In Belknap County there are 2 residential DSL providers covering 84.86% of the county. The average home can get speeds up to 27 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 Belknap County, NH.
To see availability maps for all providers including fiber, cable, DSL, and more in Belknap County, NH please click below.
Belknap County, NH Availability Maps
DSL Internet Service Providers in Belknap 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 Belknap County are not shown.
Belknap 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 Belknap County is DSL internet available?
DSL Internet Availability Key
DSL is available in 84.86% of Belknap 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 Belknap County above to see who has service at your home.
How fast is DSL internet in Belknap County?
The map below shows maximum DSL internet speeds by area in Belknap County.
DSL Internet Speed Key
The average Belknap County home can get up to 27 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 100 Mbps, which 6.83% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 62.37% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Belknap County.
DSL internet speeds tend to be faster in the northeast parts of Belknap County, and slower in the west areas of the county.
Is DSL the fastest internet I can get in Belknap County?
The fastest internet for you may vary based on where in Belknap County you live. In general, cable competes most often with DSL in the county.
- Fiber is the fastest internet type for 47.59% of Belknap County homes.
- Cable is fastest for 52.23% 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 less than 1% of Belknap County homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Belknap County, along with details on where in Belknap County and at what speeds.
Fidium Fiber DSL in Belknap County, NH
Fidium DSL coverage
About 82.62%, or 52,636 people, have Fidium DSL internet available to them in the county. The company covers the entire Belknap County area. Fidium is one of the largest internet service providers internet service providers in the US, with internet service available in much of Belknap County.
Fidium Fiber DSL download speeds
Fidium is below average when comparing download speeds to all other internet providers in Belknap County. Versus other DSL providers in the area, Fidium DSL is the slowest. There are 5 different maximum speeds throughout Belknap County. The fastest plan anyone in Belknap 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 Belknap County customers is up to 26 Mbps.
Show all download speeds
- 6.9% up to 100.0 Mbps
- 7.3% up to 80.0 Mbps
- 6.4% up to 60.0 Mbps
- 4.5% up to 40.0 Mbps
- 75.0% up to 10.0 Mbps
Fidium Fiber DSL upload speeds
In Belknap 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 slowest compared to other Belknap 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 Belknap 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 6.4 Mbps.
Show all upload speeds
- 6.9% up to 40.0 Mbps
- 11.4% up to 20.0 Mbps
- 6.7% up to 10.0 Mbps
- 75.0% up to 1.0 Mbps
TDS DSL in Belknap County, NH
TDS DSL coverage
About 2.89%, or 1,841 people, have TDS DSL internet available to them in the county. The company covers the southeast and east Belknap County area. TDS is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Belknap County.
TDS DSL download speeds
TDS is below average when comparing download speeds to all other internet providers in Belknap County. Versus other DSL providers in the area, TDS DSL is the fastest. There are 4 different maximum speeds throughout Belknap County. The fastest plan anyone in Belknap County can order from TDS goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Belknap County customers is up to 53 Mbps.
Show all download speeds
- 40.4% up to 100.0 Mbps
- 11.9% up to 50.0 Mbps
- 11.4% up to 25.0 Mbps
- 36.3% up to 10.0 Mbps
TDS DSL upload speeds
In Belknap County download speeds tend to be faster than than upload speeds for TDS DSL. Compared to other ISPs, TDS is below average where upload speeds are concerned, and the fastest compared to other Belknap County DSL providers. TDS offers 5 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 Belknap County is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, TDS customers can get speeds up to 8.5 Mbps.
Show all upload speeds
- 6.6% up to 20.0 Mbps
- 33.8% up to 15.0 Mbps
- 11.9% up to 10.0 Mbps
- 11.4% up to 5.0 Mbps
- 36.3% up to 1.0 Mbps
Belknap County DSL by Area
This information is most helpful to those looking for homes or considering moving to Belknap County or any of the areas nearby.
How does DSL internet in Belknap County compare to the rest of New Hampshire?
DSL internet speeds in Belknap County are much faster versus the average speeds in New Hampshire: 0.00 Mbps in New Hampshire versus 27 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in New Hampshire is 0.00% versus 84.86% in Belknap County.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Belknap 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
- York County, ME: less DSL coverage, slower speeds
- Windsor County, VT: less DSL coverage, faster speeds
- Rutland County, VT: less DSL coverage, slower speeds
- Hamilton County, NY: less DSL coverage, faster speeds
- Tuscola County, MI: less DSL coverage, faster speeds
- Bay County, MI: less DSL coverage, faster speeds
- Midland County, MI: less DSL coverage, faster speeds
- Isabella County, MI: less DSL coverage, slower speeds
- Mecosta County, MI: less DSL coverage, slower speeds
- Newaygo County, MI: less DSL coverage, slower speeds
Counties with Similar Populations
- Adams County, IL: less DSL coverage, slower speeds
- Darlington County, SC: less DSL coverage, slower speeds
- Eddy County, NM: more DSL coverage, faster speeds
- Effingham County, GA: less DSL coverage, faster speeds
- Georgetown County, SC: less DSL coverage, slower speeds
- Coos County, OR: less DSL coverage, slower speeds
- Clay County, MN: less DSL coverage, faster speeds
- Chaves County, NM: more DSL coverage, faster speeds
- Montcalm County, MI: less DSL coverage, slower speeds
- Rutland County, VT: less DSL coverage, slower speeds