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 (within the North America & Caribbean region), is a major mobile network provider. Identified by its Mobile Country Code (MCC) of 311 and Mobile Network Code (MNC) of 90, AT&T offers a wide range of cellular services, including voice, data, and messaging, using technologies like LTE and 5G. This MCC and MNC combination uniquely identifies AT&T within the global mobile network landscape and are crucial for devices connecting to their network. As one of the largest carriers in the US, AT&T competes directly with Verizon Wireless and T-Mobile, continually expanding its network coverage and enhancing its service offerings. From bustling urban centers to more rural areas, AT&T strives to provide consistent connectivity. Known for its historical roots in landline telephone services, AT&T has successfully transitioned into a leading mobile provider, adapting to the evolving needs of consumers in the digital age. Their network plays a vital role in connecting individuals and businesses across the USA, a country known for it's high mobile phone adoption rate.

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