US regulators said Tuesday they were set to back the $49 billion merger of AT&T and DirecTV, clearing the way for a powerful player in Internet and television.
AT&T Inc. plans to invest about $3 billion to build up its recently acquired Iusacell mobile phone network in Mexico.
The US telecommunications regulator said Wednesday it plans to fine AT&T $100 million after the company sharply slowed down data speeds to customers of its unlimited mobile data plans.
It's not just texting: American motorists admit to surfing the Web, posting tweets and even taking selfies while behind the wheel, a new survey shows.
The company whose name has long been synonymous with telephones is looking for new ways to reach out and touch someone.
AT&T is paying $25 million in a settlement with federal regulators over data breaches at call centers in Mexico, Colombia and the Philippines that compromised customer data for some 280,000 U.S. customer accounts.
AT&T booked a nearly $4 billion loss for the fourth quarter because of a slew of one-time expenses that included a loss on benefit plans, but its revenue grew 4 percent to top expectations.
AT&T says it will record $10 billion in charges in its fourth quarter.
AT&T Mobility, the second-largest U.S. cellular provider, said Friday it is no longer attaching hidden Internet tracking codes to data transmitted from its users' smartphones. The practice made it nearly impossible to shield ...
AT&T is being sued by the government over allegations it misled millions of smartphone customers about its unlimited data plans.