
Toronto Pearson International Airport, also known as Lester B. Pearson International Airport, is located in Mississauga, Ontario, Canada. It is the largest and busiest airport in Canada, handling 46.8 million passengers in 2024. The airport's IATA code is YYZ, which has become a signifier of the city's identity, appearing in Instagram bios and local apparel. Interestingly, the code does not include any letters that indicate Pearson International Airport or Toronto, and its origin remains unclear. One theory suggests that the 'YZ' part may originate from the Morse Code identifiers for railway stations along the Canadian National Railway, where the station in Malton, Ontario (the airport's location) was identified as YZ.
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What You'll Learn
- Toronto Pearson International Airport is located in Mississauga, Ontario, Canada
- YYZ is derived from the Morse code identifier for the station in Malton, Ontario
- YTO is the metrocode for all Toronto metropolitan airports
- YYZ is a signifier of Toronto's identity
- The airport is named after Lester B. Pearson, Canada's 14th Prime Minister

Toronto Pearson International Airport is located in Mississauga, Ontario, Canada
Toronto Pearson International Airport is located in Mississauga, in the province of Ontario, Canada. It is the main airport serving Toronto, its metropolitan area, and the surrounding region known as the Golden Horseshoe. Pearson is the largest and busiest airport in Canada, handling 46.8 million passengers in 2024. It is named in honour of Lester B. Pearson, the 14th Prime Minister of Canada and 1957 Nobel Peace Prize laureate for his humanitarian work in peacekeeping.
The airport is situated 25 kilometres (approximately 14 to 16 miles) northwest of Downtown Toronto in the adjacent city of Mississauga, with a small portion of the airfield extending into Toronto's western district of Etobicoke. It has five runways and two passenger terminals, Terminal 1 and Terminal 3, along with numerous cargo, maintenance, and aerospace production facilities. The site covers 1,867 hectares (4,613 acres).
Toronto Pearson International Airport is well-connected to the surrounding area by various transport options. Brampton Transit buses and MiWay buses serve Terminal 1, while GO Transit coaches operate from Terminal 1 to cities across the Greater Toronto Area. MiWay also operates an all-day public transit bus service from the airport to the city of Mississauga, with connections to locations such as City Centre Transit Terminal, Humber College, and Meadowvale Town Centre Terminal.
The airport's unique identifier, YYZ, is more than just a code. While it doesn't include any letters that obviously relate to the airport or Toronto, it has become a signifier of the city's identity. The code YZ dates back to the Morse Code identifiers of railway stations along the Canadian National Railway, where YZ was the code for the station in Malton, Ontario, the location of the airport. Thus, the airport's code became YYZ.
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YYZ is derived from the Morse code identifier for the station in Malton, Ontario
Toronto Pearson International Airport, also known as Pearson Airport or Pearson, is located in Mississauga, Ontario, Canada. It is the largest and busiest airport in Canada, serving Toronto and the surrounding region known as the Golden Horseshoe. The airport is named after Lester B. Pearson, the 14th Prime Minister of Canada and 1957 Nobel Peace Prize laureate.
The airport's IATA code is YYZ. Interestingly, YYZ doesn't include any letters that indicate it belongs to Pearson International Airport or Toronto. For example, Tokyo's airport code is HND, and Berlin's airport is coded BER. So, why is Toronto's airport coded YYZ?
The Morse code railway stations along the Canadian National Railway used two-letter identifiers. The telegraph station in Toronto was coded TZ, which is why the smaller Billy Bishop Airport is coded YTZ.
The airport code YYZ has also inspired a Rush instrumental piece titled "YYZ" from their 1981 album, "Moving Pictures". The band members Geddy Lee and Alex Lifeson are from Toronto, and they heard the YYZ identifier code in Morse code when flying into the airport.
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YTO is the metrocode for all Toronto metropolitan airports
Toronto, Canada's most populous city and the provincial capital of Ontario, has more than one airport. Toronto Pearson International Airport (IATA: YYZ, ICAO: CYYZ) is the main airport serving Toronto, its metropolitan area, and the surrounding region known as the Golden Horseshoe. It is the largest and busiest airport in Canada, handling 46.8 million passengers in 2024.
Since Toronto has multiple airports, YTO is used as the Metropolitan Area Code for all of Toronto's metropolitan airports, including Billy Bishop Toronto City Airport (YTZ), Hamilton's airport (YHM), Waterloo International (YKF), and Pearson (YYZ). The telegraph station in Toronto was coded TZ, which is why Toronto's smaller Billy Bishop Airport is coded YTZ.
YYZ doesn't include any letters that might indicate it belongs to Pearson International Airport or Toronto. Mona Aubin, Manager of Corporate Communications for the International Air Transport Association (IATA), has stated that there is no simple explanation for all airport codes. The three-letter naming system has been around since the 1920s and 1930s, when countries used to assign two-letter codes to radio and weather transmitter stations.
