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

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

    In the United States, both interexchange carriers (IXCs) such as Sprint, AT&T Inc., and Verizon, and Local Exchange Carriers (LECs) such as Verizon and AT&T offer toll-free services. [ 2 ] [ 3 ] The way that a toll-free number is handled depends on whether it is a domestic or an interexchange call.

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

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

    not in use; available for toll-free assignment: 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. [21] 888: toll-free telephone service: March 1, 1996 ...

  4. Toll-free telephone number - Wikipedia

    en.wikipedia.org/wiki/Toll-free_telephone_number

    In Greece, the toll-free prefix is "800" followed by a seven-digit number or "807" followed by a four-digit number, used for phone card services only. In Hong Kong, toll-free numbers have the "800" prefix. [18] In Hungary, toll-free numbers have the "80" prefix. In Iceland, the toll-free prefix is "800", followed by a four-digit number.

  5. North American Numbering Plan - Wikipedia

    en.wikipedia.org/wiki/North_American_Numbering_Plan

    Some scams lured customers from the United States and Canada into placing expensive calls to the Caribbean, by representing area code 809 as a regular domestic, low-cost, or toll-free call. The split of 809 (which formerly served all of the Caribbean NANP points) into multiple new area codes created many new, unfamiliar prefixes which could be ...

  6. Telephone numbers in the Americas - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_the...

    The prefixes in the Americas start with one of 1,2,5. All countries in the Americas use codes that start with "5", with the exception of the countries of the North American Numbering Plan, such as Canada and the United States, which use country code 1, and Greenland and Aruba with country codes starting with the digit "2", which mostly is used by countries in Africa.

  7. Long-distance calling - Wikipedia

    en.wikipedia.org/wiki/Long-distance_calling

    By the 1980s, computerisation of the system allowed British Telecom "Linkline" 0800 freephone numbers and AT&T +1-800- toll-free numbers to be controlled by a database and terminated virtually anywhere with each inbound call itemised and billed individually. This smart network was further refined to provide toll-free number portability in the ...

  8. Toll-free telephone numbers in the United States - Wikipedia

    en.wikipedia.org/?title=Toll-free_telephone...

    Pages for logged out editors learn more. Contributions; Talk; Toll-free telephone numbers in the United States

  9. Area codes 410, 443, and 667 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_410,_443,_and_667

    The consequence was that the full capacity of central office prefixes could not be used for each involved area code. The office code protection ended in 1990, but it soon became apparent that this would not free up enough prefixes to meet demand. By the fall of 1990, it was apparent that Maryland needed another area code.