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  2. Area codes 816 and 975 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_816_and_975

    By late 1996, the proliferation of cell phones and market reforms related to deregulation by the Telecommunications Act of 1996 required an additional area code for northern Missouri. On April 10, 1997, Southwestern Bell declared a Jeopardy Situation with the Missouri Public Service Commission (MPSC), which oversees telecommunications in the ...

  3. Area code 660 - Wikipedia

    en.wikipedia.org/wiki/Area_code_660

    Area codes of Missouri Area code 660 is the telephone area code in the North American Numbering Plan (NANP) for the northern and western part of the U.S. state of Missouri . It was created on October 12, 1997, in a split of the 816 numbering plan area (NPA)

  4. List of telephony terminology - Wikipedia

    en.wikipedia.org/wiki/List_of_telephony_terminology

    Acronym Name Notes 1ESS: Number 1 Electronic Switching System (Alcatel-Lucent) US 1FR: Flat rate service: US 2G: second-generation mobile telephone 2.5G: Enhanced 2G mobile telephone 3G: third-generation mobile telephone 4ESS Number 4 Electronic Switching System (Alcatel-Lucent) 4WTS: Four-wire termination set: US 5ESS

  5. Mobile network codes in ITU region 3xx (North America)

    en.wikipedia.org/wiki/Mobile_network_codes_in...

    This list contains the mobile country codes and mobile network codes for networks with country codes between 300 and 399, inclusively – a region that covers North America and the Caribbean. Guam and the Northern Mariana Islands are included in this region as parts of the United States.

  6. 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 117.9 million subscribers as of December 31, 2024 ...

  7. AT&T Wireless Services - Wikipedia

    en.wikipedia.org/wiki/AT&T_Wireless_Services

    AT&T Wireless Services, Inc., formerly part of AT&T Corporation, was a wireless telephone carrier founded in 1987 in the United States, based in Redmond, Washington, and later traded on the New York Stock Exchange under the stock symbol "AWE", as a separate entity from its former parent.

  8. List of mobile network operators in the United States

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

    Acquired by Verizon Wireless and AT&T Mobility. [39] AT&T Wireless Services: GSM: EDGE: 22: October 2004: Acquired by Cingular Wireless, which later rebranded to AT&T Mobility. [40] Big Sky Mobile: GSM: EDGE: Unknown: 2017: Sold spectrum licenses to AT&T and T-Mobile and exited the business. [41] Blaze Wireless: GSM, UMTS: EDGE, HSPA+, LTE ...

  9. Cellular One - Wikipedia

    en.wikipedia.org/wiki/Cellular_One

    Cellular One of Lake Charles, Louisiana (first acquired by Centennial Wireless which was purchased by AT&T in Nov. 2008) San Luis Obispo County, California (SLO Cellular) — Sold to AT&T, service ends January 17, 2011. Long Lines Wireless (Formerly Cellular One of Great Lakes of Iowa) - Acquired by AT&T July 2013

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