In Grafton County there is 1 residential DSL provider covering 87.24% of the county. The average home can get speeds up to 31 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 Grafton County, NH.
To see availability maps for all providers including fiber, cable, DSL, and more in Grafton County, NH please click below.
Grafton County, NH Availability Maps
DSL Internet Service Provider in Grafton 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 Grafton County are not shown.
Grafton 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 Grafton County is DSL internet available?

DSL Internet Availability Key
DSL is available in 87.24% of Grafton 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 Grafton County above to see who has service at your home.
How fast is DSL internet in Grafton County?
The map below shows maximum DSL internet speeds by area in Grafton County.

DSL Internet Speed Key
The average Grafton County home can get up to 31 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 100 Mbps, which 1.78% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 59.78% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Grafton County.
DSL internet speeds tend to be faster in the southeast parts of Grafton County, and slower in the northeast areas of the county.
Is DSL the fastest internet I can get in Grafton County?
The fastest internet for you may vary based on where in Grafton County you live. In general, fiber competes most often with DSL in the county.
- Fiber is the fastest internet type for 57.14% of Grafton County homes.
- Cable is fastest for 35.41% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 1.43%.
- Satellite internet may be the only option for 5.79% of Grafton County homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Grafton County, along with details on where in Grafton County and at what speeds.
Fidium Fiber DSL in Grafton County, NH

Fidium DSL coverage
About 87.24%, or 79,489 people, have Fidium DSL internet available to them in the county. The company covers the entire Grafton County area. Fidium is one of the largest internet service providers internet service providers in the US, with internet service available in most of Grafton County.
Fidium Fiber DSL download speeds
Fidium is below average when comparing download speeds to all other internet providers in Grafton County. Versus other DSL providers in the area, Fidium DSL is the fastest. There are 5 different maximum speeds throughout Grafton County. The fastest plan anyone in Grafton County can order from Fidium goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Grafton County customers is up to 31 Mbps.
Show all download speeds
- 2.0% up to 100.0 Mbps
- 21.1% up to 80.0 Mbps
- 8.1% up to 60.0 Mbps
- 0.2% up to 40.0 Mbps
- 68.5% up to 10.0 Mbps
Fidium Fiber DSL upload speeds
In Grafton 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 Grafton County DSL providers. Fidium offers 4 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 Grafton County is up to 40 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Fidium customers can get speeds up to 6.6 Mbps.
Show all upload speeds
- 2.0% up to 40.0 Mbps
- 21.7% up to 20.0 Mbps
- 7.7% up to 10.0 Mbps
- 68.5% up to 1.0 Mbps
Grafton County DSL by Area
This information is most helpful to those looking for homes or considering moving to Grafton County or any of the areas nearby.
How does DSL internet in Grafton County compare to the rest of New Hampshire?
DSL internet speeds in Grafton County are much faster versus the average speeds in New Hampshire: 0.00 Mbps in New Hampshire versus 31 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in New Hampshire is 0.00% versus 87.24% in Grafton County.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Grafton 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
- Orange County, VT: more DSL coverage, faster speeds
- Carroll County, NH: less DSL coverage, slower speeds
- Cumberland County, ME: less DSL coverage, slower speeds
- Sagadahoc County, ME: less DSL coverage, slower speeds
- Lewis County, NY: less DSL coverage, faster speeds
- Huron County, MI: less DSL coverage, faster speeds
- Gladwin County, MI: less DSL coverage, slower speeds
- Clare County, MI: less DSL coverage, slower speeds
- Osceola County, MI: less DSL coverage, slower speeds
- Lake County, MI: less DSL coverage, slower speeds
Counties with Similar Populations
- Orange County, TX: less DSL coverage, slower speeds
- Glynn County, GA: less DSL coverage, faster speeds
- Henderson County, TX: more DSL coverage, faster speeds
- Indiana County, PA: less DSL coverage, faster speeds
- Jefferson County, WI: less DSL coverage, faster speeds
- Lancaster County, SC: less DSL coverage, slower speeds
- Angelina County, TX: less DSL coverage, faster speeds
- Lawrence County, PA: less DSL coverage, faster speeds
- Leavenworth County, KS: less DSL coverage, faster speeds
- Lee County, MS: less DSL coverage, slower speeds


