With its 100% underground dark fiber networks serving critical data needs, BIG Fiber has closed a $250.0M funding round. The Sunnyvale, California-based company, founded in 2019, specializes in providing high-capacity, strategically placed dark fiber to mission-critical data centers, Hyperscalers, and enterprises.
BIG Fiber's infrastructure spans the San Francisco Bay Area with over 320 route miles and 65 data centers, extends to Greater Portland with more than 20 route miles and 15 data centers, and covers Greater Atlanta with over 330 route miles and 30 data centers, meeting the demand for quality new infrastructure options.















