AT&T Acquires Lumen's Mass Markets Fiber Business for $5.75B

Why this matters: This acquisition allows AT&T to significantly expand its fiber footprint, meeting the growing demand for high-speed internet and strengthening its position against competitors. For Lumen, this sale enables them to focus on their enterprise and AI-driven networking contracts.

The acquisition includes Lumen's last-mile Mass Markets fiber assets and associated network elements. Over time, Lumen's subscribers will transition to AT&T Fiber, benefiting from AT&T's simple pricing, multi-gig speeds, and enhanced security features. AT&T plans to leverage Lumen's fiber construction capabilities to accelerate fiber deployment outside its traditional wireline operating region. After the deal closes, Lumen will provide AT&T with transitional services for approximately two years, covering field operations, network deployment, and customer support. AT&T intends to sell partial ownership of a new subsidiary, NetworkCo, to an equity partner to co-invest in the ongoing business. The goal is to create a wholesale commercial open access platform, with AT&T as the anchor tenant. AT&T expects this transaction to deliver significant value to consumers and shareholders, driving returns comparable to its current fiber investments.

AT&T is acquiring Lumen's Mass Markets fiber business, including approximately 1 million fiber customers and 4 million fiber locations across 11 U.S. states.

Lumen is selling its consumer fiber business to focus on the enterprise and AI fiber space.

The transaction is expected to close in the first half of 2026, pending regulatory approval.

Over time, Lumen's fiber subscribers will transition to AT&T Fiber and receive services under the AT&T brand.

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