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From the introduction of the telephone in the late 1870s, [5] to the early 1990s, telephone numbers in most of the United Kingdom were usually shown with a written exchange name followed by the subscriber number, e.g. 'Mallaig 10' or 'Aberdeen 43342'. This allowed calls to be placed initially through the operator and later by using local or ...
In the United Kingdom, telephone numbers are administered by the Office of Communications ().For this purpose, Ofcom established a telephone numbering plan, known as the National Telephone Numbering Plan, which is the system for assigning telephone numbers to subscriber stations.
There is a set numbering plan for phone numbers within the United Kingdom, which is regulated by the Office of Communications , which replaced the Office of Telecommunications in 2003. Each number consists of an area code – one for each of the large towns and cities and their surroundings – and a subscriber number – the individual number.
A telephone number is a sequence of digits assigned to a landline telephone subscriber station connected to a telephone line or to a wireless electronic telephony device, such as a radio telephone or a mobile telephone, or to other devices for data transmission via the public switched telephone network (PSTN), or other public and private networks.
This is a list of telephone dialling codes in the United Kingdom, which adopts an open telephone numbering plan for its public switched telephone network. The national telephone numbering plan is maintained by Ofcom , an independent regulator and competition authority for the UK communications industries.
Non-geographic telephone numbers in the United Kingdom. A non-geographic number is a type of telephone number that is not linked to any specific locality. Such numbers are an alternative to the traditional 'landline' numbers that are assigned geographically using a system of location-specific area codes. Non-geographic numbers are used for ...
A standard United Kingdom fixed telephone number (i.e. a landline, or geographical number, as opposed to a mobile telephone number or special rate non-geographic fixed line) is divided into three parts, the trunk prefix code (0 in the UK), an STD code (area code) followed by a local number. The STD (Subscriber Trunk Dialling) code indicates the ...
Big Number Change. The Big Number Change addressed various issues with the telephone dialling plan in the United Kingdom, during the late 1990s and early 2000s. The first was an update to a small number of geographic dialling codes in response to the rapid late-1990s growth of telecommunications and impending exhaustion of local numbers in ...