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  2. Telephone numbers in Vietnam - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Vietnam

    Vietnam's country code is +84.There are many area codes for landlines, as well as a separate format for mobile phone numbers.The five emergency phone numbers are 111 (child protection), 112 (lifesaving services), 113 (), 114 (fire), and 115 (first aid).

  3. List of country calling codes - Wikipedia

    en.wikipedia.org/wiki/List_of_country_calling_codes

    Country codes are defined by the International Telecommunication Union (ITU) in ITU-T standards E.123 and E.164. The prefixes enable international direct dialing (IDD). Country codes constitute the international telephone numbering plan. They are used only when dialing a telephone number in a country or world region other than the caller's.

  4. Telephone numbers in Asia - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Asia

    Telephone numbers in Vietnam Yemen: 9 +967: 00: Telephone numbers in Yemen: States and territories without a separate country calling code. Country name Country Code

  5. List of mobile telephone prefixes by country - Wikipedia

    en.wikipedia.org/wiki/List_of_mobile_telephone...

    Mobile phones use geographic area codes (two digits): after that, all numbers assigned to mobile service have nine digits, starting with 6, 7, 8 or 9 (example: 55 15 99999–9999). 90 is not possible, because collect calls start with this number.

  6. Mobile country code - Wikipedia

    en.wikipedia.org/wiki/Mobile_country_code

    Mobile country code Country ISO 3166 Mobile network codes National MNC authority Remarks 289 A Abkhazia GE-AB List of mobile network codes in Abkhazia MCC is not listed by ITU 412 Afghanistan AF List of mobile network codes in Afghanistan 276 Albania AL List of mobile network codes in Albania 603 Algeria DZ List of mobile network codes in Algeria 544 American Samoa (United States of America ...

  7. Lists of country codes - Wikipedia

    en.wikipedia.org/wiki/Lists_of_country_codes

    This is a listing of lists of country codes: List of ISO country codes (ISO 3166) ITU country code (International Telecommunication Union) List of country calling codes E.164; Mobile country code E.212; Maritime identification digits; List of ITU letter codes (radiocommunication division) UIC country code (International Union of Railways) List ...

  8. List of international call prefixes - Wikipedia

    en.wikipedia.org/wiki/List_of_international_call...

    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 ...

  9. List of emergency telephone numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_emergency...

    111 – emergency number in New Zealand; 112 – emergency number across the European Union and on GSM mobile networks across the world; 119 – emergency number in Jamaica and parts of Asia; 122 – emergency number for specific services in several countries; 911 – emergency number in North America and parts of the Pacific