United States Cellular Corporation is an American mobile network operator. It is a subsidiary of Telephone and Data Systems Inc. The company was formed in 1983 and is headquartered in Chicago, Illinois. Wikipedia
Customer service: 1 (888) 944-9400
Customer service chat: Online Chat
Founder: Telephone and Data Systems
Founded: 1983
Headquarters: Chicago, IL
Parent: Telephone and Data Systems (84%)
Traded as: NYSE: USM; Russell 2000 component