United States Cellular Corporation (U.S. Cellular) is a provider of wireless telecommunication services. The Company operates all of its wireless operating markets are in the United States. U.S. Cellular provides service to postpaid and prepaid customers from a range of demographic segments. The Company focuses on retail consumers, government and small-to-mid-size business customers in vertical industries, such as construction, retail, professional services and real estate. The Company offers a range of wireless devices, such as handsets, modems, mobile hotspots, home phones and tablets for use by its customers. U.S. Cellular offers wireless devices that are compatible with fourth generation long term evolution (4G LTE) and third generation (3G) networks. U.S. Cellular offers a range of accessories, such as carrying cases, hands-free devices, batteries, battery chargers, and memory cards to related consumer electronics, such as headphones, speakers and Bluetooth keyboards.