Search results
Results from the WOW.Com Content Network
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.
In the United Kingdom, the "area code" is often referred to as a "subscriber trunk dialling code" (STD code) or a "dialling code". STD codes are two, three, four or, exceptionally, five digits long (after the initial zero).
Country calling codes, country dial-in codes, international subscriber dialing ( ISD) codes, or most commonly, telephone country codes are telephone number prefixes for reaching telephone subscribers in foreign countries or areas via international telecommunication networks.
This is a list of international dialing prefixes used in various countries for direct dialing of international telephone calls.
Since the late 20th century, most international calls are dialed directly. Calls are initiated by dialing the international call prefix for the originating country, followed by the country calling code for the destination country, and finally the national telephone number of the destination.
020 is the national dialling code for London in the United Kingdom. All subscriber numbers within the area code consist of eight digits and it has capacity for approaching 100 million telephone numbers.
Different codes were used for STD and local dialling. Because of this, telephone numbers were usually still stated with the exchange name and subscriber number, e.g. 'Blackawton 299', to allow callers to look up the appropriate code for their call. Local dialling codes
In industry jargon, these area codes and prefixes are referred to as NDCs (National Dialing Codes). This is the term used by ComReg and technical documents, as they include non-geographic codes. Historically, like the UK, the term STD code (Subscriber Trunk Dialling) was used.
In telecommunication, a country code, or international subscriber dialing (ISD) code, is a telephone number prefix used in international direct dialing (IDD) and for destination routing of telephone calls to a country other than the caller's.
The United Kingdom adopts an open dialling plan for area codes within its public switched telephone network. Therefore, all area codes have a preceding "0" when dialling from within the United Kingdom. When dialling a UK number from abroad, the zero must be omitted.