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AT&T INC.
AT&T Inc. is a Delaware-incorporated telecommunications holding company headquartered in Dallas, Texas, and one of the largest communications providers in the United States. The company operates primarily in wireless and wireline services, offering mobile, broadband, and voice connectivity to millions of consumers and businesses nationwide. AT&T trades on the NYSE under the ticker T and maintains a broad national infrastructure footprint built through decades of organic growth and major acquisitions.