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An IATA airport code, also known as an IATA location identifier, is a unique three-letter code assigned to airports across the world. These codes are defined by the International Air Transport Association (IATA) and are used to identify airports, cities with one or more airports, and metropolitan areas with multiple airports. They are often seen on baggage tags and help standardize and simplify the identification of airports globally. Examples include YYZ for Toronto Pearson Airport and MAA for Chennai International Airport.
| Characteristics | Values |
|---|---|
| Number of letters | 3 |
| Number of possible codes | 17,500-17,576 |
| Administered codes | Over 11,000 |
| Use case | Passenger ticketing, booking cargo, simplifying flight searches to multiple airports in the same city |
| Code composition | Derived from the first three letters of an airport's city, the airport's name, or an aspect of the city's history or location |
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What You'll Learn
- IATA codes are essential for the identification of an airline and its documents
- Codes are unique three-letter geocodes
- They are assigned by IATA Resolution 763 and administered in Montreal, Canada
- Some airport brands use their IATA codes in their names
- The codes are published semi-annually in the IATA Airline Coding Directory
IATA codes are essential for the identification of an airline and its documents
IATA codes are an integral part of the travel industry and are essential for the identification of an airline, its destinations, and its traffic documents. They are also fundamental to the smooth running of hundreds of electronic applications built around these coding systems for passenger and cargo traffic.
The airline coding directory and location identifiers are the official industry source for airline and location codes worldwide. These codes are used in a wide variety of commercial scenarios, including reservations, schedules, timetables, telecommunications, ticketing, cargo documentation, and legal and tariff purposes.
IATA assigns a unique two-character code, consisting of two letters or a letter and a digit, to all airlines, even those that are not IATA members. For example, AA stands for American Airlines, KL for KLM, and 7S for Ryanair. These airline designator codes are the first two characters of the flight number and can be seen on tickets and sometimes on boarding passes.
Additionally, airlines can request a unique three-letter code to identify a location, such as an airport. Bus or ferry stations may also be eligible for an IATA location identifier if they are involved in intermodal airline travel. Baggage tag issuer codes, combined with the tag serial number, are used to identify each piece of checked luggage and provide a unique identifier during its journey.
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Codes are unique three-letter geocodes
An IATA airport code is a unique three-letter geocode used to designate many airports, cities, and metropolitan areas around the world. These codes are defined by the International Air Transport Association (IATA) and are essential for the smooth functioning of the travel industry. They are used to identify an airline, its destinations, and its traffic documents.
The IATA codes are used in various applications, such as reservations, schedules, timetables, telecommunications, ticketing, cargo documentation, legal, and tariffs. They are also used for brand identification by some airports, such as Calgary International Airport (YYC) and Vancouver International Airport (YVR).
The assignment of IATA codes is governed by IATA Resolution 763 and administered by the IATA's headquarters in Montreal, Canada. These codes are published semi-annually in the IATA Airline Coding Directory, which serves as the official industry source for airline and location codes worldwide.
While most airports use IATA codes, there are some exceptions, such as certain airports in the U.S. that use FAA codes instead. Additionally, some countries like Canada have airport codes that bear little resemblance to the city's name, making it challenging for the public to associate them with the correct location.
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They are assigned by IATA Resolution 763 and administered in Montreal, Canada
The International Air Transport Association (IATA) is the governing body that assigns unique, official codes to airlines and airports. These codes are used to identify specific airports and airlines and are essential for effective airline operations and baggage handling.
IATA airport codes are typically 3-letter codes that act as unique identifiers for airports worldwide. For example, the IATA code for Guangzhou Baiyun International Airport is "CAN". These codes are especially useful when multiple airports serve the same city or region, helping to differentiate between them clearly.
IATA's role in code assignment is formalized through Resolution 763, which outlines the procedures for assigning location identifiers. This resolution is part of a broader set of guidelines and recommended practices that IATA publishes, encompassing various aspects of airline operations, including baggage handling processes and standards.
IATA is headquartered in Montreal, Canada, and it is from this central location that the association administers its global operations and governs the use of these codes. By having a central governing body, consistency and accuracy in airport and airline identification are maintained, facilitating seamless communication and coordination within the aviation industry.
IATA's code search engine serves as an official source for referencing these codes. It enables users to identify the 2-letter code for an airline or determine the corresponding airline for a given 2-letter code. Similarly, users can search for the 3-letter code of an airport or verify which airport uses a specific code.
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Some airport brands use their IATA codes in their names
IATA airport codes are three-letter codes assigned by the International Air Transport Association to identify airports and airlines. Some airport brands use their IATA codes in their names, such as Calgary International Airport (YYC) and Vancouver International Airport (YVR). These codes are often used in casual conversation and become part of the local culture, like Toronto's YYZ, which inspired a song by the rock band Rush.
The use of IATA codes in airport names is especially common in New Zealand, where airports use codes ending in Z to distinguish them from similar airport names in other countries. For example, Hamilton Airport uses HLZ, Queenstown Airport uses ZQN, and Westport Airport uses WSZ. In the United States, some airports retained their NWS codes and added an X at the end, like Phoenix's PHX.
Some airports use IATA codes that don't match the city's name, often with interesting histories. Orlando International Airport's code is MCO because it used to be McCoy Air Force Base. Airports may also be named for a nearby city or administrative division, like Juan Santamaría International Airport in Costa Rica, which is named for the capital city of San José but is located in Alajuela province.
IATA codes are essential for passenger ticketing and booking cargo, simplifying flight searches for travellers. They are also useful for pilots, who must ensure they choose the right airport. While ICAO codes are preferred by pilots for their organised naming scheme, IATA codes are still crucial for domestic flights and passenger services.
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The codes are published semi-annually in the IATA Airline Coding Directory
The IATA Airline Coding Directory is the official industry source for airline and airport codes. It is a trusted source for aviation professionals, providing a comprehensive list of IATA codes used by airlines and airports, including IATA 3-letter and 2-letter codes. The directory is published semi-annually, ensuring that users have access to the most up-to-date information.
The IATA Airline Coding Directory is an essential tool for the aviation industry, offering a single point of reference for reservations, schedules, timetables, telecommunications, cargo documentation, and other aviation and travel-related purposes. It is widely used by airlines, airports, and travel professionals to ensure accurate and efficient operations.
The directory is also helpful for passengers and travellers. It enables them to identify the unique three-letter geocode assigned to airports, cities, and metropolitan areas worldwide. These codes are often seen on baggage tags and are useful for route planning and airport identification.
Additionally, the IATA Airline Coding Directory provides codes for airport handling entities and certain railway stations. It offers a user-friendly platform with search and filtering options, making it convenient for users to quickly access the required information. The directory is updated daily, incorporating any modifications to the codes, ensuring its reliability and accuracy.
Published by the International Air Transport Association (IATA), the IATA Airline Coding Directory is an authoritative source that plays a crucial role in facilitating efficient travel and aviation operations globally. It is an indispensable tool for anyone involved in the industry, from airlines and airports to travellers and aviation enthusiasts.
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Frequently asked questions
An IATA airport code is a unique three-letter geocode designating many airports, cities, and metropolitan areas around the world.
IATA codes are an integral part of the travel industry and essential for the identification of an airline, its destinations, and its traffic documents. They are also used for baggage tags and in logistics.
The assignment of IATA airport codes is governed by IATA Resolution 763 and administered by the IATA's headquarters in Montreal, Canada.
You can find the IATA airport code for any commercial airport worldwide using the IATA Customer Portal or the IATA Airline and Airport Code Search Engine.
