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  2. Telephone numbers in Brazil - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Brazil

    As established by ANATEL, the Brazilian federal telecommunications regulatory agency, the format for a local phone number is nnnn-nnnn (eight digits) for landlines, and nnnnn-nnnn (nine digits) for mobile lines. The first digits of the local number identify the service associated with the phone number: 100 to 199: special short public utility numbers (see below) 2000 to 5999: landlines 6000 to ...

  3. 112 (emergency telephone number) - Wikipedia

    en.wikipedia.org/wiki/112_(emergency_telephone...

    112 is a common emergency telephone number that can be dialed free of charge from most mobile telephones, and in some countries, fixed telephones in order to reach emergency services (ambulance, fire and rescue, police).

  4. Telephone numbers in Australia - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Australia

    Thus, it is strongly recommended that telephone numbers should be stored in mobile phones in the form of the full international number, should the owner of the phone be likely to use the phone concerned in an area away from home, either within Australia or internationally.

  5. Telephone numbers in Bulgaria - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Bulgaria

    Telephone numbers in Bulgaria. Telephone numbers in Bulgaria are under a full number dialing plan, meaning that the full national number must be dialed for all calls, while it retains the trunk code, '0', for all national dialling. Area codes are prefixed with a trunk code of 0 only when dialled domestically.

  6. Telephone keypad - Wikipedia

    en.wikipedia.org/wiki/Telephone_keypad

    A telephone keypad using the ITU E.161 standard. A telephone keypad is a keypad installed on a push-button telephone or similar telecommunication device for dialing a telephone number. It was standardized when the dual-tone multi-frequency signaling (DTMF) system was developed in the Bell System in the United States in the 1960s that replaced ...

  7. Virtual number - Wikipedia

    en.wikipedia.org/wiki/Virtual_number

    A virtual number is a telephone number that is not directly associated with a telephone line. It is used to forward incoming calls to one or more pre-set telephone numbers chosen by the client. Virtual numbers are often used for privacy reasons, as they allow users to keep their personal phone numbers private while still receiving calls.

  8. List of emergency telephone numbers - Wikipedia

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

    In many countries, dialing either 112 (used in Europe and parts of Asia) or 911 (used mostly in the Americas) will connect callers to the local emergency services. Some countries use other emergency telephone numbers, sometimes also depending on the emergency service. The emergency numbers in the world (but not necessarily all of them) are listed below.

  9. Telephone numbers in the Republic of Ireland - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_the...

    Telephone numbers in Ireland are part of an open numbering plan that allows variations in number length. The Irish format is similar to systems used in many parts of Europe, notably the Netherlands, Sweden, Germany, Belgium and France, where geographical numbers are organised using a logic of large regional prefixes, which are then further subdivided into smaller regions. It differs from UK ...