YTO would seem like the most natural code for Pearson Airport, but it was already being used as the metrocode for all of Toronto's metropolitan airports when the Metropolitan Area was created. Airlines can decide to use any existing code within that Metropolitan Area or create a new code.
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YYZ is a signifier of Toronto's identity
YYZ is more than just an airport code for Toronto Pearson International Airport; it has become a signifier of Toronto's identity. While airport codes usually include letters that indicate the city they are located in, Toronto's YYZ code does not. The code is derived from the telegraph station code in Malton, Ontario, where the airport is located. The station in Malton, Ontario, was assigned the code YZ during the era of Morse Code railway stations along the Canadian National Railway, which had two-letter identifiers.
The YYZ code has become a popular symbol for the city of Toronto, appearing on apparel by local brands and in the Instagram bios of Toronto's jet-setters. The code has also inspired art and music, such as the song "YYZ" by Canadian rock band Rush, which features the YYZ identifier code in Morse code. The band members Geddy Lee and Alex Lifeson, who are from Toronto, said, "It's always a happy day when YYZ appears on our luggage tags."
The unique airport code has become a point of pride and recognition for Torontonians and has helped to put the city on the map, quite literally, in the aviation world. The code is easily remembered and recognized by travellers passing through Toronto Pearson International Airport, further solidifying its association with the city.
YYZ has become an integral part of Toronto's culture and identity, with references to it appearing in various forms, from casual social media bios to specialty bars at the airport, such as the Rush-themed bar in Terminal 1. The code has become a unifying symbol for the city, connecting its past as a Morse Code railway station to its present as a bustling international airport.
In conclusion, YYZ has transcended its original purpose as a simple airport code and has taken on a life of its own as a powerful signifier of Toronto's identity and culture, both locally and globally.
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The airport is named after Lester B. Pearson, Canada's 14th Prime Minister
Toronto Pearson International Airport, coded YYZ, is named after Lester B. Pearson, Canada's 14th Prime Minister. The airport is located in Mississauga, Ontario, Canada, and is the largest and busiest airport in the country, serving 46.8 million passengers in 2024. It is situated 25 kilometres (16 mi) northwest of Downtown Toronto, with a small portion of the airfield extending into Toronto's western district of Etobicoke. The airport covers 1,867 hectares (4,613 acres) and features five runways, two passenger terminals, and numerous cargo, maintenance, and aerospace production facilities.
Lester B. Pearson, whom the airport is named after, was a prominent Canadian politician and the country's 14th Prime Minister from 1963 to 1968. He is widely known for his humanitarian work in peacekeeping, which earned him the 1957 Nobel Peace Prize. Pearson played a significant role in establishing the United Nations Peacekeeping Force and was instrumental in resolving the Suez Canal Crisis in 1956.
The airport's code, YYZ, has an interesting history. Initially called Malton Airport, the airport is located in what was once Malton, Ontario. In the era of Morse Code railway stations, the station in Malton was assigned the identifier YZ. Thus, when airport codes were established, the airport adopted the code YYZ, adding the first letter of the word "Y" to indicate an airport, forming YYZ.
While YTO might seem like a more intuitive code for the airport, it is already used as the umbrella metrocode for all of Toronto's metropolitan airports, including Billy Bishop Airport (YTZ), Hamilton's Airport (YHM), and Waterloo International (YKF). Therefore, the unique code of YYZ was chosen for Pearson Airport to distinguish it from the other airports in the metropolitan area.
Today, YYZ has become more than just an airport code for Toronto Pearson International Airport. It has evolved into a symbol of the city's identity, featured in Instagram bios and local brand apparel. The airport continues to play a crucial role in connecting Toronto to the world, honouring the legacy of Lester B. Pearson through its operations and impact on the region.
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Frequently asked questions
YYZ is Toronto's airport code and has become a signifier of the city's identity. The code YZ dates back to the Morse Code railway stations along the Canadian National Railway, which had two-letter identifiers. The code for the station in Malton, Ontario, where Pearson Airport is located, was YZ.
YYZ doesn't stand for anything in particular. Many airport codes include letters that indicate the location of the airport, but YYZ does not.
The name of the airport in Toronto is Toronto Pearson International Airport. It is named after Lester B. Pearson, the 14th Prime Minister of Canada and 1957 Nobel Peace Prize laureate.
Yes, Toronto has more than one airport. Some of the other airports in Toronto include Billy Bishop Toronto City Airport and Toronto/Buttonville Municipal Airport in Markham, which closed in 2023.











































