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  2. Area code 940 - Wikipedia

    en.wikipedia.org/wiki/Area_code_940

    Area code 940 is a telephone area code in the North American Numbering Plan (NANP) for the U.S. state of Texas in the Wichita Falls and Denton areas. It was created on July 7, 1997, in a split from area code 817 .

  3. 30 Scam Phone Numbers To Block and Area Codes To Avoid - AOL

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

    However, if you get a call from a phone number or area code you don’t know, it’s likely best to avoid picking up the call and research the following before you call back: Look at the area code ...

  4. Avoid Answering Calls from These Area Codes: Scam Phone ...

    www.aol.com/lifestyle/avoid-answering-calls-area...

    All it takes is a quick glance to know if the call is for real or not. The post Avoid Answering Calls from These Area Codes: Scam Phone Numbers Guide appeared first on Reader's Digest.

  5. List of North American Numbering Plan area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_North_American...

    mnemonic: 1867 was the year of Canada's confederation (formation; long-distance calls to the 867 area code must begin 1-867) 868: Trinidad and Tobago (all) June 1, 1997: split of 809; mnemonic: TNT; 869: Saint Kitts and Nevis (all) October 1, 1996: split of 809; 870: Arkansas (Texarkana, Jonesboro, Pine Bluff, and southern, eastern, and ...

  6. Routing in the PSTN - Wikipedia

    en.wikipedia.org/wiki/Routing_in_the_PSTN

    Each time a call is placed for routing, the destination number (also known as the called party) is entered by the calling party into their terminal. The destination number generally has two parts, an area code which generally identifies the geographical location of the destination telephone, and a telephone number unique within that area code that determines the specific destination terminal.

  7. Protect yourself from internet scams - AOL Help

    help.aol.com/articles/protect-yourself-from...

    If you get an email providing you a PIN number and an 800 or 888 number to call, this a scam to try and steal valuable personal info. These emails will often ask you to call AOL at the number provided, provide the PIN number and will ask for account details including your password.

  8. 988 mental health crisis calls may soon be routed based on ...

    www.aol.com/988-mental-health-crisis-calls...

    However, callers are currently routed to a call center based on area code rather than physical location. For instance, someone based in Los Angeles who has a cell phone number with a New York area ...

  9. Position resection and intersection - Wikipedia

    en.wikipedia.org/wiki/Position_resection_and...

    Position resection and intersection are methods for determining an unknown geographic position (position finding) by measuring angles with respect to known positions.In resection, the one point with unknown coordinates is occupied and sightings are taken to the known points; in intersection, the two points with known coordinates are occupied and sightings are taken to the unknown point.