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  2. United States Cellular Corporation - Wikipedia

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

    The company was formed in 1983 and is headquartered in Chicago, Illinois. UScellular is the fifth-largest wireless carrier in the United States, with 4,656,000 subscribers in 426 markets in 21 states as of the 2nd quarter of 2023. [1] [2] In May 2024, T-Mobile US announced it would acquire UScellular's wireless business in a deal worth $4.4 ...

  3. List of mobile network operators in the United States

    en.wikipedia.org/wiki/List_of_mobile_network...

    AT&T, T-Mobile, Verizon, Boost Mobile, and UScellular also sell SIM cards through their retail channels, both in-store and online. The top five wireless providers operate nationwide wireless networks which cover most of the population in the United States, while smaller carriers provide native network coverage across selected regions of the ...

  4. List of mobile network operators - Wikipedia

    en.wikipedia.org/wiki/List_of_mobile_network...

    This is a list of the world's thirty largest terrestrial mobile phone network operators measured by number of subscriptions. Rank Country Company Main markets

  5. History of mobile phones - Wikipedia

    en.wikipedia.org/wiki/History_of_mobile_phones

    History of mobile phones. A man talks on his mobile phone while standing near a conventional telephone box, which stands empty. Enabling technology for mobile phones was first developed in the 1940s but it was not until the mid-1980s that they became widely available. By 2011, it was estimated in Britain that more calls were made using mobile ...

  6. List of telecommunications companies - Wikipedia

    en.wikipedia.org/wiki/List_of_telecommunications...

    Telecommunications company. ITU-T. Landline. List of mobile network operators. List of mobile network operators of the Americas. List of mobile network operators in Asia and Oceania. List of mobile network operators in Europe. List of mobile network operators in the Middle East and Africa. List of mobile network operators in Canada.

  7. PrimeCo - Wikipedia

    en.wikipedia.org/wiki/PrimeCo

    PrimeCo Personal Communications, L.P. (later known as Chicago 20 MHz, LLC[1]) was a joint venture of Bell Atlantic, Nynex, US West and AirTouch Communications, and was the first wireless telecommunications provider to turn up CDMA service on the PCS (1900-MHz) band in November 1996. [2] When the company was founded, it had its headquarters in ...

  8. Chicago metropolitan area - Wikipedia

    en.wikipedia.org/wiki/Chicago_metropolitan_area

    The Chicago metropolitan area, also referred to as the Greater Chicago Area and Chicagoland, is the largest metropolitan statistical area in the U.S. state of Illinois, and the Midwest, containing the City of Chicago along with its surrounding suburbs and satellite cities. Encompassing 10,286 square mi (28,120 km 2), the metropolitan area ...

  9. List of countries by smartphone penetration - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_smart...

    These numbers come from Newzoo's Global Mobile Market Report 2018. [5] By total number of smartphone users, "China by far has the most, boasting 783 million users. India took the #2 spot with 375 million users (less than half of China’s number). However, that gap will decrease by 2021, when we expect India to have 601 million smartphone users.