|Type||Private (Subsidiary of AT&T)|
|Successors||Ameritech, then SBC (now AT&T), CenturyLink|
|Headquarters||Milwaukee, WI, USA|
|Key people||Scott VanderSanden, President|
|Products||POTS, DSL, U-Verse (FTTN)|
|Parent||American Bell (1882-1899)
Wisconsin Bell, Inc. (known as Wisconsin Telephone Co. before 1984) is the name of the Bell Operating Company serving Wisconsin. It is owned by AT&T through AT&T Teleholdings, originally known as Ameritech.
In 1985, Wisconsin Bell began to purchase digital switching equipment from Siemens for its 1.6 million customers. In 1989, the change had been completed, and it became the first Ameritech company to use solely electronic switching equipment.
The Wisconsin Bell name continued to be used until September 1993 when Ameritech dropped all of their individual Bell Operating Company names in favor of using their corporate name for marketing purposes. Wisconsin Bell started doing business as Ameritech Wisconsin.
In 1998, Ameritech sold 19 Wisconsin Bell exchanges, primarily located in central and northern Wisconsin, to CenturyTel, now CenturyLink. Those exchanges were transferred to CenturyLink's subsidiary CenturyTel of the Midwest-Kendall.
In 2001, Wisconsin Bell began doing business as SBC Ameritech Wisconsin. In 2002, it began doing business as SBC Wisconsin. In 2005, it adopted the trade name AT&T Wisconsin and continues to do business as such to this day. Its corporate name has remained the same.
- Wisconsin Bell, Inc., Funding Universe company history
- Application Requirements for Requesting Certification to Provide Competitive Local Exchange Services, Public Service Commission of Wisconsin
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