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  2. Telephone numbers in China - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_China

    Mobile phone numbers consist of eleven digits. Landline calls within the same area do not require the area code. Calls to other areas require dialing the trunk prefix 0 and the area code. Calling a mobile phone from a landline requires the addition of the "0" in front of the mobile phone number if they are not in the same area. Mobile to ...

  3. Telephone number verification - Wikipedia

    en.wikipedia.org/wiki/Telephone_number_verification

    Telephone number verification (or validation) services are online services used to establish whether a given telephone number is in service. They may include a form of Turing test to further determine if a human answers or answering equipment such as a modem, fax, voice mMail or answering machine .

  4. Telephone numbers in Argentina - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Argentina

    In Argentina, area codes are two, three, or four digits long (after the initial zero).Local customer numbers are six to eight digits long. The total number of digits is ten, for example, phone number (11) 1234-5678 for Buenos Aires is made up of a 2-digit area code number and an 8-digit subscriber's number, while (383) 123-4567 would be an example of a Catamarca number.

  5. Fictitious telephone number - Wikipedia

    en.wikipedia.org/wiki/Fictitious_telephone_number

    In North America, the area served by the North American Numbering Plan (NANP) system of area codes, fictitious telephone numbers are usually of the form (XXX) 555-xxxx. The use of 555 numbers in fiction, however, led a desire to assign some of them in the real world, and some of them are no longer suitable for use in fiction.

  6. Telephone numbers in Taiwan - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Taiwan

    The emergency numbers in Taiwan are 110 (police) and 119 (fire and ambulance services). When making an inter-area long-distance call from within Taiwan, a long-distance prefix "0" is required. If calls are made from within the same area code, then the area code does not need to be included. Inter-area calls are defined as long-distance phone ...

  7. List of random number generators - Wikipedia

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

    However, generally they are considerably slower (typically by a factor 2–10) than fast, non-cryptographic random number generators. These include: Stream ciphers. Popular choices are Salsa20 or ChaCha (often with the number of rounds reduced to 8 for speed), ISAAC, HC-128 and RC4. Block ciphers in counter mode.

  8. Telephone numbers in India - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_India

    The same prefix of the number zero + the area code is required to dial any fixed-line number in India from a mobile phone, irrespective of the area code. For example, to dial a landline number in Indore, one would have to dial from a landline in Indore: the phone number; from a landline in Mumbai: 0731 and then the phone number

  9. Telephone numbers in Ivory Coast - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Ivory...

    Calling formats. To call in Ivory Coast, the following format is used: yy xx xx xx xx - calls within Ivory Coast. +225 27 xx xx xx xx calls from outside Ivory Coast to a landline. +225 01 xx xx xx xx / +225 05 xx xx xx xx / +225 07 xx xx xx xx / +225 25 xx xx xx xx calls from outside Ivory Coast to a mobile number.