Xfinity offers internet service in 39 states plus Washington, D.C., and reaches about 42% of the country, which is roughly 140 million people. Inside the zip codes it serves, Xfinity’s coverage is close to complete. Here’s where Xfinity’s network actually goes.
Xfinity availability map
Xfinity’s network covers 9,010 zip codes. Zoom in, and the coverage mostly looks solid. Where Xfinity built, it built nearly every street.
Where XFINITY internet is available
Search a ZIP code or city, or explore the map to see how much of each area XFINITY's network actually covers.
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Coverage is the share of each ZIP code where XFINITY service is available, so a lower number means the network reaches part of that ZIP rather than all of it. Each dot sits at the ZIP code's geographic center. Top speed, when listed, is the fastest download speed offered in that ZIP.
Where is Xfinity available?
When it comes to internet availability and reach, most comparison sites publish the big number and stop. We’re not most comparison sites. You want to know if the service is available to you, not the rest of the country.
If your zip code shows up on the Xfinity map, the odds are good your address does too. In the average Xfinity zip code, about 92% of residents can order service, and roughly 89% of Xfinity’s zip codes are at least half covered.
Coverage holds up across density too. In zip codes with more than 25,000 people, the average Xfinity zip is about 93% covered. In zip codes under 2,000 people, it’s still around 87%.
39 + D.C.
states served
5,958
cities served
42%
of U.S. reached
92%
Average zip coverage
States covered by Xfinity
Xfinity serves all or part of 39 states plus Washington, D.C. Coverage runs deepest in Washington, D.C., Utah, Massachusetts, Maine, and Delaware, where it reaches nearly every resident in its zip codes. Its thinnest coverage is in Idaho, North Carolina, and Arizona, where it serves pockets near larger metro areas.
Large cities with the strongest Xfinity coverage
Xfinity serves plenty of cities with more than 250,000 residents. These six are where it covers the largest share of people. All six top out at 2Gbps.
| City | Residents covered | Top speed | Other providers |
|---|---|---|---|
| Boston, MA | 100% | Up to 2Gbps | See all |
| Philadelphia, PA | 100% | Up to 2Gbps | See all |
| Baltimore, MD | 100% | Up to 2Gbps | See all |
| Jacksonville, FL | 100% | Up to 2Gbps | See all |
| Tallahassee, FL | 100% | Up to 2Gbps | See all |
| Nashville, TN | 100% | Up to 2Gbps | See all |
| City | Boston, MA |
| Residents covered | 100% |
| Top speed | Up to 2Gbps |
| Other providers | See all |
| City | Philadelphia, PA |
| Residents covered | 100% |
| Top speed | Up to 2Gbps |
| Other providers | See all |
| City | Baltimore, MD |
| Residents covered | 100% |
| Top speed | Up to 2Gbps |
| Other providers | See all |
| City | Jacksonville, FL |
| Residents covered | 100% |
| Top speed | Up to 2Gbps |
| Other providers | See all |
| City | Tallahassee, FL |
| Residents covered | 100% |
| Top speed | Up to 2Gbps |
| Other providers | See all |
| City | Nashville, TN |
| Residents covered | 100% |
| Top speed | Up to 2Gbps |
| Other providers | See all |
* Share of each city’s residents who can get Xfinity, based on zip-level coverage data. Availability and speed may vary by location.
Is Xfinity available in rural areas?
You might expect a provider this large to show up everywhere, including the countryside. In practice, Xfinity is mostly an urban and suburban network.
We surveyed 10,000 internet customers in 2026, including 603 Xfinity customers. Of those, 13.9% said they live in a rural area of the United States, just below the 14.5% national average.
Xfinity’s footprint grew out of the large metro cable systems Comcast bought in the 1990s and 2000s, so its strongest coverage follows those cities and their suburbs.
| Provider | Customers living in a rural area |
|---|---|
| Spectrum | 27.8% |
| Frontier | 26.0% |
| U.S. Average | 14.5% |
| Xfinity | 13.9% |
| Mediacom | 9.9% |
HighSpeedInternet.com national ISP study, March 2026. n = 10,000.
Does Xfinity have fiber?
Mostly cable, with fiber in some areas.
Xfinity Internet runs on a hybrid fiber-coaxial network. Fiber carries the signal most of the way, then coaxial cable covers the last stretch into your home. Every Xfinity zip code in our data is listed as cable, with a top tier of 2Gbps.
That consistency is the upside: The 2Gbps tier is available in all 9,010 Xfinity zip codes, so the fastest plan isn’t limited to a handful of markets the way it is with some providers
9,010 zip codes with 2Gbps
Every Xfinity zip code in our data lists 2Gbps as the top tier.
What if you can’t get Xfinity at your address?
Plenty of people land here and find out Xfinity doesn’t reach them. Here’s where to look next.
Fiber
Fiber delivers matching upload and download speeds. Check AT&T Fiber, gFiber, and Verizon Fios.
Cable
Spectrum, Cox, Optimum, and Mediacom cover areas Xfinity doesn’t.
Rural
Satellite and 5G home internet reach almost everywhere. Check T-Mobile 5G Home Internet and Verizon 5G Home Internet.
See everything
Enter your zip, and we’ll list every provider at your address.
What customers say about Xfinity
Xfinity Overall Rating: (3.3/5)
78% satisfaction rating of 4+ stars
79% reliability rating of 4+ stars
78% speed rating of 4+ stars
53% price rating of 4+ stars
Xfinity availability FAQ
Is Xfinity available in my area?
Why does Xfinity show in my zip code but not at my address?
What states is Xfinity available in?
Is Xfinity available in rural areas?
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Is Xfinity still expanding?
How does HighSpeedInternet.com know where Xfinity is available?
* Coverage figures reflect provider-supplied zip-level availability data. Reach is the share of U.S. residents living in a zip code where Xfinity offers service. Survey: HighSpeedInternet.com national ISP study, March 2026 (n = 10,000; Xfinity n = 603). Availability and speed may vary by location.
