In South Deerfield there is 1 residential DSL provider covering 95.37% of the city. The average home can get speeds up to 10 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 South Deerfield, NH.
To see availability maps for all providers including fiber, cable, DSL, and more in South Deerfield, NH please click below.
South Deerfield, NH Availability Maps
DSL Internet Service Provider in South Deerfield
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 South Deerfield are not shown.
South Deerfield 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 South Deerfield is DSL internet available?

DSL Internet Availability Key
DSL is available in 95.37% of South Deerfield. 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 South Deerfield above to see who has service at your home.
How fast is DSL internet in South Deerfield?
The map below shows maximum DSL internet speeds by area in South Deerfield.

DSL Internet Speed Key
The average South Deerfield home can get up to 10 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 10 Mbps, which 95.37% of residents can get.
Is DSL the fastest internet I can get in South Deerfield?
The fastest internet for you may vary based on where in South Deerfield you live. In general, fiber competes most often with DSL in the city.
- Fiber is the fastest internet type for 84.80% of South Deerfield homes.
- Cable is fastest for 15.20% 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 South Deerfield homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in South Deerfield, along with details on where in South Deerfield and at what speeds.
Fidium Fiber DSL in South Deerfield, NH

Fidium DSL coverage
About 95.37%, or 1,010 people, have Fidium DSL internet available to them in the city. The company covers the east, north, central, southeast, west, and south South Deerfield area. Fidium is one of the largest internet service providers internet service providers in the US, with internet service available in most of South Deerfield.
Fidium Fiber DSL download speeds
Fidium is the slowest when comparing download speeds to all other internet providers in South Deerfield. Versus other DSL providers in the area, Fidium DSL is the fastest. There are no different maximum speeds throughout South Deerfield. The fastest plan anyone in South Deerfield can order from Fidium goes up to 10 Mbps, and all South Deerfield customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
Fidium Fiber DSL upload speeds
In South Deerfield 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 South Deerfield DSL providers. Fidium offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in South Deerfield is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
South Deerfield DSL by Area
This information is most helpful to those looking for homes or considering moving to South Deerfield or any of the areas nearby.
How does DSL internet in South Deerfield compare to the rest of New Hampshire?
DSL internet speeds in South Deerfield are much faster versus the average speeds in New Hampshire: 0.00 Mbps in New Hampshire versus 10 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in New Hampshire is 0.00% versus 95.37% in South Deerfield.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around South Deerfield 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
- Deerfield, NH: less DSL coverage, faster speeds
- Deerfield Parade, NH: less DSL coverage, similar speeds
- Candia Four Corners, NH: more DSL coverage, faster speeds
- Candia, NH: more DSL coverage, faster speeds
- Leavitts Hill, NH: more DSL coverage, faster speeds
- Raymond, NH: less DSL coverage, faster speeds
- Short Falls, NH: less DSL coverage, faster speeds
- Severance, NH: more DSL coverage, similar speeds
- Northwood, NH: less DSL coverage, similar speeds
- Epsom, NH: less DSL coverage, similar speeds
Cities with Similar Populations
- Zoe, OK: less DSL coverage, similar speeds
- Brunswick, MO: less DSL coverage, similar speeds
- Cushing, MN: less DSL coverage, faster speeds
- West Chesterfield, NH: less DSL coverage, similar speeds
- White Lake, NC: less DSL coverage, faster speeds
- Whitstran, WA: less DSL coverage, faster speeds
- Bonfield, IL: less DSL coverage, similar speeds
- Wilbur Park, MO: less DSL coverage, faster speeds
- Willeyton, NC: more DSL coverage, faster speeds
- Bloomington, WI: less DSL coverage, faster speeds


