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  2. 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 three major cellular carriers in the countryv—AT&T Mobility, T-Mobile US, and Verizon—and offer various levels of free and/or paid talk, text and data services to their customers.

  3. United States Cellular Corporation - Wikipedia

    en.wikipedia.org/wiki/United_States_Cellular...

    United States Cellular Corporation (doing business as UScellular and formerly known as U.S. Cellular) is an American mobile network operator.Its stock is publicly traded, but Telephone and Data Systems Inc. owns a controlling stake (83% economic and 96% voting power).

  4. AT&T Mexico - Wikipedia

    en.wikipedia.org/wiki/AT&T_Mexico

    AT&T launched several new plans on August 24, 2015 under the AT&T brand and began renaming Iusacell and Nextel stores in a process that was completed by the end of 2016. AT&T invested an additional $3 billion in Mexico through 2018 to expand its high-speed mobile broadband `coverage to 100 million people, The company currently holds the largest ...

  5. North American Numbering Plan - Wikipedia

    en.wikipedia.org/wiki/North_American_Numbering_Plan

    AT&T continued to administer the continental numbering plan and the technical infrastructure until the end of the Bell System, when administration was delegated to the North American Numbering Plan Administrator (NANPA), a service that has been procured from the private sector by the Federal Communications Commission (FCC

  6. STIR/SHAKEN - Wikipedia

    en.wikipedia.org/wiki/STIR/SHAKEN

    STIR/SHAKEN, or SHAKEN/STIR, is a suite of protocols and procedures intended to combat caller ID spoofing on public telephone networks.Caller ID spoofing is used by robocallers to mask their identity or to make it appear the call is from a legitimate source, often a nearby phone number with the same area code and exchange, or from well-known agencies like the Internal Revenue Service or ...

  7. Charter Communications - Wikipedia

    en.wikipedia.org/wiki/Charter_Communications

    With over 32 million customers in 41 states as of 2022, [5] [1] it is the largest cable operator in the United States by subscribers, [6] just ahead of Comcast, and the largest pay TV operator ahead of Comcast and AT&T. [7] Charter is the fifth-largest telephone provider based on number of residential lines.

  8. Troubleshoot a broadband internet connection - AOL Help

    help.aol.com/articles/troubleshooting-a...

    If you don't have broadband, you'll need to try other steps to fix problems with a dial-up internet connection. An active internet connection is required to be able to access all the best that AOL offers.

  9. History of the Internet - Wikipedia

    en.wikipedia.org/wiki/History_of_the_Internet

    J. C. R. Licklider, while working at BBN, proposed a computer network in his March 1960 paper Man-Computer Symbiosis: [18]. A network of such centers, connected to one another by wide-band communication lines [...] the functions of present-day libraries together with anticipated advances in information storage and retrieval and symbiotic functions suggested earlier in this paper

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