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

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

    In the early 1980s, Bell Labs received a patent for what became AT&T's "Advanced 800 Service", a computer-controlled system where any toll-free number could point to any destination number, such as to a small business local number instead of a special InWATS line, and an itemized bill generated only for the calls the business actually received.

  3. AT&T - Wikipedia

    en.wikipedia.org/wiki/AT&T

    [109] [110] Atlanta, Georgia, continues to be the headquarters for AT&T Mobility, with significant offices in Redmond, Washington, the former home of AT&T Wireless. Bedminster, New Jersey, is the headquarters for the company's Global Business Services group and AT&T Labs and is where the original AT&T Corp. remains located. St.

  4. AT&T Mobility - Wikipedia

    en.wikipedia.org/wiki/AT&T_Mobility

    AT&T Mobility, LLC, also known as AT&T Wireless and marketed as simply AT&T, is an American telecommunications company. It is a wholly owned subsidiary of AT&T Inc. and provides wireless services in the United States. AT&T Mobility is the third largest wireless carrier in the United States, with 116 million subscribers as of September 30, 2024. [3]

  5. AT&T Communications - Wikipedia

    en.wikipedia.org/wiki/AT&T_Communications

    AT&T Phone (formerly AT&T U-verse Voice) is a voice communication service delivered over AT&T's IP network . This phone service is digital and provides a voicemail service accessed by *98 from the home number. Customers who subscribe to both AT&T Phone and U-verse TV get features such as call history on channel 9900, which displays the last 100 ...

  6. Toll-free telephone number - Wikipedia

    en.wikipedia.org/wiki/Toll-free_telephone_number

    Calls are free for all fixed line calls. Mobile carriers AIS and CAT (60+%o f Thailand's subscribers) offer 1-800 service for cell phones. DTAC and True mobile providers currently [when?] do not, but it is expected they will offer the 1-800 service for subscribers by late 2009. [needs update] In Turkey, the prefix for toll-free numbers is "0800".

  7. AT&T Wireless Services - Wikipedia

    en.wikipedia.org/wiki/AT&T_Wireless_Services

    Then, the new AT&T announced on March 5, 2006, [7] [8] that it would be acquiring BellSouth's telephone operations and its stake in Cingular Wireless. On December 29, 2006, the FCC gave its final approval to the AT&T and BellSouth merger. With both parent companies merged into one, Cingular Wireless officially became AT&T Mobility in 2007.

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