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Qwest Corporation
 Qwest logo | |
| CenturyLink QC | |
| Formerly | Mountain States Telephone and Telegraph Company (1911–1990) US West Communications, Inc. (1991–2000) |
| Company type | Subsidiary |
| Industry | Telecommunications |
| Predecessor | Colorado Telephone Rocky Mountain Bell |
| Founded | July 17, 1911[1] |
| Headquarters | 100 Centurylink Dr, Monroe, LA 71203, USA |
Area served | Arizona, Colorado, Idaho, Iowa, Minnesota, Montana, Nebraska, New Mexico, North Dakota, Oregon, South Dakota, Utah, Washington, Wyoming |
| Products | Local Telephone Service, FTTH, DSL, and VOIP |
| Parent | AT&T (1911–1983) US West (1984–2000) Qwest (2000–2011) Lumen (2011–present) |
| Subsidiaries | El Paso County Telephone |
| Website | http://www.qwest.com/ |
Qwest Corporation, doing business as CenturyLink QC, is a Regional Bell Operating Company owned by Lumen Technologies. It was originally named Mountain States Telephone and Telegraph Company, later becoming known as Mountain Bell, then US West Communications, Inc. from 1991 to 2000. It includes the former operations of Malheur Bell, Northwestern Bell and Pacific Northwest Bell as well.
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