In Thornhill there are 9 residential internet providers covering 100.00% of the city. The average home can get speeds up to 1,550 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.
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9 Internet Service Providers in Thornhill
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 Thornhill are not shown.
Thornhill 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
Availability maps for all providers in Thornhill
Using the dropdown below, please select a provider. Green indicates nearly all homes have service, red indicates few homes have service, and blank indicates no service.
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Internet service is available in 100.00% of Thornhill. Using our interactive availability map, you can compare service areas for different providers, we include fiber, cable, DSL, or fixed wireless internet service for all providers who offer it. You will notice that some providers might be listed multiple times for each service. If you find no providers cover the location you're looking at, you can opt for satellite service. The most widely available provider is XFINITY. Now you can call companies in Thornhill with more confidence that they might be available.
How fast are internet speeds in Thornhill?
The map below shows maximum internet speeds by area in Thornhill.
Internet Speed Key
The average Thornhill home can get up to 1,550 Mbps on their internet plan. For most people, the fastest download speed in the city is 2,000 Mbps, which 54.96% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 45.04% of homes can only purchase plans up to 1,000 Mbps. See the internet provider details below for info about their speed and coverage in Thornhill.
Internet speeds tend to be faster in the east parts of Thornhill, and slower in the west areas of the city.
What type of internet should I choose in Thornhill?
The fastest internet for you may vary based on where in Thornhill you live. If speed is your main concern, cable will be the fastest internet in the city.
- Fiber is the fastest internet type for 45.04% of Thornhill homes.
- Cable is fastest for 54.96% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for less than 1% of Thornhill homes.
Internet Market Health in Thornhill
Internet Competition Key
The map shows how competitive the Thornhill internet service market is. Areas in green have more alternatives, areas in yellow have a few choices, and areas in red may have only one provider. More competition usually means faster speeds and better prices for you, the customer.
Below are quick facts on internet competition and market health in Thornhill based on what connections the average home has availabile:
- Average number of internet service providers to a home: 5.3 (healthy)
- Average types of service (fiber, cable, DSL, etc): 2.5 (healthy)
- Average providers with broadband (25 Mbps+) speeds: 4.8 (healthy)
Overall, competition is healthy.
Thornhill internet customers have the ability to buy internet service from 3 to 6 different providers, depending on where they live. For different types of service, Thornhill homes have between 2 and 3 options. The type(s) of service available are fixed wireless, fiber, and cable, though these may vary depending on the region within the city.
When it comes to broadband download speeds faster than 25 Mbps, the situation is worse. Thornhill internet customers who want faster speeds have between 2 and 6 choices of companies offering speeds up to or over 25 Mbps.
More internet companies with faster speeds means fewer monopolies and better prices for customers. In promoting a free market for internet, Thornhill is doing better than most.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Thornhill, along with details on where in Thornhill and at what speeds.
FiberLync Fiber in Thornhill, VA
FiberLync fiber coverage
About 100.00%, or 282 people, have FiberLync fiber internet available to them in the city. The company covers the entire Thornhill area. FiberLync is an average-sized internet service provider internet service providers in the US, with internet service available in every corner of Thornhill.
FiberLync fiber download speeds
FiberLync is above average when comparing download speeds to all other internet providers in Thornhill. Versus other fiber providers in the area, FiberLync fiber is the fastest. There are no different maximum speeds throughout Thornhill. The fastest plan anyone in Thornhill can order from FiberLync goes up to 1,000 Mbps, and all Thornhill customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
FiberLync fiber upload speeds
In Thornhill download speeds tend to be equal to than upload speeds for FiberLync fiber. Compared to other ISPs, FiberLync is the fastest where upload speeds are concerned, and the fastest compared to other Thornhill fiber providers. FiberLync offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Thornhill is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
XFINITY from Comcast Cable in Thornhill, VA
XFINITY cable coverage
About 54.96%, or 155 people, have XFINITY cable internet available to them in the city. The company covers the east Thornhill area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Thornhill.
XFINITY from Comcast cable download speeds
XFINITY is the fastest when comparing download speeds to all other internet providers in Thornhill. Versus other cable providers in the area, XFINITY cable is the fastest. There are no different maximum speeds throughout Thornhill. The fastest plan anyone in Thornhill can order from XFINITY goes up to 2,000 Mbps, and all Thornhill customers can get this speed.
Show all download speeds
- 100.0% up to 2,000.0 Mbps
XFINITY from Comcast cable upload speeds
In Thornhill download speeds tend to be faster than than upload speeds for XFINITY cable. Compared to other ISPs, XFINITY is above average where upload speeds are concerned, and the fastest compared to other Thornhill cable providers. XFINITY offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Thornhill is up to 250 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 250.0 Mbps
T-Mobile Home Internet Fixed Wireless in Thornhill, VA
T-Mobile Home Internet fixed wireless coverage
About 100.00%, or 282 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire Thornhill area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in every corner of Thornhill.
T-Mobile Home Internet fixed wireless download speeds
T-Mobile Home Internet is below average when comparing download speeds to all other internet providers in Thornhill. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is the fastest. There are 2 different maximum speeds throughout Thornhill. The fastest plan anyone in Thornhill can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Thornhill customers is up to 32 Mbps.
Show all download speeds
- 9.2% up to 100.0 Mbps
- 90.8% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Thornhill download speeds tend to be faster than than upload speeds for T-Mobile Home Internet fixed wireless. Compared to other ISPs, T-Mobile Home Internet is below average where upload speeds are concerned, and average compared to other Thornhill fixed wireless providers. T-Mobile Home Internet offers 2 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Thornhill is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, T-Mobile Home Internet customers can get speeds up to 4.6 Mbps.
