AT&T

MVNOs sell their own SIMs and plans but run on AT&T's network rather than owning one.

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About AT&T

AT&T Mobility, operating in the United States of America (North America & Caribbean), is a major mobile network provider identified by the Mobile Country Code (MCC) 310 and Mobile Network Code (MNC) 80. As one of the largest carriers in the US, it rivals Verizon and T-Mobile in terms of subscriber base and network coverage. AT&T offers a comprehensive range of services including 5G, 4G LTE, and traditional mobile voice and data, catering to both individual consumers and businesses across the country. They operate in all 50 of the United States of America, and can sometimes have roaming agreements with smaller regional providers. AT&T has a long history tracing back to the original Bell Telephone Company. Over the years, it has evolved and adapted to the changing telecommunications landscape. In comparison to other major networks like Verizon (MCC 311) and T-Mobile (MCC 310), AT&T competes aggressively on pricing, coverage, and technology. They have been implementing C-band technology which is an emerging 5G technology that helps improve bandwidth and download speeds. Their network infrastructure spans across major metropolitan areas and extends to rural regions, striving to provide reliable connectivity for their millions of subscribers.

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