United States Cellular Corporation (U.S. Cellular), a subsidiary of Telephone and Data Systems, Inc is a wireless telecommunication service provider that provides wireless devices and services. The company products include wireless devices such as handsets, mobile hotspots, modems, home phone and tablets, which are compatible with its 4G LTE, 3G and 2G networks. U.S. Cellular also provides accessories including hands-free devices, batteries, carrying cases, batteries, chargers, and memory cards, among others. It offers wireless services such as smartphone messaging, data and internet services, postpaid and prepaid service plans, which include voice, messaging and data options. The company caters its products and services to both retail consumers and business customers in various industries including retail, professional services, construction and real estate. U.S. Cellular is headquartered in Chicago, Illinois, the US.