The sophistication and high capacity of our fiber optic network helps us deliver the highest levels of service to our customers. The scalability of our data services allows us to deliver Ethernet, Internet and phone solutions – including more options at a service level – with great efficiency.
A Network Built on Comcast Fiber
Comcast Business hosts a robust network that forms the basis of our Fiber Optic Internet services and other internet based services for small, mid-market, and enterprise level business. Learn more about how we use fiber optic cables to deliver high speed and reliable services to your business.
Comcast's Extensive Nationwide Fiber Optic Network
The largest facilities -based, last mile alternative to the phone company in the United States.

Comcast Business Fiber Optic Network
Our high-speed, high-capacity fiber optic internet operates across our vast and constantly growing Hybrid Fiber-Coax network, with more than 145, 000 miles of fiber. We currently serve 18 of the top markets, delivering a multi-tier broadband service with scalable solutions to fit your business.