Show all upload speeds
- 9.2% up to 20.0 Mbps
- 90.8% up to 3.0 Mbps
iWiSP Fixed Wireless in Thornhill, VA
iWiSP fixed wireless coverage
About 100.00%, or 282 people, have iWiSP fixed wireless internet available to them in the city. The company covers the entire Thornhill area. iWiSP is an average-sized internet service provider internet service providers in the US, with internet service available in every corner of Thornhill.
iWiSP fixed wireless download speeds
iWiSP is the slowest when comparing download speeds to all other internet providers in Thornhill. Versus other fixed wireless providers in the area, iWiSP fixed wireless is the slowest. There are 2 different maximum speeds throughout Thornhill. The fastest plan anyone in Thornhill can order from iWiSP goes up to 25 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Thornhill customers is up to 18 Mbps.
Show all download speeds
- 55.0% up to 25.0 Mbps
- 45.0% up to 10.0 Mbps
iWiSP fixed wireless upload speeds
In Thornhill download speeds tend to be faster than than upload speeds for iWiSP fixed wireless. Compared to other ISPs, iWiSP is the slowest where upload speeds are concerned, and the slowest compared to other Thornhill fixed wireless providers. iWiSP offers 2 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Thornhill is up to 3.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, iWiSP customers can get speeds up to 2.1 Mbps.
Show all upload speeds
- 55.0% up to 3.0 Mbps
- 45.0% up to 1.0 Mbps
EarthLink Fixed Wireless in Thornhill, VA
EarthLink fixed wireless coverage
About 79.43%, or 224 people, have EarthLink fixed wireless internet available to them in the city. The company covers the east, north, and northwest Thornhill area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Thornhill.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Thornhill. Versus other fixed wireless providers in the area, EarthLink fixed wireless is average. There are 2 different maximum speeds throughout Thornhill. The fastest plan anyone in Thornhill can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Thornhill customers is up to 29 Mbps.
Show all download speeds
- 5.4% up to 100.0 Mbps
- 94.6% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Thornhill download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and average compared to other Thornhill fixed wireless providers. EarthLink offers 2 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Thornhill is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, EarthLink customers can get speeds up to 3.9 Mbps.
Show all upload speeds
- 5.4% up to 20.0 Mbps
- 94.6% up to 3.0 Mbps
AT&T Fixed Wireless in Thornhill, VA
AT&T fixed wireless coverage
About 79.43%, or 224 people, have AT&T fixed wireless internet available to them in the city. The company covers the east, north, and northwest Thornhill area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of Thornhill.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in Thornhill. Versus other fixed wireless providers in the area, AT&T fixed wireless is average. There are 2 different maximum speeds throughout Thornhill. The fastest plan anyone in Thornhill can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Thornhill customers is up to 29 Mbps.
Show all download speeds
- 5.4% up to 100.0 Mbps
- 94.6% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Thornhill download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and average compared to other Thornhill fixed wireless providers. AT&T offers 2 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Thornhill is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, AT&T customers can get speeds up to 3.9 Mbps.
Show all upload speeds
- 5.4% up to 20.0 Mbps
- 94.6% up to 3.0 Mbps
Virginia Broadband Fixed Wireless in Thornhill, VA
Virginia Broadband fixed wireless coverage
About 13.48%, or 38 people, have Virginia Broadband fixed wireless internet available to them in the city. The company covers the north and northwest Thornhill area. Virginia Broadband is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Thornhill.
Virginia Broadband fixed wireless download speeds
Virginia Broadband is below average when comparing download speeds to all other internet providers in Thornhill. Versus other fixed wireless providers in the area, Virginia Broadband fixed wireless is average. There are no different maximum speeds throughout Thornhill. The fastest plan anyone in Thornhill can order from Virginia Broadband goes up to 25 Mbps, and all Thornhill customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
Virginia Broadband fixed wireless upload speeds
In Thornhill download speeds tend to be faster than than upload speeds for Virginia Broadband fixed wireless. Compared to other ISPs, Virginia Broadband is below average where upload speeds are concerned, and the fastest compared to other Thornhill fixed wireless providers. Virginia Broadband offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Thornhill is up to 5.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5.0 Mbps
Thornhill Internet by Area
This information is most helpful to those looking for homes or considering moving to Thornhill or any of the areas nearby.
How does internet in Thornhill compare to the rest of Virginia?
Internet speeds in Thornhill are slower versus the average speeds in Virginia: 1,990 Mbps in Virginia versus 1,550 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in Virginia is 97.92% versus 100.00% in Thornhill.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Thornhill are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does internet service look like in other cities?
Below are cities nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Cities
- Tatum, VA: less internet coverage, slower speeds
- Wares Crossroads, VA: equal internet coverage, slower speeds
- Ellisville, VA: equal internet coverage, slower speeds
- Unionville, VA: less internet coverage, slower speeds
- Lahore, VA: equal internet coverage, slower speeds
- Blue Ridge Shores, VA: equal internet coverage, slower speeds
- Mine Run, VA: equal internet coverage, slower speeds
- Mineral, VA: equal internet coverage, slower speeds
- Madison Run, VA: equal internet coverage, slower speeds
- Rhoadesville, VA: equal internet coverage, slower speeds
Cities with Similar Populations
- Dundee, IN: equal internet coverage, slower speeds
- East Cape Girardeau, IL: equal internet coverage, faster speeds
- East Branch, NY: less internet coverage, slower speeds
- East Benton, PA: equal internet coverage, faster speeds
- Earlytown, AL: equal internet coverage, faster speeds
- Earlton, KS: less internet coverage, slower speeds
- Durbin, WV: less internet coverage, slower speeds
- Dunnavant, AL: equal internet coverage, slower speeds
- Dunlapsville, IN: equal internet coverage, slower speeds
- Dundee, KS: equal internet coverage, slower speeds