"Purchased"@en . "1999Z"^^ . . . "AT&T Broadband LLC"@en . . . "AT&T Broadband is the name of AT&T's cable operations, which were composed of the assets of TCI and MediaOne, Prime Cable, as well as two Comcast cable systems (Sacramento, California and northern DeKalb County, Georgia) AT&T acquired later in a system swap. Formed in 1999, AT&T Broadband was the largest provider of cable television services. Media and online services for AT&T Broadband customers were originally provided by either RoadRunner or Excite@Home."@en . . .