United States Cellular 

Array Digital Infrastructure, Inc. provides wireless telecommunications services in the United States. The company offers wireless services, including voice, messaging, and data services. It also provides wireless devices, such as handsets, tablets, mobile hotspots, home phones, and routers, as well as wireless essentials, including cases, screen protectors, chargers, and memory cards; and consumer electronics comprising Bluetooth audio, wi-fi enabled cameras, and networking products. In addition, it sells wireless devices to agents and other third-party distributors for resale; and offers option for customers to purchase devices and accessories under installment contracts. Further, the company offers wireless roaming, wireless eligible telecommunications carrier, and tower rental services. It serves consumer, business, and government customers. The company provides its products and services through retail sales, direct sales, telesales, ecommerce, resellers, and independent agents, as well as third-party national retailers. The company was formerly known as United States Cellular Corporation and changed its name to Array Digital Infrastructure, Inc. in August 2025. Array Digital Infrastructure, Inc. was incorporated in 1983 and is headquartered in Chicago, Illinois. As of Novemeber 7, 2024, Array Digital Infrastructure, Inc. operates as a subsidiary of Telephone and Data Systems, Inc.