What is the telephone number for customer service? 1-800-566-0065, Customers can also use this number to reach to the customer service representatives of the company. 1-800-238-0271 is the fax number of the company, which can be used to send the orders.What does qwest corporation do? Company Overview. Qwest Corporation, an integrated communications company, provides communications services to business and residential customers in Arizona, Colorado, Idaho, Iowa, Minnesota, Montana, Nebraska, New Mexico, North Dakota, Oregon, South Dakota, Utah, Washington, and Wyoming.What is customer service complaint? A consumer complaint or customer complaint is "an expression of dissatisfaction on a consumer's behalf to a responsible party" (Landon, 1980). It can also be described in a positive sense as a report from a consumer providing documentation about a problem with a product or service.