Pacific Northwest Bell Telephone Company was formed on July 1, 1961 when it was spun off from the Pacific Telephone and Telegraph Company. On January 1, 1984, Pacific Northwest Bell was split from AT&T as ordered in the settlement of United States v. AT&T and became a subsidiary of the newly formed Regional Bell Operating Company U S WEST, Inc. Pacific Northwest Bell became defunct when U S WEST consolidated its three main subsidiaries, forming U S WEST Communications, Inc. on January 1, 1991. Qwest Communications merged with Louisiana-based CenturyLink in 2011, and the Qwest brand was replaced by the CenturyLink brand.
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