A Regional Bell Operating Company was a corporate entity created as result of the antitrust lawsuit by the United States Department of Justice against the Western Electric Company and American Telepho
A Verizon payphone with the Bell logo
AT&T
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AT&T Inc., an abbreviation of its predecessor's original name, the American Telephone and Telegraph Company, is an American multinational telecommunications company headquartered at the Whitacre Tower
Regional Bell Operating Company
…independent Regional Bell Operating Companies, which became known as the Baby Bells. Three companies still exist that have an RBOC as a predecessor: AT&T, Verizon, and Lumen Technologies (formerly CenturyTel and CenturyLink). Some other companies hold smaller segments of the companies. A "Baby Bell" is…
Whitacre Tower, AT&T's corporate headquarters in Dallas
An AT&T retail store in Asheville, North Carolina
An AT&T office in San Antonio, Texas
Diagram of how alleged wiretapping worked, from EFF court filings