{ "schemaVersion": 1, "organisationId": "O-89f7255f2c3747bcbe80a6b7bc3b77b9", "slug": "telephone-data-systems-inc-de", "name": "TELEPHONE & DATA SYSTEMS INC /DE/", "updatedAt": "2026-10-02T14:07:45.835599Z", "sections": [ { "type": "OVERVIEW", "text": "Telephone & Data Systems, Inc. (TDS) is a U.S. telecommunications company whose core operations provide broadband, video, voice, and wireless services, primarily through TDS Telecom. It also operates Array Digital Infrastructure, which leases communications tower space and provides related services. [P154546343][P111833201] TDS Telecom serves communities across 30 states, focusing on small-to-mid-sized urban, suburban, and rural markets. [P112798468][P66690904]\n\nTDS’s stated mission centers on providing outstanding communications services and serving the needs of its shareholders, employees, and communities. [https://www.tdsinc.com/home/default.aspx] Founded in 1969 with 10 rural telephone operations in Wisconsin, the company reported FY2025 operating revenue of $1.228 billion and approximately 4,000 full- and part-time associates at year-end. [https://www.tdsinc.com/about/tds-history/default.aspx][T9259299][https://www.sec.gov/Archives/edgar/data/1051512/000105151226000011/tds-20251231.htm]\n[P154546343][P111833201][P112798468][P66690904][https://www.tdsinc.com/home/default.aspx][https://www.tdsinc.com/about/tds-history/default.aspx][T9259299][https://www.sec.gov/Archives/edgar/data/1051512/000105151226000011/tds-20251231.htm][https://www.tdsinc.com/home/default.aspx][https://www.tdsinc.com/about/tds-history/default.aspx][https://www.sec.gov/Archives/edgar/data/1051512/000105151226000011/tds-20251231.htm]", "updatedAt": "2026-10-02T14:07:45.835599Z" }, { "type": "PRODUCTS", "text": "TDS Telecom offers residential and business broadband, video and voice services over fiber, copper and cable networks. Residential fiber service provides symmetrical speeds of up to 8 Gig in select areas; residential plans can also be bundled with TV or phone service. Business dedicated fiber connections are available at speeds up to 10 Gig with a service-level agreement. [P30844838][https://tdstelecom.com/shop/internet-services/fiber.html][https://tdstelecom.com/shop/internet-services.html][https://www.tdsinc.com/news/news-details/2025/TDS-Telecom-Surpasses-1-Million-Fiber-Addresses/default.aspx] Array, another TDS business, leases tower space and provides ancillary services. [P154546343]\n\nTDS’s former wireless business offered voice, messaging and data services, along with devices such as handsets, tablets, mobile hotspots and routers, accessories, roaming and activation services. TDS sold its wireless operations and select spectrum assets to T-Mobile on August 1, 2025, so these are historical rather than current offerings. [T1807133][P79553208] In FY2025, TDS Telecom generated $1,038.358 million of continuing-operating revenue, approximately 84.5% of the $1,228.207 million total; this is a segment share, not a breakdown by product. [P30844838][P154546343][T8658810]\n[P30844838][https://tdstelecom.com/shop/internet-services/fiber.html][https://tdstelecom.com/shop/internet-services.html][https://www.tdsinc.com/news/news-details/2025/TDS-Telecom-Surpasses-1-Million-Fiber-Addresses/default.aspx][P154546343][T1807133][P79553208][T8658810][T8658810][https://tdstelecom.com/shop/internet-services/fiber.html][https://tdstelecom.com/shop/internet-services.html][https://www.tdsinc.com/news/news-details/2025/TDS-Telecom-Surpasses-1-Million-Fiber-Addresses/default.aspx]", "updatedAt": "2026-10-02T14:07:45.835599Z" }, { "type": "GEOGRAPHY", "text": "Telephone & Data Systems operates entirely in the United States; its filings do not disclose revenue by country, state, or region. [P154546343] At year-end 2025, TDS Telecom served 1.1 million connections, while Array owned 4,450 towers across 19 states. [P87965359] TDS Telecom has also described its operations as spanning 31 states, with fiber expansion in nearly 100 communities, particularly in the Pacific Northwest and Wisconsin. [https://investors.tdsinc.com/news/news-details/2025/TDS-Telecom-Surpasses-1-Million-Fiber-Addresses/default.aspx]\n\nTDS’s corporate headquarters is at 30 North LaSalle Street, Suite 4000, Chicago, Illinois; TDS Telecom identifies Madison, Wisconsin, as its headquarters. [https://www.tdsinc.com/investor-relations/resources/investor-contacts/default.aspx][https://tdstelecom.com/careers/leading-edge-tech-company.html] The sources reviewed do not provide a geographic breakdown of employees.