Which country has the International Dialling prefix 44?
International direct dialing recommended by the regulations of the ITU. International direct dialing International direct dialing (IDD) or international subscriber dialling (ISD) is placing an international telephone call that is dialed directly by a telephone subscriber, rather than by an telephone operator. The term "international subscriber dialling" was used in the United Kingdom and Australia until the terminology was changed to international direct dialling. 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
Subscriber trunk dialling name on the telephone dial, with the exception of London which had the two-digit code 01. Codes were later changed (e.g., London became 020, and Manchester 0161). Until 1992, calls to these cities from Ireland required the following codes: In that year, this changed to dialling in the international format , and the 03 range was withdrawn from use. Subscriber trunk dialling Subscriber trunk dialling (STD, also known as subscriber toll dialling) is a telephone system allowing subscribers to dial trunk calls without operator assistance. The term was introduced when it first became possible for long-distance calls to be dialled