In 03303 there are 2 residential DSL providers covering 86.28% of the zip. The average home can get speeds up to 39 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 03303, NH.
To see availability maps for all providers including fiber, cable, DSL, and more in 03303, NH please click below.
DSL Internet Service Providers in 03303
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 03303 are not shown.
03303 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 03303 is DSL internet available?
DSL Internet Availability Key
DSL is available in 86.28% of 03303. 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 03303 above to see who has service at your home.
How fast is DSL internet in 03303?
The map below shows maximum DSL internet speeds by area in 03303.
DSL Internet Speed Key
The average 03303 home can get up to 39 Mbps on their DSL internet plan. The fastest DSL download speed in the zip is 100 Mbps, which 9.11% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 46.73% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in 03303.
DSL internet speeds tend to be faster in the southwest parts of 03303, and slower in the northeast areas of the zip.
Is DSL the fastest internet I can get in 03303?
The fastest internet for you may vary based on where in 03303 you live. In general, fiber competes most often with DSL in the zip.
- Fiber is the fastest internet type for 50.37% of 03303 homes.
- Cable is fastest for 49.32% of the zip.
- 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 03303 homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in 03303, along with details on where in 03303 and at what speeds.
Fidium Fiber DSL in 03303, NH
Fidium DSL coverage
About 82.72%, or 13,432 people, have Fidium DSL internet available to them in the zip. The company covers the southeast, central, south, north, east, northwest, and northeast 03303 area. Fidium is one of the largest internet service providers internet service providers in the US, with internet service available in much of 03303.
Fidium Fiber DSL download speeds
Fidium is below average when comparing download speeds to all other internet providers in 03303. Versus other DSL providers in the area, Fidium DSL is the slowest. There are 5 different maximum speeds throughout 03303. The fastest plan anyone in 03303 can order from Fidium goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the zip-wide average maximum speed for 03303 customers is up to 32 Mbps.
Show all download speeds
- 1.3% up to 100.0 Mbps
- 13.8% up to 80.0 Mbps
- 20.2% up to 60.0 Mbps
- 2.9% up to 40.0 Mbps
- 61.9% up to 10.0 Mbps
Fidium Fiber DSL upload speeds
In 03303 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 03303 DSL providers. Fidium offers 4 different upload speeds across the zip, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in 03303 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 7.3 Mbps.
Show all upload speeds
- 1.3% up to 40.0 Mbps
- 24.7% up to 20.0 Mbps
- 12.1% up to 10.0 Mbps
- 61.9% up to 1.0 Mbps
TDS DSL in 03303, NH
TDS DSL coverage
About 10.92%, or 1,773 people, have TDS DSL internet available to them in the zip. The company covers the northwest, north, southwest, and west 03303 area. TDS is a large internet service provider internet service providers in the US, with internet service available in a very small piece of 03303.
TDS DSL download speeds
TDS is below average when comparing download speeds to all other internet providers in 03303. Versus other DSL providers in the area, TDS DSL is the fastest. There are 2 different maximum speeds throughout 03303. The fastest plan anyone in 03303 can order from TDS goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the zip-wide average maximum speed for 03303 customers is up to 76 Mbps.
Show all download speeds
- 73.5% up to 100.0 Mbps
- 26.5% up to 10.0 Mbps
TDS DSL upload speeds
In 03303 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 03303 DSL providers. TDS offers 2 different upload speeds across the zip, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in 03303 is up to 15 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, TDS customers can get speeds up to 11 Mbps.
Show all upload speeds
- 73.5% up to 15.0 Mbps
- 26.5% up to 1.0 Mbps
03303 DSL by Area
This information is most helpful to those looking for homes or considering moving to 03303 or any of the areas nearby.
How does DSL internet in 03303 compare to the rest of New Hampshire?
DSL internet speeds in 03303 are much faster versus the average speeds in New Hampshire: 0.00 Mbps in New Hampshire versus 39 Mbps in the zip. The state has similar DSL availability compared to the zip. Average DSL coverage in New Hampshire is 0.00% versus 86.28% in 03303.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around 03303 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 zip codes?
Below are zip codes nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Zip Codes
- 03224, NH: more DSL coverage, slower speeds
- 03301, NH: less DSL coverage, slower speeds
- 03229, NH: less DSL coverage, faster speeds
- 03307, NH: less DSL coverage, slower speeds
- 03268, NH: less DSL coverage, faster speeds
- 03278, NH: less DSL coverage, faster speeds
- 03304, NH: less DSL coverage, slower speeds
- 03258, NH: less DSL coverage, slower speeds
- 03046, NH: less DSL coverage, slower speeds
- 03242, NH: less DSL coverage, slower speeds
Zip Codes with Similar Populations
- 80603, CO: more DSL coverage, faster speeds
- 30354, GA: less DSL coverage, faster speeds
- 31513, GA: less DSL coverage, slower speeds
- 36854, AL: less DSL coverage, slower speeds
- 00677, PR: less DSL coverage, slower speeds
- 61520, IL: less DSL coverage, slower speeds
- 79029, TX: more DSL coverage, faster speeds
- 80465, CO: more DSL coverage, faster speeds
- 44321, OH: less DSL coverage, slower speeds
- 84087, UT: more DSL coverage, faster speeds