Xfinity Availability

Check whether Xfinity reaches your address, see where its network runs, and compare it against the other providers serving you.

By , Editor · Updated August 15, 2026 · Availability figures from the FCC Broadband Data Collection, as of December 31, 2025

Xfinity at a glance

Xfinity, from Comcast Corporation, is a hybrid fiber-coaxial cable, with fiber to a limited set of addresses network covering around 40 states, concentrated in the Northeast, Mid-Atlantic and Midwest. Its plans commonly range from 150 Mbps up to 2 Gbps where available, and it is known for the widest gigabit-capable cable footprint in the US. FiberNear tracks it in 12 markets.

  • Xfinity is cable, operated by Comcast Corporation.
  • Coverage: around 40 states, concentrated in the Northeast, Mid-Atlantic and Midwest.
  • Plans: plans commonly range from 150 Mbps up to 2 Gbps where available. Tiers and pricing are set by Comcast Corporation and vary by address.
  • Of the markets FiberNear tracks where it operates, Philadelphia, PA has the most fiber overall at 86.2% of residential locations — a figure describing the market, not this provider's own footprint.
  • Xfinity is built out address by address, so the only reliable check is at your specific address. FiberNear checks it free and is not affiliated with Comcast Corporation.

Availability figures: FCC Broadband Data Collection, as of December 31, 2025. Page updated August 15, 2026.

How to check Xfinity availability

Xfinity is built out address by address, so a coverage map only tells part of the story — two homes on the same block can get different answers depending on which side of the street the conduit was trenched. The reliable check is address-level.

  1. Enter your full street address, not just your ZIP code. ZIP-level results are averages and will mislead you.
  2. We compare it against Xfinity and the other fiber and high-speed networks we can identify at that location.
  3. You get the list of what you can actually order, with next steps. Free, and no obligation.

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Where Xfinity operates

These are the markets FiberNear tracks where Xfinity is active. The percentages are the share of each city's residential locations reached by fiber of any brand — Xfinity is one of several networks in most of these markets, so treat the figure as how fiber-ready the city is, not as Xfinity's own footprint.

Markets served by Xfinity with citywide fiber availability
MarketFiber availableFiber gigabit
Philadelphia, PA86.2%50.9%
Seattle, WA77.1%67.8%
Portland, OR71.5%53.8%
Boston, MA69.8%18.0%
Washington, DC62.4%15.5%
Indianapolis, IN61.4%60.4%
Houston, TX55.2%54.5%
Jacksonville, FL54.3%54.0%
San Francisco, CA44.0%43.8%
San Jose, CA37.3%37.1%
Chicago, IL33.3%33.3%
Detroit, MI22.4%22.3%

Source: FCC Broadband Data Collection, residential fixed broadband, as of December 31, 2025. Figures are advertised availability self-reported by providers, not measured speeds. Provider presence in each market is FiberNear's own editorial assessment, not an FCC figure.

How Xfinity compares

Most addresses that can get Xfinity can get at least one competing network too, and the right answer usually comes down to which one actually reaches the property. Other cable providers we track:

Spectrum

Hybrid fiber-coaxial cable, with fiber run to some business and new-build addresses.

Cox Communications

Hybrid fiber-coaxial cable.

Optimum

Hybrid fiber-coaxial cable, with fiber-to-the-home across part of its footprint.

WOW! Internet

Hybrid fiber-coaxial cable, with fiber in newer builds.

Astound Broadband

Hybrid fiber-coaxial cable, with fiber across part of its footprint.

If you are comparing Xfinity against fiber, these are the fiber networks we track: AT&T Fiber  ·  Frontier Fiber  ·  Google Fiber  ·  Verizon Fios  ·  Quantum Fiber  ·  Metronet

See every provider in the full provider directory.

Common questions about Xfinity

How do I check if Xfinity is available at my address?
Xfinity is built out address by address, so a coverage map will not answer the question for a specific home — two houses on the same street can get different answers. Enter your street address in the checker on this page and FiberNear will confirm whether Xfinity, or another fiber provider, can actually serve your location. It is free and there is no obligation.
Is Xfinity fiber or cable?
Xfinity is cable, not fiber to the home. Its network uses fiber for the long-haul portion and coaxial cable for the final run into the property — the industry calls this hybrid fiber-coaxial. In practice that means download speeds compete with fiber, but upload speeds are usually far lower. Some Xfinity addresses do get true fiber, mostly in new builds.
Which cities does Xfinity serve?
Xfinity operates across around 40 states, concentrated in the Northeast, Mid-Atlantic and Midwest. Among the metros FiberNear tracks, it is active in Philadelphia, PA, Seattle, WA, Portland, OR, Boston, MA, Washington, DC, Indianapolis, IN, Houston, TX, Jacksonville, FL, San Francisco, CA, San Jose, CA, Chicago, IL, Detroit, MI. The best-covered of those for fiber generally is Philadelphia, PA, where fiber of some brand reaches 86.2% of residential locations according to FCC filings as of December 31, 2025.
What speeds does Xfinity offer?
Xfinity plans commonly range from 150 Mbps up to 2 Gbps where available. Tiers, pricing and promotional terms are set by Comcast Corporation and vary by address — confirm them with the provider before you order.
Is FiberNear affiliated with Comcast Corporation?
No. FiberNear is an independent comparison and referral service. We are not an internet service provider and we are not affiliated with, endorsed by, or sponsored by Comcast Corporation. Xfinity is a trademark of its owner, used here for identification only.

FiberNear is an independent comparison service and is not affiliated with, endorsed by, or sponsored by Comcast Corporation. Xfinity is a trademark of its owner, used here for identification only. Availability, speeds and pricing are set and confirmed by the provider.