What is the international format of the phone number?

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The international format of a phone number is a standardized way of representing telephone numbers that allows for clear and consistent communication across different countries and regions. This format is essential for international calls, telecommunications, and global business operations, ensuring that phone numbers are correctly interpreted regardless of where the caller or recipient is located.

Understanding the International Phone Number Format

At its core, the international phone number format is designed to include all necessary components to identify a specific telephone line anywhere in the world. These components typically include:

Exit Code (International Dialing Prefix):
This is a code used to dial out of the current country’s telephone network. It varies from country to country. For example, the exit code for the United States and Canada is "011," while many countries in Europe use "00." When writing the international number, the exit code is often replaced or omitted, especially in standardized formats, and replaced with the plus sign (+).

Country Calling Code (Country Code):
This is a numerical prefix assigned germany mobile phone number list to each country or territory by the International Telecommunication Union (ITU). For example:

United States and Canada: +1
United Kingdom: +44
Australia: +61
India: +91
The country code is essential for routing the call to the correct country.

National Significant Number (NSN):
This is the main part of the phone number, excluding the country code. It includes the area or city code and the local number. The length and structure vary by country.

Standard International Format

The international standard for representing phone numbers is defined by the ITU-T E.123 recommendation. The recommended format is: