About U.S. Cellular Chicago-based U.S. Cellular, the  eighth-largest wireless service  provider in the United States, operates and invests in wireless systems across the country. At year-end 2003, the  company employed 6,225 associates, who served 4.4 million customers in 147 markets in 26 states. U.S. Cellular operates on a customer satisfaction strategy, meeting customer needs by providing a comprehensive range of wireless products and services, superior customer support and a high-quality network. The company’s common shares  are traded on the American Stock Exchange under the symbol USM. U.S. Cellular is a business unit of Telephone and Data Systems, Inc., which owns 82.1 percent of the  company and is traded on the American Stock Exchange under  the symbol TDS. 2003 was a milestone year for  U.S. Cellular and the wireless industry. Twenty years earlier, in 1983, the  first cellular network and first  commercial portable phone debuted, as did U.S. Cellular. All of these events happened in the company’s hometown of Chicago, which U.S. Cellular began serving in 2002. We proudly  deliver the  best in customer satisfaction.