In the aviation industry, a pseudo city code, pseudo-city code, or office ID, is an alpha-numeric identifier for a corporate user of a

computer reservation system Computer reservation systems, or central reservation systems (CRS), are computerized systems used to store and retrieve information and conduct transactions related to air travel, hotels, car rental, or other activities. Originally designed and ope ...

(CRS) or

global distribution system A global distribution system (GDS) is a computerised network system owned or operated by a company that enables transactions between travel industry service providers, mainly airlines, hotels, car rental companies, and Travel agency, travel agen ...

(GDS), typically a

travel agency A travel agency is a private retailer or public service that provides travel and tourism-related services to the general public on behalf of accommodation or travel suppliers to offer different kinds of travelling packages for each destina ...

. The codes are typically 3 or 4 characters long, (although the

Amadeus Amadeus may refer to: People and fictional characters * Amadeus (name) Amadeus is a theophoric name, theophoric given name derived from the Latin words ' – the Imperative mood, imperative of the word ' ("to love") – and ' ("god"). As a Compou ...

system uses up to nine characters), and are unique to a specific office of a travel agency. They are used to associate each agency's bookings with the agency, and also to identify private fares available to the agency.Ginger Todd, Susan Rice, ''A Guide to Becoming a Travel Professional'', p. 31 Pseudo city codes (PCCs) have many uses in the airline industry. As well as identifying a particular office, they can be used to restrict or allocate certain privileges. The most common of these is privacy: an agent can normally only see bookings made in their PCC. A travel agency's head office or ticketing department may have more access and see all bookings made within the company. The codes are also used to restrict those who can issue tickets, limiting access only to agencies with the required training and legal requirements. Some GDS systems have a "training pseudo" where agents cannot make live bookings. These restrictions also allow airlines to negotiate fares with a company and restrict it to an individual company. Only those agencies within that pseudo-city code will be able to access and sell the fare. GDS examples are

Galileo Galileo di Vincenzo Bonaiuti de' Galilei (15 February 1564 – 8 January 1642), commonly referred to as Galileo Galilei ( , , ) or mononymously as Galileo, was an Italian astronomer, physicist and engineer, sometimes described as a poly ...

Sabre A sabre or saber ( ) is a type of backsword with a curved blade associated with the light cavalry of the Early Modern warfare, early modern and Napoleonic period, Napoleonic periods. Originally associated with Central European cavalry such a ...

References

Airline tickets Travel technology {{aviation-stub