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  2. Call blocking - Wikipedia

    en.wikipedia.org/wiki/Call_blocking

    Call blocking, also known as call block, call screening, or call rejection, allows a telephone subscriber to block incoming calls from specific telephone numbers. This feature may require an additional payment to the subscriber's telephone company or a third-party. Call blocking is desired by individuals who wish to block unwanted phone calls.

  3. *82 - Wikipedia

    en.wikipedia.org/wiki/*82

    If Caller ID is subscribed to or enabled on the line receiving the call, the unblocked phone number and registered name is displayed – unable to determine that the caller subscribes to outgoing callerID blocking or that *82 has been dialed to temporarily override that subscription. *82 can be dialed from U.S. land-line house phones and ...

  4. 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?

  5. Here are the best ways to block robocalls - AOL

    www.aol.com/news/2019-05-31-here-are-the-best...

    Only 18 percent said they would take a call from a toll-free number. More than half (59 percent) said they are more likely to answer a call from a local area code or an area code where family or ...

  6. North American Numbering Plan - Wikipedia

    en.wikipedia.org/wiki/North_American_Numbering_Plan

    *57 and 1157 — used to trace harassing, threatening, abusive, obscene, etc. phone calls, and keep results of trace at phone company *66 and 1166 — to keep retrying a busy-line (see also Called-party camp-on) *67 and 1167 — Caller ID Block *69 and 1169 — Call Return (caller may press '1' to return call after hearing number)

  7. Vertical service code - Wikipedia

    en.wikipedia.org/wiki/Vertical_service_code

    As CLASS was an AT&T trademark, the term vertical service code was adopted by the North American Numbering Plan Administration. The use of vertical is a somewhat dated reference to older switching methods and the fact that these services can only be accessed by a telephone subscriber, going up ( vertically ) inside the local central office ...

  8. FBI investigating AT&T breach exposing all cellphone ... - AOL

    www.aol.com/t-says-hackers-stole-records...

    "AT&T data previously compromised and released will help threat actors map a large percentage of the phone numbers in these customer records to the actual victims impacted," Williams said in an ...

  9. Anonymous call rejection - Wikipedia

    en.wikipedia.org/wiki/Anonymous_call_rejection

    In many voice telephone networks, anonymous call rejection (ACR) is a calling feature implemented in software on the network that automatically screens out calls from callers who have blocked their caller ID information. The caller usually hears a voice message explaining that their call cannot be connected unless they display their number.

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