Starting as Southwestern Bell Corporation, following the breakup of the AT&T Corporation monopoly in 1983, the company later renamed itself SBC Communications Inc. In 2005, SBC purchased its former parent, AT&T Corp., taking on both its name and branding.
AT&T leading the fieldWithin the U.S. wireless segment, AT&T continues to lead the pack, sitting above Verizon and T-Mobile US in terms of revenue. AT&T had a subscriber base of approximately 81.5 million postpaid and 19 million prepaid customers in 2021. AT&T's monthly postpaid churn rate remains one of the lowest in the industry, sitting at just 0.94 percent. In terms of monthly average revenue per user (ARPU), AT&T generates around 50 U.S. dollars per postpaid user per month.
In 2021, the brand value of AT&T was estimated to be around 100.65 billion U.S. dollars, making it the most valuable telecommunications brand in the world.