In Grand Isle County there is 1 residential DSL provider covering 99.07% of the county. The average home can get speeds up to 38 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 Grand Isle County, VT.
To see availability maps for all providers including fiber, cable, DSL, and more in Grand Isle County, VT please click below.
Grand Isle County, VT Availability Maps
DSL Internet Service Provider in Grand Isle 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 Grand Isle County are not shown.
Grand Isle 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 Grand Isle County is DSL internet available?
DSL Internet Availability Key
DSL is available in 99.07% of Grand Isle County. 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 Grand Isle County above to see who has service at your home.
How fast is DSL internet in Grand Isle County?
The map below shows maximum DSL internet speeds by area in Grand Isle County.
DSL Internet Speed Key
The average Grand Isle County home can get up to 38 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 80 Mbps, which 20.28% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 46.35% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Grand Isle County.
DSL internet speeds tend to be faster in the central parts of Grand Isle County, and slower in the east areas of the county.
Is DSL the fastest internet I can get in Grand Isle County?
The fastest internet for you may vary based on where in Grand Isle County you live. In general, cable competes most often with DSL in the county.
- Fiber is the fastest internet type for 2.03% of Grand Isle County homes.
- Cable is fastest for 62.11% of the county.
- DSL is fastest for 28.01%.
- Fixed wireless is fastest for 7.79%.
- Satellite internet may be the only option for less than 1% of Grand Isle County homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Grand Isle County, along with details on where in Grand Isle County and at what speeds.
Fidium Fiber DSL in Grand Isle County, VT
Fidium DSL coverage
About 99.07%, or 7,225 people, have Fidium DSL internet available to them in the county. The company covers the entire Grand Isle County area. Fidium is one of the largest internet service providers internet service providers in the US, with internet service available in most of Grand Isle County.
Fidium Fiber DSL download speeds
Fidium is below average when comparing download speeds to all other internet providers in Grand Isle County. Versus other DSL providers in the area, Fidium DSL is the fastest. There are 5 different maximum speeds throughout Grand Isle County. The fastest plan anyone in Grand Isle County can order from Fidium goes up to 80 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Grand Isle County customers is up to 38 Mbps.
Show all download speeds
- 20.5% up to 80.0 Mbps
- 4.1% up to 60.0 Mbps
- 28.3% up to 50.0 Mbps
- 0.4% up to 30.0 Mbps
- 46.8% up to 10.0 Mbps
Fidium Fiber DSL upload speeds
In Grand Isle County download speeds tend to be faster than than upload speeds for Fidium DSL. Compared to other ISPs, Fidium is below average where upload speeds are concerned, and the fastest compared to other Grand Isle County DSL providers. Fidium 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 Grand Isle County is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Fidium customers can get speeds up to 11 Mbps.
Show all upload speeds
- 48.7% up to 20.0 Mbps
- 4.5% up to 10.0 Mbps
- 46.8% up to 1.0 Mbps
Grand Isle County DSL by Area
This information is most helpful to those looking for homes or considering moving to Grand Isle County or any of the areas nearby.
How does DSL internet in Grand Isle County compare to the rest of Vermont?
DSL internet speeds in Grand Isle County are much faster versus the average speeds in Vermont: 0.00 Mbps in Vermont versus 38 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in Vermont is 0.00% versus 99.07% in Grand Isle County.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Grand Isle County 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 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
- Clinton County, NY: less DSL coverage, slower speeds
- Franklin County, VT: less DSL coverage, slower speeds
- Franklin County, NY: less DSL coverage, faster speeds
- Orleans County, VT: less DSL coverage, slower speeds
- Essex County, VT: less DSL coverage, faster speeds
- St. Lawrence County, NY: less DSL coverage, slower speeds
- Franklin County, ME: less DSL coverage, faster speeds
- Somerset County, ME: less DSL coverage, faster speeds
- Washington County, ME: less DSL coverage, slower speeds
- Alcona County, MI: less DSL coverage, faster speeds
Counties with Similar Populations
- Haines Borough, AK: less DSL coverage, faster speeds
- Hall County, TX: less DSL coverage, faster speeds
- Hamilton County, NE: less DSL coverage, slower speeds
- Hardeman County, TX: less DSL coverage, slower speeds
- Haskell County, KS: less DSL coverage, slower speeds
- Hayes County, NE: less DSL coverage, slower speeds
- Heard County, GA: less DSL coverage, slower speeds
- Hormigueros Municipio, PR: less DSL coverage, slower speeds
- Howard County, AR: less DSL coverage, slower speeds
- Guadalupe County, NM: less DSL coverage, slower speeds