Nationwide Fiber-Optic Network

A high-capacity fiber optic network and scalable data services, for efficient delivery of Ethernet, Internet, and phone solutions.

Built on Comcast fiber

We host 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 businesses. Learn more about how we use fiber optic cables to deliver reliable, high-speed services to your business.

Man checking server diagnostics

Designed for optimal business performance

Our vast and growing footprint spans 29 regional networks in 39 states and includes:

  • An enhanced fiber optic network, with more than 150,000 miles of fiber, that provides high- speed, high quality, and high-definition services to a number of large companies
  • A support structure made up of thousands of professionals with the knowledge and experience to handle any situation
  • MEF-certified carrier class Ethernet that delivers standardized, scalable, and reliable Metro Ethernet solutions – at a service and hardware level
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Comcast Metro Ethernet availability

Comcast currently provides Metro Ethernet services in the following markets. Additional markets will be launched on an ongoing basis.

  • Albuquerque, NM
  • Atlanta, GA
  • Augusta, GA
  • Baltimore, MD
  • Bellevue, WA
  • Boston, MA
  • Chattanooga, TN
  • Chicago, IL
  • Delaware
  • Denver, CO
  • Detroit, MI
  • Flint, MI
  • Fort Lauderdale, FL
  • Fort Myers, FL
  • Ft Wayne, IN 
  • Grand Rapids, MI
  • Hartford, CT

  • Houston, TX
  • Huntsville, AL
  • Indianapolis, IN
  • Jacksonville, FL
  • Kalamazoo, MI
  • Knoxville, TN
  • Lancaster, PA
  • Lansing MI
  • Little Rock, AR
  • Memphis, TN
  • Miami, FL
  • Minneapolis/St. Paul
  • Morgantown, WV
  • Naples, FL
  • Nashville, TN
  • New Jersey
  • Oakland, CA

  • Philadelphia, PA
  • Pittsburgh, PA
  • Portland, OR
  • Sacramento, CA
  • Salt Lake City, UT
  • San Francisco, CA
  • San Jose, CA
  • Sarasota, FL
  • Savannah, GA
  • Scranton, PA
  • Seattle, WA
  • Spokane, WA
  • Tacoma, WA
  • Tallahassee, FL
  • Washington D.C.

Our extensive nationwide fiber optic network

It’s the largest facilities-based, last-mile alternative to the phone company in the U.S.

U.S. map with pins in major cities across the U.S. and connecting lines

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 150,000 miles of fiber. We currently serve 18 of the top markets, delivering a multi-tier broadband service with scalable solutions to fit your business.