Cingular Wireless

Cingular Wireless was a popular telecommunications company now known as AT&T Mobility due to a series of mergers. Prior to the mergers, it was the largest mobile phone company in the United States.

2004–2007


Cingular merged with AT&T Wireless Services in February 2004, but the name was retained. In January 2007, the new company dropped the name Cingular.