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  2. Southwestern Bell - Wikipedia

    en.wikipedia.org/wiki/Southwestern_Bell

    Shortly afterwards, on January 15, 2006, AT&T companies were given new d.b.a names. As a result, officially, Southwestern Bell began conducting business under the following names: AT&T Arkansas, AT&T Kansas, AT&T Missouri, AT&T Oklahoma, and AT&T Texas. The regional d.b.a. name is now AT&T Southwest. The legal name remains Southwestern Bell ...

  3. List of United States telephone companies - Wikipedia

    en.wikipedia.org/wiki/List_of_United_States...

    It was not included in the Bell System breakup of 1984 because the original AT&T held only a minority stake in that company. Verizon, in addition to its role as a RBOC in its areas retained in the East, serves former GTE areas in Pennsylvania and Virginia. Verizon formerly served ex-GTE areas in parts of California, Florida and Texas before ...

  4. AT&T - Wikipedia

    en.wikipedia.org/wiki/AT&T

    AT&T was founded as Bell Telephone Company by Alexander Graham Bell, Thomas Watson and Gardiner Greene Hubbard after Bell's patenting of the telephone in 1875. [22] By 1881, Bell Telephone Company had become the American Bell Telephone Company. [23]

  5. List of mobile virtual network operators in the United States

    en.wikipedia.org/wiki/List_of_mobile_virtual...

    Mobile virtual network operators (MVNOs) in the United States lease wireless telephone and data service from the four major cellular carriers in the country—AT&T Mobility, Boost Mobile, T-Mobile US, and Verizon—and offer various levels of free and/or paid talk, text and data services to their customers.

  6. 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 ...

  7. AT&T Corporation - Wikipedia

    en.wikipedia.org/wiki/AT&T_Corporation

    AT&T Basking Ridge "Pagoda" campus renditions for office complex, 1972 AT&T 550 Madison Ave building no longer corporate headquarters after 1992 (pictured 2021) In 1978, AT&T commissioned a new building at 550 Madison Avenue. This new AT&T Building was designed by Philip Johnson and quickly became an icon of the new Postmodern architectural ...

  8. Charter Communications - Wikipedia

    en.wikipedia.org/wiki/Charter_Communications

    In December 1999, it signed a letter of intent with AT&T Corporation to swap 1.3 million cable subscribers in St. Louis as well as in Alabama, Georgia, and Missouri. In 2000, Charter Communications bought select AT&T cable markets, including Reno, Nevada, and the City of St. Louis. [20]

  9. SBC Telecom - Wikipedia

    en.wikipedia.org/wiki/SBC_Telecom

    SBC Telecom, Inc. d/b/a AT&T Small Business is a CLEC owned by AT&T that offers local telephone service outside the AT&T Bell Operating Company regions. [1] [better source needed] It was formed in 1999 following provisions that required SBC Communications to offer telephone service outside its boundaries in order to get approval to merge with Ameritech.