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Learn about the format, prefixes, and area codes of Canadian telephone numbers, as well as the history and regulation of the North American Numbering Plan. The country code for Canada is 1, which is used for international access and trunk prefix.
Find the mobile prefixes for different countries and territories, including Afghanistan, Åland, Algeria, American Samoa, Andorra, Angola, Antigua and Barbuda, Argentina, Armenia, Aruba, Ascension Island, Australia, Austria, etc. The web page also shows the international calling codes, the size of NN (NSN), and the carriers for each prefix.
Learn how telephone numbers are written and dialed in different countries and regions, according to the ITU recommendation E.123. Compare the formats, lengths, prefixes and codes of landline, mobile, toll free and service numbers.
E.164 is an ITU-T standard that defines a general format for international telephone numbers with up to fifteen digits. It includes country codes, global services, networks, groups of countries, and trials categories, and provides guidance on printing and DNS mapping of E.164 numbers.
Find out the telephone prefixes for reaching telephone subscribers in foreign countries or areas via international telecommunication networks. The list is organized by world zones and includes the ITU-T standards and the exceptions for political and historical alignment.
Learn about the three-digit codes that identify geographic regions and mobile network operators in the public land mobile networks. Find a complete list of MCC/MNC tuples for each country and territory, updated as of January 2024.
This list ranks the countries of the world by the number of mobile phone numbers in use. IMPORTANT NOTE: This list does NOT provide the "number of mobile phones in use." Nobody knows that data. This is a count of phone numbers by country. In fact, often each SIM card has a separate phone number, so those with a dozen SIM cards (for each city ...
A telephone directory is a listing of telephone subscribers in a geographical area or subscribers to services provided by the organization that publishes the directory. Learn about the history, types, and publication of telephone directories, and how they have changed with the Internet and smartphones.