In Fairfax County there are 2 residential Cable providers covering 97.12% of the county. The average home can get speeds up to 1,965 Mbps. Note that we may have a financial relationship with some of the providers below. This does not influence rankings, and helps us provide high-quality detailed information for free.
This page contains all Cable internet providers in Fairfax County, VA.
To see availability maps for all providers including fiber, cable, DSL, and more in Fairfax County, VA please click below.
Fairfax County, VA Availability Maps
Cable Internet Service Providers in Fairfax County
Data updated 11/14/2025, based on FCC data from 12/31/2024. This is the most current data available as of .
To avoid wasting your time, providers with less than 1% coverage in Fairfax County are not shown.
Fairfax County Satellite TV & Internet Providers
DISH Satellite TV
DIRECTV Satellite TV
Not sure whether to choose Dish or DIRECTV? For most people most of the time we recommend DISH. But click here to learn more.
Viasat Satellite Internet
Where in Fairfax County is cable internet available?
Cable Internet Availability Key
Cable is available in 97.12% of Fairfax County. Areas in green have cable internet service, where areas in yellow or red may not. The most widely available provider is Cox. Call one of the companies with service in Fairfax County above to see who has service at your home.
How fast is cable internet in Fairfax County?
The map below shows maximum cable internet speeds by area in Fairfax County.
Cable Internet Speed Key
The average Fairfax County home can get up to 1,965 Mbps on their cable internet plan. The fastest cable download speed in the county is 2,000 Mbps, which 92.91% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 4.21% of homes can only purchase plans up to 1,200 Mbps. See the internet provider details below for info about their speed and coverage in Fairfax County.
Cable internet speeds tend to be faster in the southeast parts of Fairfax County, and slower in the northwest areas of the county.
Is cable the fastest internet I can get in Fairfax County?
The fastest internet for you may vary based on where in Fairfax County you live. In general, fiber competes most often with cable in the county.
- Fiber is the fastest internet type for 46.97% of Fairfax County homes.
- Cable is fastest for 51.13% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for 1.40% of Fairfax County homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Fairfax County, along with details on where in Fairfax County and at what speeds.
Cox Communications Cable in Fairfax County, VA
Cox cable coverage
About 91.94%, or 1,057,597 people, have Cox cable internet available to them in the county. The company covers the entire Fairfax County area. Cox is one of the largest internet service providers internet service providers in the US, with internet service available in most of Fairfax County.
Cox Communications cable download speeds
Cox is above average when comparing download speeds to all other internet providers in Fairfax County. Versus other cable providers in the area, Cox cable is the fastest. There are no different maximum speeds throughout Fairfax County. The fastest plan anyone in Fairfax County can order from Cox goes up to 2,000 Mbps, and all Fairfax County customers can get this speed.
Show all download speeds
- 100.0% up to 2,000.0 Mbps
Cox Communications cable upload speeds
In Fairfax County download speeds tend to be faster than than upload speeds for Cox cable. Compared to other ISPs, Cox is below average where upload speeds are concerned, and the slowest compared to other Fairfax County cable providers. Cox offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Fairfax County is up to 100 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, Cox customers can get speeds up to 47 Mbps.
Show all upload speeds
- 18.9% up to 100.0 Mbps
- 81.1% up to 35.0 Mbps
XFINITY from Comcast Cable in Fairfax County, VA
XFINITY cable coverage
About 9.33%, or 107,309 people, have XFINITY cable internet available to them in the county. The company covers the northwest, east, southeast, northeast, north, and central Fairfax County area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Fairfax County.
XFINITY from Comcast cable download speeds
XFINITY is average when comparing download speeds to all other internet providers in Fairfax County. Versus other cable providers in the area, XFINITY cable is the slowest. There are 2 different maximum speeds throughout Fairfax County. The fastest plan anyone in Fairfax County can order from XFINITY goes up to 2,000 Mbps, the slowest package only goes up to 1,200 Mbps, and the county-wide average maximum speed for Fairfax County customers is up to 1,452 Mbps.
Show all download speeds
- 31.4% up to 2,000.0 Mbps
- 68.6% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In Fairfax County download speeds tend to be faster than than upload speeds for XFINITY cable. Compared to other ISPs, XFINITY is below average where upload speeds are concerned, and the fastest compared to other Fairfax County cable providers. XFINITY offers 3 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Fairfax County is up to 2,000 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, XFINITY customers can get speeds up to 448 Mbps.
Show all upload speeds
- 19.7% up to 2,000.0 Mbps
- 11.7% up to 250.0 Mbps
- 68.6% up to 35.0 Mbps
Fairfax County Cable by Area
This information is most helpful to those looking for homes or considering moving to Fairfax County or any of the areas nearby.
How does cable internet in Fairfax County compare to the rest of Virginia?
Cable internet speeds in Fairfax County are much faster versus the average speeds in Virginia: 0.00 Mbps in Virginia versus 1,965 Mbps in the county. The state has similar cable availability compared to the county. Average cable coverage in Virginia is 0.00% versus 97.12% in Fairfax County.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Fairfax County are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does cable internet look like in other counties?
Below are counties nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Counties
- Fairfax City, VA: more cable coverage, faster speeds
- Falls Church City, VA: more cable coverage, faster speeds
- Arlington County, VA: more cable coverage, faster speeds
- Alexandria City, VA: more cable coverage, slower speeds
- Manassas Park City, VA: more cable coverage, slower speeds
- Manassas City, VA: more cable coverage, slower speeds
- District of Columbia, DC: less cable coverage, slower speeds
- Prince George's County, MD: more cable coverage, faster speeds
- Warren County, VA: less cable coverage, slower speeds
- Talbot County, MD: less cable coverage, slower speeds
Counties with Similar Populations
- Broward County, FL: more cable coverage, slower speeds
- New York County, NY: less cable coverage, slower speeds
- Salt Lake County, UT: more cable coverage, slower speeds
- Oakland County, MI: more cable coverage, slower speeds
- Wayne County, MI: more cable coverage, slower speeds
- Travis County, TX: less cable coverage, slower speeds
- Fresno County, CA: less cable coverage, slower speeds
- Bronx County, NY: more cable coverage, slower speeds
- Westchester County, NY: more cable coverage, slower speeds
- Tarrant County, TX: less cable coverage, slower speeds