It is the world's fourth-largest telecommunications company by revenue and the largest wireless carrier in the United States. As of 2024, AT&T was ranked 13th on the Fortune 500 rankings of the largest United States corporations, with revenues ofR$120.7 billion. AT&T Inc. U.S.

AT&T Coverage by State\n\n AT&T has a robust nationwide network that covers 74.6% of the contiguous U.S. land area. But how good is the coverage in each state? Here's a detailed look at how much of each state AT&T covers, as well as the excellent, great, and good coverage areas in each state. This data comes from the FCC.