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  3. 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.

  4. Directory assistance - Wikipedia

    en.wikipedia.org/wiki/Directory_assistance

    Toll-free directory assistance was provided by telecommunication providers, namely AT&T and Verizon, as mandated by the Federal Communications Commission. Companies requested to have their toll-free number listed, and paid the providers each time their phone number was released to a toll-free directory-assistance caller.

  5. Automatic number identification - Wikipedia

    en.wikipedia.org/wiki/Automatic_number...

    Automatic number identification (ANI) is a feature of a telecommunications network for automatically determining the origination telephone number on toll calls for billing purposes. Automatic number identification was originally created by the American Telephone and Telegraph Company (AT&T) for long distance service in the Bell System , [3] [4 ...

  6. How to Do a Free Reverse Phone Lookup & the 8 Best ... - AOL

    www.aol.com/finance/free-reverse-phone-lookup-8...

    By using a free reverse phone search service, you can enter the phone number that’s been calling you into a search engine and find out who owns that number.

  7. North American Numbering Plan - Wikipedia

    en.wikipedia.org/wiki/North_American_Numbering_Plan

    In 1947, AT&T completed the new design for a nationwide toll network that established the original North American area codes. The new numbering plan provided for 152 area codes, each with a capacity to serve as many as 540 central offices. [26]

  8. Area codes 416, 647, and 437 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_416,_647,_and_437

    Area code 416 was one of the 86 original North American area codes, assigned by the American Telephone and Telegraph Company (AT&T) for Operator Toll Dialing in 1947. It comprised most of the populous Golden Horseshoe region in southern Ontario, from Colborne to Niagara Falls to Kitchener-Waterloo.

  9. 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 .

  10. Wide Area Telephone Service - Wikipedia

    en.wikipedia.org/wiki/Wide_Area_Telephone_Service

    With "inward WATS", introduced for interstate calls by the American Telephone and Telegraph Company (AT&T) in 1967, subscribers were issued a toll-free telephone number in a designated toll-free area code. Unlike a standard collect call or a call to a Zenith number, 1‑800 normally may be dialed directly with no live operator. Callers within a ...

  11. AT&T apologizes for massive system failure but rules out ...

    www.aol.com/t-outage-latest-phone-network...

    AT&T has apologised for the widespread outages that affected tens of thousands of consumers, but said that the network failure was not due to a cyber attack. Read the full story here:

  12. Home Country Direct - Wikipedia

    en.wikipedia.org/wiki/Home_Country_Direct

    The Home Country Direct number is usually a domestic toll-free number, and is specific to the pairing of originating and receiving countries. The first such services were established in the early 1980s by AT&T as "USA Direct"; reciprocal services from the United States were later established, and other countries also established the services ...

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