In 03303 there are 3 residential Fiber providers covering 93.01% of the zip. The average home can get speeds up to 1,558 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 Fiber internet providers in 03303, NH.
To see availability maps for all providers including fiber, cable, DSL, and more in 03303, NH please click below.
Fiber 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 fiber internet available?
Fiber Internet Availability Key
Fiber is available in 93.01% of 03303. Areas in green have fiber 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 fiber internet in 03303?
The map below shows maximum fiber internet speeds by area in 03303.
Fiber Internet Speed Key
The average 03303 home can get up to 1,558 Mbps on their fiber internet plan. The fastest fiber download speed in the zip is 8,000 Mbps, which 1.63% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 50.94% of homes can only purchase plans up to 1,000 Mbps. See the internet provider details below for info about their speed and coverage in 03303.
Fiber internet speeds tend to be faster in the south parts of 03303, and slower in the west areas of the zip.
Is fiber the fastest internet I can get in 03303?
The fastest internet for you may vary based on where in 03303 you live. In general, cable competes most often with fiber 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.
Fiber 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.
Atlantic Broadband Fiber in 03303, NH
Atlantic Broadband fiber coverage
About 67.67%, or 10,989 people, have Atlantic Broadband fiber internet available to them in the zip. The company covers the southeast, central, south, east, north, west, and southwest 03303 area. Atlantic Broadband is a large internet service provider internet service providers in the US, with internet service available in much of 03303.
Atlantic Broadband fiber download speeds
Atlantic Broadband is above average when comparing download speeds to all other internet providers in 03303. Versus other fiber providers in the area, Atlantic Broadband fiber is the slowest. There are no different maximum speeds throughout 03303. The fastest plan anyone in 03303 can order from Atlantic Broadband goes up to 1,000 Mbps, and all 03303 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Atlantic Broadband fiber upload speeds
In 03303 download speeds tend to be equal to than upload speeds for Atlantic Broadband fiber. Compared to other ISPs, Atlantic Broadband is above average where upload speeds are concerned, and the slowest compared to other 03303 fiber providers. Atlantic Broadband offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 03303 is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Fidium Fiber Fiber in 03303, NH
Fidium fiber coverage
About 44.27%, or 7,188 people, have Fidium fiber internet available to them in the zip. The company covers the southeast, south, central, north, northwest, and east 03303 area. Fidium is one of the largest internet service providers internet service providers in the US, with internet service available in some of 03303.
Fidium Fiber fiber download speeds
Fidium is the fastest when comparing download speeds to all other internet providers in 03303. Versus other fiber providers in the area, Fidium fiber is the fastest. There are 2 different maximum speeds throughout 03303. The fastest plan anyone in 03303 can order from Fidium goes up to 2,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the zip-wide average maximum speed for 03303 customers is up to 1,926 Mbps.
Show all download speeds
- 92.6% up to 2,000.0 Mbps
- 7.4% up to 1,000.0 Mbps
Fidium Fiber fiber upload speeds
In 03303 download speeds tend to be equal to than upload speeds for Fidium fiber. Compared to other ISPs, Fidium is the fastest where upload speeds are concerned, and the fastest compared to other 03303 fiber providers. Fidium 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 2,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, Fidium customers can get speeds up to 1,926 Mbps.
Show all upload speeds
- 92.6% up to 2,000.0 Mbps
- 7.4% up to 1,000.0 Mbps
TDS Fiber in 03303, NH
TDS fiber coverage
About 31.46%, or 5,109 people, have TDS fiber internet available to them in the zip. The company covers the northwest, north, west, south, southwest, and east 03303 area. TDS is a large internet service provider internet service providers in the US, with internet service available in a small portion of 03303.
TDS fiber download speeds
TDS is above average when comparing download speeds to all other internet providers in 03303. Versus other fiber providers in the area, TDS fiber is below average. There are 2 different maximum speeds throughout 03303. The fastest plan anyone in 03303 can order from TDS goes up to 8,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the zip-wide average maximum speed for 03303 customers is up to 1,363 Mbps.
Show all download speeds
- 5.2% up to 8,000.0 Mbps
- 94.8% up to 1,000.0 Mbps
TDS fiber upload speeds
In 03303 download speeds tend to be equal to than upload speeds for TDS fiber. Compared to other ISPs, TDS is above average where upload speeds are concerned, and below average compared to other 03303 fiber 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 8,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, TDS customers can get speeds up to 1,363 Mbps.
Show all upload speeds
- 5.2% up to 8,000.0 Mbps
- 94.8% up to 1,000.0 Mbps
03303 Fiber 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 fiber internet in 03303 compare to the rest of New Hampshire?
Fiber internet speeds in 03303 are much faster versus the average speeds in New Hampshire: 0.00 Mbps in New Hampshire versus 1,558 Mbps in the zip. The state has similar fiber availability compared to the zip. Average fiber coverage in New Hampshire is 0.00% versus 93.01% in 03303.
What zip codes have fiber internet?
Fiber 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 fiber 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: less fiber coverage, faster speeds
- 03301, NH: more fiber coverage, faster speeds
- 03229, NH: more fiber coverage, slower speeds
- 03307, NH: less fiber coverage, slower speeds
- 03268, NH: more fiber coverage, slower speeds
- 03278, NH: more fiber coverage, faster speeds
- 03304, NH: more fiber coverage, faster speeds
- 03258, NH: more fiber coverage, slower speeds
- 03046, NH: more fiber coverage, slower speeds
- 03242, NH: less fiber coverage, slower speeds
Zip Codes with Similar Populations
- 80603, CO: less fiber coverage, faster speeds
- 19956, DE: less fiber coverage, faster speeds
- 30354, GA: less fiber coverage, faster speeds
- 31513, GA: less fiber coverage, faster speeds
- 36854, AL: less fiber coverage, slower speeds
- 00677, PR: less fiber coverage, slower speeds
- 61520, IL: less fiber coverage, slower speeds
- 79029, TX: less fiber coverage, faster speeds
- 80465, CO: less fiber coverage, faster speeds
- 44321, OH: less fiber coverage, faster speeds