AT&T

About AT&T

AT&T Mobility, operating in the United States (North America & Caribbean), is a major mobile network provider identified by Mobile Country Code (MCC) 310 and Mobile Network Code (MNC) 30. As one of the largest telecommunications companies in the world and a successor to Southwestern Bell, AT&T has a long history in American communications, evolving from traditional landlines to offering cutting-edge 5G cellular services. Serving millions of subscribers across the country, AT&T competes directly with Verizon and T-Mobile, providing a wide range of services including voice, data, and mobile internet access. AT&T's infrastructure investment in both urban and rural areas is crucial for connectivity across the diverse landscape of the USA. AT&T’s network footprint is significant across the United States, providing services from densely populated urban areas to more sparsely populated rural communities. Its combination of spectrum holdings and infrastructure investments are crucial to its operations. It’s continually rolling out enhanced technologies and services to improve user experience, often focusing on download and upload speeds. The 310-30 MNC specifically identifies AT&T’s network within the intricate web of mobile networks operating within the USA. Understanding these codes is paramount for network engineers, software developers, and even mobile users interested in the technical aspects of their connectivity.

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