Watch Telephone And Data Systems Video

Telephone and Data Systems, Inc. is a Chicago-based telecommunications service company providing wireless, local- and long-distance telephone, broadband and video services to approximately 7 million customers in 36 states through its business units TDS Telecom and U.S. Cellular. The company began as a rural phone company in Wisconsin in 1969. In 1983 it founded U.S. Cellular as a subsidiary.