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  2. Toll-free telephone numbers in the North American Numbering ...

    en.wikipedia.org/wiki/Toll-free_telephone...

    Toll-free telephone numbers in the North American Numbering Plan have the area code prefix 800, 833, 844, 855, 866, 877, and 888. Additionally, area codes 822, 880 through 887, and 889 are reserved for toll-free use in the future. 811 is excluded because it is a special dialing code in the group NXX for various other purposes.

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

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

    Codes 880 through 882 were used (until 1 April 2004) to allow international customers to access toll-free numbers they otherwise could not by paying the international portion of the toll. 880 was paired with 800, 881 with 888, and 882 with 877. [26] 888: toll-free telephone service: March 1, 1996: created; 889: not in use; available for toll ...

  4. North American Numbering Plan - Wikipedia

    en.wikipedia.org/wiki/North_American_Numbering_Plan

    1. International access. 011. List of dialing codes. The North American Numbering Plan ( NANP) is a telephone numbering plan for twenty-five regions in twenty countries, primarily in North America and the Caribbean. This group is historically known as World Zone 1 and has the telephone country code 1. Some North American countries, most notably ...

  5. Toll-free telephone number - Wikipedia

    en.wikipedia.org/wiki/Toll-free_telephone_number

    A toll-free telephone number or freephone number is a telephone number that is billed for all arriving calls. For the calling party, a call to a toll-free number from a landline is free of charge. A toll-free number is identified by a dialing prefix similar to an area code. The specific service access varies by country.

  6. Telephone exchange names - Wikipedia

    en.wikipedia.org/wiki/Telephone_exchange_names

    Telephone numbers listed in 1920 in New York City having three-letter exchange prefixes. In the United States, the most-populous cities, such as New York City, Philadelphia, Boston, and Chicago, initially implemented dial service with telephone numbers consisting of three letters and four digits (3L-4N) according to a system developed by W. G. Blauvelt of AT&T in 1917. [1]

  7. 30 Scam Phone Numbers To Block and Area Codes To Avoid - AOL

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

    Here's a list of scammer phone numbers and area codes to avoid answering if you don't know exactly who's calling. ... 877 numbers are toll-free numbers often used by businesses and organizations ...

  8. What to do when the robocalls won't stop - Engadget

    www.engadget.com/2019-08-14-robocalls-how-to...

    Despite all of this, illegal robocalls still slip through. The FCC and FTC have published guidelines on how to deal with them, and here they are in a nutshell: Hang up immediately. If you engage ...

  9. Area code 808 - Wikipedia

    en.wikipedia.org/wiki/Area_code_808

    Area code 808. Area code 808 is a telephone area code in the North American Numbering Plan (NANP) for the Hawaiian Islands, comprising the windward and the leeward islands. The area code also serves Wake Island in the western Pacific Ocean. The code was assigned on August 8, 1957, [citation needed] about two years before the statehood of Hawaii .