In Castleton there is 1 residential DSL provider covering 24.29% of the city. The average home can get speeds up to 16 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 DSL internet providers in Castleton, VT.
To see availability maps for all providers including fiber, cable, DSL, and more in Castleton, VT please click below.
Castleton, VT Availability Maps
DSL Internet Service Provider in Castleton
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 Castleton are not shown.
Castleton 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 Castleton is DSL internet available?
DSL Internet Availability Key
DSL is available in 24.29% of Castleton. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Fidium. Call one of the companies with service in Castleton above to see who has service at your home.
How fast is DSL internet in Castleton?
The map below shows maximum DSL internet speeds by area in Castleton.
DSL Internet Speed Key
The average Castleton home can get up to 16 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 60 Mbps, which 2.74% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 21.55% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Castleton.
DSL internet speeds tend to be faster in the central parts of Castleton, and slower in the southwest areas of the city.
Is DSL the fastest internet I can get in Castleton?
The fastest internet for you may vary based on where in Castleton you live. In general, fiber competes most often with DSL in the city.
- Fiber is the fastest internet type for 91.46% of Castleton homes.
- Cable is fastest for 7.21% 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 1.34% of Castleton homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Castleton, along with details on where in Castleton and at what speeds.
Fidium Fiber DSL in Castleton, VT
Fidium DSL coverage
About 24.29%, or 691 people, have Fidium DSL internet available to them in the city. The company covers the southwest, central, north, east, northeast, south, and southeast Castleton area. Fidium is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Castleton.
Fidium Fiber DSL download speeds
Fidium is the slowest when comparing download speeds to all other internet providers in Castleton. Versus other DSL providers in the area, Fidium DSL is the fastest. There are 2 different maximum speeds throughout Castleton. The fastest plan anyone in Castleton can order from Fidium goes up to 60 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Castleton customers is up to 16 Mbps.
Show all download speeds
- 11.3% up to 60.0 Mbps
- 88.7% up to 10.0 Mbps
Fidium Fiber DSL upload speeds
In Castleton download speeds tend to be faster than than upload speeds for Fidium DSL. Compared to other ISPs, Fidium is the slowest where upload speeds are concerned, and the fastest compared to other Castleton DSL providers. Fidium 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 Castleton is up to 10 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Fidium customers can get speeds up to 2.0 Mbps.
Show all upload speeds
- 11.3% up to 10.0 Mbps
- 88.7% up to 1.0 Mbps
Castleton DSL by Area
This information is most helpful to those looking for homes or considering moving to Castleton or any of the areas nearby.
How does DSL internet in Castleton compare to the rest of Vermont?
DSL internet speeds in Castleton are much faster versus the average speeds in Vermont: 0.00 Mbps in Vermont versus 16 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in Vermont is 0.00% versus 24.29% in Castleton.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Castleton are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does DSL internet 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
- Bomoseen, VT: more DSL coverage, slower speeds
- Hydeville, VT: more DSL coverage, slower speeds
- West Castleton, VT: more DSL coverage, slower speeds
- Fair Haven, VT: more DSL coverage, faster speeds
- East Hubbardton, VT: more DSL coverage, slower speeds
- Poultney, VT: more DSL coverage, slower speeds
- West Rutland, VT: more DSL coverage, slower speeds
- Hubbardton, VT: more DSL coverage, slower speeds
- Florence, VT: more DSL coverage, slower speeds
- Center Rutland, VT: more DSL coverage, slower speeds
Cities with Similar Populations
- Aviston, IL: more DSL coverage, slower speeds
- West Tawakoni, TX: less DSL coverage, faster speeds
- Belmond, IA: more DSL coverage, faster speeds
- Bruce, MS: less DSL coverage, slower speeds
- Sedgwick, KS: more DSL coverage, slower speeds
- Morning View, KY: less DSL coverage, faster speeds
- Mountainburg, AR: more DSL coverage, faster speeds
- Oak Hill, FL: more DSL coverage, slower speeds
- Perrysville, OH: more DSL coverage, faster speeds
- Rector, AR: more DSL coverage, faster speeds