United States Cellular Corporation operates as a wireless telecommunications service provider in the United States. The company offers wireless voice and data services to retail consumer and business customers. The company has a P/E ratio of 19, above the S&P 500 P/E ratio of 17.7. United States Cellular has a market cap of $1.77 billion and is part of the technology sector and telecommunications industry. Shares are down 21.7% year to date as of the close of trading on Friday.