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  2. Telephone number verification - Wikipedia

    en.wikipedia.org/wiki/Telephone_number_verification

    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 .

  3. Wikipedia:Contact us - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Contact_us

    Although Wikipedia was founded by Jimmy Wales, he is not personally responsible for our content. If you have questions about the concept of Wikipedia rather than a specific problem, the About Wikipedia page may help. If you want to ask other users for help with editing or using Wikipedia, stop by the Teahouse, Wikipedia's live help channel, or ...

  4. Help:Two-factor authentication - Wikipedia

    en.wikipedia.org/wiki/Help:Two-factor_authentication

    Type "Wikipedia" and your account name (e.g. "Wikipedia – Example") into the "Name" field. Copy the "Two-factor authentication secret key" from "Step 2" of the setup page and paste it into the "Secret Code" field. Leave the next option set to "Time-based". Click "Verify authenticator" and then click "OK". Optionally set a password for WinAuth.

  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. Personal identification number - Wikipedia

    en.wikipedia.org/wiki/Personal_identification_number

    Personal identification number. A personal identification number ( PIN ), or sometimes redundantly a PIN number or PIN code, is a numeric (sometimes alpha-numeric) passcode used in the process of authenticating a user accessing a system. The PIN has been the key to facilitating the private data exchange between different data-processing centers ...

  7. 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.

  8. Telephone numbers in Egypt - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Egypt

    Telephone numbers in Egypt. 20 is the international dialing country code for Egypt . The telephone numbers are designated under the 2003 Telecom Act created by the Egyptian Ministry of Communications and Information Technology. [1]

  9. Multi-factor authentication - Wikipedia

    en.wikipedia.org/wiki/Multi-factor_authentication

    Account recovery typically bypasses mobile-phone two-factor authentication. [failed verification] Modern smartphones are used both for receiving email and SMS. So if the phone is lost or stolen and is not protected by a password or biometric, all accounts for which the email is the key can be hacked as the phone can receive the second factor.