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    • What is the standard format for International phone numbers?

      • E.164 defines a general format for international telephone numbers. Plan-conforming numbers are limited to a maximum of 15 digits, excluding the international call prefix. The presentation of a number is usually prefixed with the plus sign ( + ), indicating that the number includes the country calling code.
  1. E.164 standard is the most frequently mentioned for International Telephone Number Format. E.164 is an ITU-T recommendation, titled The International Public Telecommunication numbering plan. E.164 standard was Numbering Plan for the ISDN Era.

    • Lily Stark
  2. en.wikipedia.org › wiki › EE.164 - Wikipedia

    E.164 is an international standard, titled The international public telecommunication numbering plan, that defines a numbering plan for the worldwide public switched telephone network and some other data networks. E.164 defines a general format for international telephone numbers. Plan-conforming numbers are limited to a maximum of 15 digits, excluding the international call prefix. As defined by the ITU-T, the E.164 general format must contain only digits split as follows: Country code Subscrib

    • (06/20), June 2020
    • In force
    • Freely available
    • 1984
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  4. The international notation of phone numbers is defined in ITU standard E.123 [ 1] and basically starts with a +, followed by the country code, a regular width non breaking space, the area code, space, local number. Usually, inside the local number, narrow non breaking spaces are used to break down the local number in groups of two or three for legibility.

    • Country Codes
    • E.164 Formatting
    • How Does The E.164 Numbering Plan Works?
    • International Phone Number Validator
    • Country-Specific Rules and Regulations

    The most important part to remember is to add the international country code. A mobile phone number in the United Kingdom always starts with the digits '07', for instance ‘07911 123456’. If you would not add an international country code, the computer might interpret that phone number otherwise. The country code for Russia is ‘+7’, and Russian mobi...

    It might be clever to format numbers using the E.164 recommendation. An international E.164 number is designed to include all of the necessary information to successfully route a call or SMS messageto an individual subscriber on a nation's public telephone network.

    A telephone number can have a maximum of 15 digits
    The first part of the telephone number is the country code (one to three digits)
    The second part is the national destination code (NDC)
    The last part is the subscriber number (SN)

    A great way to check whether a phone number is correct or how it should look in E.164 formatting is using the Phone Number Parser demo. That is part of a piece of software that Google uses to check phone number formatting in Android phones. The website ‘howstuffworks’ has more valuable background information on the origin of International Telecommu...

    SMS is an easy and effective way to instantly reach people all over the world. But with this wide range of countries you can reach, comes a wide range of differences in national habits, restrictions and options. For further tips and guidelines, please read our article on country-specific rules, regulations and habitsfor sending international SMS.

    • Cas Schalkx
  5. To summarize, when you want to place an international call: Dial the IDD, which for majority of the world is 00 or 011. Add the country code from the country code list. Then dial the target number, leaving off the first zero if there is one. If you experience any problems or issues, just call the local operator and request help placing the call.

  6. Writing telephone numbers: Phone number: Note +380 44 123 45 67 E.123, international format: country code, settlement code and telephone number are separated by spaces (044) 123 45 67

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