Array Digital Infrastructure 

Array Digital Infrastructure, Inc. (ADI) specializes in providing wireless telecommunications services across the United States. Its primary service offerings include voice communication, messaging capabilities, and data transmission. Beyond connectivity, ADI supplies a comprehensive range of wireless devices, such as mobile phones, tablets, portable hotspots, home phone systems, and internet routers. The company also furnishes essential wireless accessories like protective cases, screen guards, power chargers, and memory cards, alongside a selection of consumer electronics, including Bluetooth audio devices, Wi-Fi enabled cameras, and networking products. Additionally, ADI facilitates the distribution of wireless devices to authorized agents and external distributors for subsequent resale. Customers are also offered the flexibility to acquire devices and accessories via installment payment contracts. The company further extends its services to encompass wireless roaming, its capacity as an eligible telecommunications carrier, and the leasing of tower infrastructure. Serving a diverse customer base, Array Digital Infrastructure, Inc. caters to individual consumers, commercial enterprises, and governmental organizations. It delivers its products and services through a multi-faceted approach, utilizing direct retail sales, dedicated sales teams, telephone sales, e-commerce platforms, various resellers, independent agents, and strategic partnerships with national third-party retailers. Tracing its origins, the company was incorporated in 1983 and maintains its corporate headquarters in Chicago, Illinois. It operated under the name United States Cellular Corporation until August 2025, when it officially rebranded as Array Digital Infrastructure, Inc. As of November 7, 2024, Array Digital Infrastructure, Inc. functions as a subsidiary of Telephone and Data Systems, Inc.