We provide secure networking, edge cloud and AI-ready infrastructure to connect people, data and apps. Our massive fiber network empowered Intelsat to expand capacity and connect …

Larger mergers at the beginning of the 21st century added internet service providing to Lumen's core business. As cloud computing became more important, Lumen acquired businesses …

Feb 2, 2026 · AT&T has purchased substantially all of Lumen’s Mass Markets fiber business, bringing millions more Americans the simple, seamless and trusted experience they can …

Lumen is a global communications services provider that ignites business growth by connecting people, data and apps—quickly, securely and effortlessly.

The lumen (symbol: lm) is the SI unit of luminous flux, which quantifies the perceived power of visible light emitted by a source. Luminous flux differs from power (radiant flux), which …

Contact Lumen enterprise support for sales, service, billing and more. Chat, call or email experts, find locations, or report a service outage.

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Explore high-speed enterprise-grade internet connectivity solutions from Lumen. Choose from dedicated, on-demand and high-bandwidth options.

Explore global Lumen locations. See addresses and telephone numbers for our headquarters and locations around the world to find support, service and more.

Feb 2, 2026 · Lumen first announced its plan to sell its consumer business to AT&T on May 21, 2025. Lumen’s management team will address the completed transaction during the …