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  2. 30 Scam Phone Numbers To Block and Area Codes To Avoid - AOL

    www.aol.com/19-dangerous-scam-phone-numbers...

    What phone number can I call to report a spam call? You can call 888-382-1222 or visit DoNotCall.gov to report spam calls, telemarketers or robo-callers. Are 877 numbers spam?

  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. N11 code - Wikipedia

    en.wikipedia.org/wiki/N11_code

    An N11 code (pronounced Enn-one-one) is a three-digit dialing code used in abbreviated dialing in the North American Numbering Plan (NANP). The mnemonic N stands for the digits 2 through 9 and thus the syntax stands for the codes 211, 311, 411, 511, 611, 711, 811, and 911.

  5. Caller ID spoofing - Wikipedia

    en.wikipedia.org/wiki/Caller_ID_spoofing

    Caller ID spoofing is a spoofing attack which causes the telephone network's Caller ID to indicate to the receiver of a call that the originator of the call is a station other than the true originating station. This can lead to a display showing a phone number different from that of the telephone from which the call was placed.

  6. National conventions for writing telephone numbers - Wikipedia

    en.wikipedia.org/wiki/National_conventions_for...

    Mobile numbers start with 06 or 07, followed by the subscriber number ("06 XX XX XX XX" or "07 XX XX XX XX"). The country code for Morocco is 212, so the format becomes "+212 Y XX XX XX XX" or "+212 YXX XX XX XX", also "+212 YXX-XXXXXX" as well, where Y is 5 for landlines or 6/7 for mobile.

  7. History of telephone numbers in the United Kingdom - Wikipedia

    en.wikipedia.org/wiki/History_of_telephone...

    As of 2020, 52 exchanges still have five-digit subscriber numbers of which a dozen places also have unusually long STD codes. One area with a long STD code retains four-digit local numbering (see Telephone Numbers in the United Kingdom for examples).

  8. Phreaking - Wikipedia

    en.wikipedia.org/wiki/Phreaking

    Voice mailboxes also provide a safe phone number for phreaks to give out to one another as home phone numbers and personal cellular numbers would allow the phreak's identity (and home address) to be discovered. This is especially important given that phone phreaks are breaking the law.

  9. Find and remove unusual activity on your AOL account

    help.aol.com/articles/find-and-remove-unusual...

    Find and remove unusual activity on your AOL account. Monitoring your recent login activity can help you find out if your account has been accessed by unauthorized users. Review your recent activity and revoke access to suspicious entries using the info below.

  10. Communication during the September 11 attacks - Wikipedia

    en.wikipedia.org/wiki/Communication_during_the...

    There were reportedly three phone calls from Flight 11, five from Flight 175, and three calls from Flight 77. Two calls from these flights were recorded, placed by flight attendants: Betty Ong on Flight 11 and CeeCee Lyles on Flight 93.

  11. Telephone number - Wikipedia

    en.wikipedia.org/wiki/Telephone_number

    A telephone number serves as an address for switching telephone calls using a system of destination code routing. Telephone numbers are entered or dialed by a calling party on the originating telephone set, which transmits the sequence of digits in the process of signaling to a telephone exchange.