Zayo Group
TelecommunicationsColorado, United States1001-5000 Employees
Zayo Group is a telecommunications company headquartered in Denver, Colorado, at 1401 Wynkoop Street 500. It operates an extensive fiber network totaling 16.8 million fiber miles and 141,000 route miles, and provides connectivity and edge solutions to carriers, cloud providers, data centers, educational institutions, and enterprises. Zayo provides tailored connectivity and edge services across core, cloud, and edge environments to support enterprise and communications customers. In 2026, Zayo expanded its asset base by acquiring Crown Castle's fiber assets for about $8.5 billion and launched initiatives to deliver Starlink LEO satellite connectivity through a partnership with Starlink. The company also pursues international connectivity opportunities, including a January 2026 partnership with Reintel to deliver high-capacity fibre links between Spain and Portugal, strengthening Iberian data centre connectivity.