was replaced by the CenturyLink brand. In 2020, CenturyLink changed its name to Lumen Technologies. In 2026, AT&T completed the purchase of Lumen Technologies' mass-market broadband connectivity business, leaving Lumen Technologies to concentrate on serving only medium to large enterprises.

Accomplishments

US West became a pioneer in the introduction and rapid system-wide implementation of telephone technologies designed by Bellcore

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