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A telephone directory, commonly called a telephone book, telephone address book, phonebook, or the white and yellow pages, is a listing of telephone subscribers in a geographical area or subscribers to services provided by the organization that publishes the directory.
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.
Making a phone call has never been easier with CountryCode.org. Find more information about country codes, phone codes, and ISO country codes. We've got the phone codes you need for easy international calling!
National conventions for writing telephone numbers vary by country. The International Telecommunication Union (ITU) publishes a recommendation entitled Notation for national and international telephone numbers, e-mail addresses and Web addresses.
To call or text a foreign telephone number you must use the international prefix of the country you are dialing from. Also known as international direct dialing (IDD) codes or exit codes, these prefixes are set to redirect calls or text messages to phone numbers registered in other countries.
The list of all current country codes by country and region including international direct dial codes.
12 cze 2024 · This guide explores the components of an international phone number, illustrates how different countries format their numbers, and explains the significance of adhering to the E.164 standard for seamless global connectivity.
