ORF is the the International Air Transport Association code, and the Federal Aviation Administration code for the Norfolk International Airport. Norflok is known as Korf by the International Civil Aviation Organization.

IATA is the International Air Transport Association, which assigns three-letter airport codes, such as DPS for Ngurah Rai International Airport, near Denpasar, Bali, Indonesia.

ZNZ is the International Air Transport Association airport code for the main airport in Zanzibar. This airport is currently named Abeid Amani Karume International Airport but was also known in the past as Kisauni Airport or Zanzibar International Airport

The International Air Transport Association (IATA) airport identification code for Birmingham Airport, England is BHX. One use of these codes is that they are displayed on baggage tags when checking in.

An IATA airport code, also known as an IATA location identifier, IATA station code or simply a location identifier, is a three-letter code designating many airports around the world, defined by the International Air Transport Association (IATA)