ISO country codes API may help you ease the choice and decide what is that you exactly need for each purpose. Even better results may be acquired if you match it to the list of all airport routes API. Combinations are numerous and it is your decision what you need to combine.


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Do not miss the opportunity to check our Premium package offers that comes with a set of guarantees in relation to data accuracy, server uptime and transfer speed.

Besides a database of 2 digit and 3 digit country codes, Premium packages offer much more information about countries and areas you choose. For more information contact our customer support and feel free to ask for more details about the Service Level Agreement that we offer to our Premium users. 

If you have any questions or feedback, please do not hesitate to contact us! We are always glad to hear about the ideas of our clients and contribute.