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  2. Textfree - Wikipedia

    en.wikipedia.org/wiki/Textfree

    textfree .us. TextFree (formerly called Pinger and sometimes stylized as textfree) is a mobile application and web service that allows users to send and receive text messages, as well as make and receive VoIP phone calls, for free over the internet. The service costs nothing because it is supported by ads, but users have the option of paying ...

  3. Fictitious telephone number - Wikipedia

    en.wikipedia.org/wiki/Fictitious_telephone_number

    Ranges for fictitious telephone numbers are common in most telephone numbering plans. One of the main reasons these ranges exist is to avoid accidentally using real phone numbers in movies and television programs because of viewers frequently calling the numbers used.

  4. How to Do a Free Reverse Phone Lookup & the 8 Best ... - AOL

    www.aol.com/finance/free-reverse-phone-lookup-8...

    By using a free reverse phone search service, you can enter the phone number that’s been calling you into a search engine and find out who owns that number.

  5. List of random number generators - Wikipedia

    en.wikipedia.org/wiki/List_of_random_number...

    List of random number generators. Random number generators are important in many kinds of technical applications, including physics, engineering or mathematical computer studies (e.g., Monte Carlo simulations), cryptography and gambling (on game servers ). This list includes many common types, regardless of quality or applicability to a given ...

  6. Telephone numbers in Iraq - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Iraq

    Telephone numbers in Iraq. Iraq area codes can be 1 or 2 digits (not counting the trunk prefix 0) and the subscriber numbers are usually 6 digits. In Baghdad and some other governorates, they are 7 digits. The mobile numbers have 10 digits, beginning with the 3-digit code of each operator followed by 7 digits.

  7. Random number generation - Wikipedia

    en.wikipedia.org/wiki/Random_number_generation

    Dice are an example of a mechanical hardware random number generator. When a cubical die is rolled, a random number from 1 to 6 is obtained. Random number generation is a process by which, often by means of a random number generator (RNG), a sequence of numbers or symbols that cannot be reasonably predicted better than by random chance is generated.

  8. Telephone numbers in Argentina - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Argentina

    Inbound SMS. To send an SMS text message to an Argentine cell phone from another country, the 9 used internationally when dialing the number for a voice call (and the 15 used for calls within Argentina) is omitted. For example, if the mobile number in Argentina is (11) 15 1234–5678, a voice call from abroad would be dialled as +54 9 11 1234 ...

  9. 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 ( police ), 114 (fire), and 115 (first aid).

  10. 555 (telephone number) - Wikipedia

    en.wikipedia.org/wiki/555_(telephone_number)

    555 (telephone number) The telephone number prefix 555 is a central office code in the North American Numbering Plan, used as the leading part of a group of 10,000 telephone numbers, 555-XXXX, in each numbering plan area (NPA) (area code).

  11. Telephone keypad - Wikipedia

    en.wikipedia.org/wiki/Telephone_keypad

    In feature phones the letters on the keys are used for text entry tasks such as text messaging, entering names in the phone book, and browsing the web. To compensate for the smaller number of keys, phones used multi-tap and later predictive text processing to speed up the process.