Don't let a stray "xhxx" derail your search for high-speed internet. Use the official tools, understand the color codes, and take action. Whether you are moving to a new home, switching providers, or just curious about Comcast’s expansive cable network—the map is your first and most crucial step.
No. The official URL is xfinity.com/map or comcast.com/availability . Any URL with "xhxx" is either a typo or a phishing attempt.
: Chicago, Houston, Philadelphia, and Miami all report over 94% availability.
Xfinity's cable network is most prominent in urban and suburban areas. Below are coverage percentages for key markets as of 2026: Estimated Availability Max Download Speed Philadelphia, PA 1,799 Mbps San Jose, CA 1,786 Mbps Chicago, IL 1,768 Mbps Houston, TX 1,828 Mbps 1,826 Mbps Seattle, WA 1,855 Mbps (Sources:) ISP Reports Network Technologies & Performance Xfinity Plans & Pricing - InMyArea.com