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Worldwide distribution of country calling codes. Regions are coloured by first digit. 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 countries by number of telephone lines. ... United Kingdom: ... Canada: 11,312,000: 2022
This is a list of international dialing prefixes used in various countries for direct dialing of international telephone calls.These prefixes are typically required only when dialling from a landline, while in GSM-compliant mobile phone (cell phone) systems, the symbol + before the country code may be used irrespective of where the telephone is used at that moment; the network operator ...
A do not call list or do not call registry is a list of personal phone numbers that are off-limits to telemarketers in some countries. Do not call lists may also be held privately by a company, listing numbers that they will not call.
The Telephone Preference Service (TPS) is the United Kingdom's official do not call list. It allows businesses and individuals to opt out of unsolicited marketing calls. [1] Similar do not call lists are implemented in other countries, such as the National Do Not Call Registry in the United States, and the Do Not Call Register in Australia.
The fictitious number (02) 3456 7890 in Sydney, Australia, is published in the form +61 2 3456 7890 for international use. In countries participating in the North American Numbering Plan, such as the United States, Canada, and some Caribbean nations, this number is dialed as 011 61 2 3456 7890, with 011 being the international call prefix for the NANP and 61 being the country calling code of ...
The trunk prefix for dialing long-distance calls, across numbering plan area (NPA) boundaries within Canada or to other NANP countries, is also 1. Local calls from Canadian landlines are dialled without the trunk prefix. Overseas calls to locations outside the NANP are dialled with the 011 international prefix, followed by the country code and ...
The North American Numbering Plan (NANP) is a telephone numbering plan for twenty-five regions in twenty countries, primarily in North America and the Caribbean. This group is historically known as World Zone 1 and has the telephone country code 1. Some North American countries, most notably Mexico, do not participate with the NANP.