Explore Xfinity Fiber internet availability and speeds across the United States. See where Xfinity offers service and compare technologies.

We understand you may have questions about how we determine if your address is serviceable and what steps are involved to get you set up. This article will walk you through everything you …

Xfinity Fiber Internet is Comcast’s high-speed internet service powered by fiber-optic technology. Unlike traditional cable, fiber uses light signals for ultra-fast data transmission, offering …

Most new Xfinity customers will get an Xfinity Gateway, a modem/router combo that runs on the DOCSIS 3.1. protocol. The Gateway has tri-band Wi-Fi, four Ethernet ports, and advanced …

3 days ago · Find out if Xfinity's reliable cable and fiber internet is available at your address and compare plans for your needs.

Jun 30, 2025 · In some areas, Xfinity also offers fiber-optic internet service, which can reach download speeds of up to 10 Gbps (10,000 Mbps). Check out our full Xfinity internet review to …

Xfinity, while a widespread provider, does not offer its fiber optic service in all areas where its traditional cable internet is present.