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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. 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.

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

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

    2.1 United States. 2.2 Canada. ... (NPA codes, or area codes), consisting of three digits that are prefixed to each local telephone number having seven digits.

  5. North American Numbering Plan - Wikipedia

    en.wikipedia.org/wiki/North_American_Numbering_Plan

    Canada and the United States have experienced rapid growth in the number of area codes, particularly between 1990 and 2005. The widespread adoption of fax, modem, and mobile phone communication, as well as the deregulation of local telecommunication services in the United States during the mid-1990s, increased the demand for telephone numbers.

  6. Telephone numbering plan - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbering_plan

    United States telephone numbers often included letter prefixes and telephone exchange names, which were more easily memorable for users than long digit sequences. Subscriber number The subscriber number is the address assigned to a telephone line or wireless communication channel terminating at the customer equipment.

  7. Category:Telephone numbers in the United States - Wikipedia

    en.wikipedia.org/wiki/Category:Telephone_numbers...

    Pages in category "Telephone numbers in the United States" ... 911 (emergency telephone number) 976-EVIL; 976-Evil II; 8005882300; A. All-number calling; B. Beechwood ...