\n[P154546343][P87965359][https://investors.tdsinc.com/news/news-details/2025/TDS-Telecom-Surpasses-1-Million-Fiber-Addresses/default.aspx][https://www.tdsinc.com/investor-relations/resources/investor-contacts/default.aspx][https://tdstelecom.com/careers/leading-edge-tech-company.html][https://investors.tdsinc.com/news/news-details/2025/TDS-Telecom-Surpasses-1-Million-Fiber-Addresses/default.aspx][https://www.tdsinc.com/investor-relations/resources/investor-contacts/default.aspx][https://tdstelecom.com/careers/leading-edge-tech-company.html]", "updatedAt": "2026-10-02T14:07:45.835599Z" }, { "type": "SEGMENTS", "text": "TDS reports TDS Telecom and Array as its reportable segments; “All Other” is non-reportable activity, not a reportable segment. TDS Telecom provides broadband, video and voice services. Array leases tower space and provides related services, and also has interests in wireless businesses and spectrum licenses. [P154546783][P154546343][P154546507]\n\nBased on operating revenue, TDS Telecom contributed approximately 84.5% and Array 13.3% in FY2025; All Other accounted for about 2.2%. [T5661408] In the six months ended June 30, 2026, the approximate shares were 80.5% for TDS Telecom, 17.1% for Array and 2.4% for All Other. [T17829316] Percentages are calculated from the reported revenue amounts and totals.\n[P154546783][P154546343][P154546507][T5661408][T5661408][T5661408][T5661408][T17829316][T17829316][T17829316][T17829316]", "updatedAt": "2026-10-02T14:07:45.835599Z" }, { "type": "HISTORY", "text": "Telephone & Data Systems, Inc. (TDS) was founded by LeRoy T. Carlson in 1969 with 10 small rural telephone operations in Wisconsin, and adopted its present name in 1970. By 1974 it had grown to 39 companies across 17 states. [https://www.tdsinc.com/about/tds-history/default.aspx]\n\nTDS expanded into wireless in 1983 by founding U.S. Cellular, which became a public company in 1988; that year TDS also formed TDS Telecom as its wireline provider. It later broadened its wireline and broadband business through acquisitions, including USLink in 1994 and cable operators Baja Broadband in 2013 and BendBroadband in 2014. [https://www.tdsinc.com/about/tds-history/default.aspx] [https://www.tdsinc.com/news/news-details/2013/Telephone-and-Data-Systems-Agrees-to-Acquire-Baja-Broadband/default.aspx] [https://www.tdsinc.com/news/news-details/2014/TDS-acquires-BendBroadband-in-Central-Oregon/default.aspx]\n\nIn 2024, TDS and U.S. Cellular agreed to sell U.S. Cellular’s wireless operations and selected spectrum assets to T-Mobile; the wireless-operations sale closed in 2025. In 2025, Walter C. D. Carlson succeeded LeRoy T. Carlson Jr. as TDS president and CEO. [https://www.tdsinc.com/news/news-details/2024/TDS-Board-Announces-Unanimous-Support-for-Sale-of-UScellulars-Wireless-Operations-and-Select-Spectrum-Assets-to-T-Mobile/default.aspx] [https://www.tdsinc.com/news/news-details/2025/UScellular-Completes-Sale-of-Wireless-Operations/default.aspx] [https://www.tdsinc.com/news/news-details/2025/TDS-announces-CEO-transition/default.aspx]\n[https://www.tdsinc.com/about/tds-history/default.aspx][https://www.tdsinc.com/news/news-details/2013/Telephone-and-Data-Systems-Agrees-to-Acquire-Baja-Broadband/default.aspx][https://www.tdsinc.com/news/news-details/2014/TDS-acquires-BendBroadband-in-Central-Oregon/default.aspx][https://www.tdsinc.com/news/news-details/2024/TDS-Board-Announces-Unanimous-Support-for-Sale-of-UScellulars-Wireless-Operations-and-Select-Spectrum-Assets-to-T-Mobile/default.aspx][https://www.tdsinc.com/news/news-details/2025/UScellular-Completes-Sale-of-Wireless-Operations/default.aspx][https://www.tdsinc.com/news/news-details/2025/TDS-announces-CEO-transition/default.aspx][https://www.tdsinc.com/about/tds-history/default.aspx][https://www.tdsinc.com/news/news-details/2013/Telephone-and-Data-Systems-Agrees-to-Acquire-Baja-Broadband/default.aspx][https://www.tdsinc.com/news/news-details/2014/TDS-acquires-BendBroadband-in-Central-Oregon/default.aspx][https://www.tdsinc.com/news/news-details/2024/TDS-Board-Announces-Unanimous-Support-for-Sale-of-UScellulars-Wireless-Operations-and-Select-Spectrum-Assets-to-T-Mobile/default.aspx][https://www.tdsinc.com/news/news-details/2025/UScellular-Completes-Sale-of-Wireless-Operations/default.aspx][https://www.tdsinc.com/news/news-details/2025/TDS-announces-CEO-transition/default.aspx]", 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