Telephone and Data Systems, Inc., a telecommunications company, provides communications services to consumer, business, and government in the United States. It operates through three segments: UScellular Wireless, UScellular Towers, and TDS Telecom. The company offers wireless solutions, including a suite of connected Internet of things (IoT) solutions, and software applications for monitor and control, business automation/operations, communication, fleet/asset/video management solutions, security solutions, private cellular networks, and custom and bespoke end-to-end IoT solutions, as well as professional and managed services, such as staff augmentation, IPX services, and SIM management; and critical connectivity solutions comprising wireless priority services and quality priority and preemption options. It also provides devices, such as smartphones and other handsets, tablets, wearables, mobile hotspots, fixed wireless home internet, and IoT devices; accessories, including wireless essentials which include cases, screen protectors, cables, chargers, memory cards, as well as consumer electronics, comprising bluetooth audio, wi-fi enabled cameras, and networking products. In addition, the company offers replace and repair services; Trade-In program through which it buys customers' used equipment; internet connections and all-home Wi-Fi services; TDS TV+, an integrated cloud television platform; local and long-distance telephone service, voice over internet protocol, and enhanced services; broadband, IP-based services, and hosted voice and video collaboration services; and communication services in underserved areas. The company sells and distributes its products through third-party direct sales, retail stores, sales agents, and an online platform to sell services and products. Telephone and Data Systems, Inc. was incorporated in 1968 and is based in Chicago, Illinois.

30 North LaSalle Street, Chicago, IL, United States, 60602