In Seabrook there are 9 residential internet providers covering 100.00% of the city. The average home can get speeds up to 1,997 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.
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9 Internet Service Providers in Seabrook
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 Seabrook are not shown.
Seabrook 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
Availability maps for all providers in Seabrook
Using the dropdown below, please select a provider. Green indicates nearly all homes have service, red indicates few homes have service, and blank indicates no service.
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Internet service is available in 100.00% of Seabrook. Using our interactive availability map, you can compare service areas for different providers, we include fiber, cable, DSL, or fixed wireless internet service for all providers who offer it. You will notice that some providers might be listed multiple times for each service. If you find no providers cover the location you're looking at, you can opt for satellite service. The most widely available provider is XFINITY. Now you can call companies in Seabrook with more confidence that they might be available.
How fast are internet speeds in Seabrook?
The map below shows maximum internet speeds by area in Seabrook.
Internet Speed Key
The average Seabrook home can get up to 1,997 Mbps on their internet plan. For most people, the fastest download speed in the city is 2,000 Mbps, which 99.65% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, less than 1% of homes can only purchase plans up to 1,200 Mbps. See the internet provider details below for info about their speed and coverage in Seabrook.
Internet speeds tend to be faster in the northwest parts of Seabrook, and slower in the south areas of the city.
What type of internet should I choose in Seabrook?
The fastest internet for you may vary based on where in Seabrook you live. If speed is your main concern, fiber will be the fastest internet in the city.
- Fiber is the fastest internet type for 98.97% of Seabrook homes.
- Cable is fastest for 1.03% 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 Seabrook homes.
Internet Market Health in Seabrook
Internet Competition Key
The map shows how competitive the Seabrook internet service market is. Areas in green have more alternatives, areas in yellow have a few choices, and areas in red may have only one provider. More competition usually means faster speeds and better prices for you, the customer.
Below are quick facts on internet competition and market health in Seabrook based on what connections the average home has availabile:
- Average number of internet service providers to a home: 4.7 (healthy)
- Average types of service (fiber, cable, DSL, etc): 3.5 (very healthy)
- Average providers with broadband (25 Mbps+) speeds: 4.2 (healthy)
Overall, competition is healthy.
Seabrook internet customers have the ability to buy internet service from 1 to 7 different providers, depending on where they live. For different types of service, Seabrook homes have between 1 and 4 options. The type(s) of service available are cable, fixed wireless, fiber, and dsl, though these may vary depending on the region within the city.
When it comes to broadband download speeds faster than 25 Mbps, the situation is worse. Seabrook internet customers who want faster speeds have between 1 and 6 choices of companies offering speeds up to or over 25 Mbps.
More internet companies with faster speeds means fewer monopolies and better prices for customers. In promoting a free market for internet, Seabrook is doing better than most.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Seabrook, along with details on where in Seabrook and at what speeds.
XFINITY from Comcast Cable in Seabrook, NH
XFINITY cable coverage
About 100.00%, or 7,454 people, have XFINITY cable internet available to them in the city. The company covers the entire Seabrook area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in every corner of Seabrook.
XFINITY from Comcast cable download speeds
XFINITY is the fastest when comparing download speeds to all other internet providers in Seabrook. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout Seabrook. The fastest plan anyone in Seabrook can order from XFINITY goes up to 2,000 Mbps, the slowest package only goes up to 1,200 Mbps, and the city-wide average maximum speed for Seabrook customers is up to 1,997 Mbps.
Show all download speeds
- 99.6% up to 2,000.0 Mbps
- 0.4% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In Seabrook download speeds tend to be faster than than upload speeds for XFINITY cable. Compared to other ISPs, XFINITY is below average where upload speeds are concerned, and the fastest compared to other Seabrook cable providers. XFINITY offers 2 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Seabrook is up to 250 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, XFINITY customers can get speeds up to 249 Mbps.
Show all upload speeds
- 99.6% up to 250.0 Mbps
- 0.4% up to 35.0 Mbps
Fidium Fiber Fiber in Seabrook, NH
Fidium fiber coverage
About 99.42%, or 7,411 people, have Fidium fiber internet available to them in the city. The company covers the entire Seabrook area. Fidium is one of the largest internet service providers internet service providers in the US, with internet service available in most of Seabrook.
Fidium Fiber fiber download speeds
Fidium is above average when comparing download speeds to all other internet providers in Seabrook. Versus other fiber providers in the area, Fidium fiber is the fastest. There are 2 different maximum speeds throughout Seabrook. The fastest plan anyone in Seabrook can order from Fidium goes up to 2,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the city-wide average maximum speed for Seabrook customers is up to 1,995 Mbps.
Show all download speeds
- 99.5% up to 2,000.0 Mbps
- 0.5% up to 1,000.0 Mbps
Fidium Fiber fiber upload speeds
In Seabrook 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 Seabrook fiber providers. Fidium offers 2 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Seabrook 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 1,995 Mbps.
Show all upload speeds
- 99.5% up to 2,000.0 Mbps
- 0.5% up to 1,000.0 Mbps
Fidium Fiber DSL in Seabrook, NH
Fidium DSL coverage
About 55.12%, or 4,109 people, have Fidium DSL internet available to them in the city. The company covers the northwest, west, central, southwest, south, and east Seabrook area. Fidium is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Seabrook.
Fidium Fiber DSL download speeds
Fidium is the slowest when comparing download speeds to all other internet providers in Seabrook. Versus other DSL providers in the area, Fidium DSL is the fastest. There are 2 different maximum speeds throughout Seabrook. The fastest plan anyone in Seabrook can order from Fidium goes up to 80 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Seabrook customers is up to 11 Mbps.
Show all download speeds
- 2.0% up to 80.0 Mbps
- 98.0% up to 10.0 Mbps
Fidium Fiber DSL upload speeds
In Seabrook 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 Seabrook DSL providers. Fidium offers 2 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Seabrook is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Fidium customers can get speeds up to 1.4 Mbps.
Show all upload speeds
- 2.0% up to 20.0 Mbps
- 98.0% up to 1.0 Mbps
Atlantic Broadband Fiber in Seabrook, NH
Atlantic Broadband fiber coverage
About 13.93%, or 1,038 people, have Atlantic Broadband fiber internet available to them in the city. The company covers the south, southwest, east, west, southeast, and northwest Seabrook area. Atlantic Broadband is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Seabrook.
Atlantic Broadband fiber download speeds
Atlantic Broadband is above average when comparing download speeds to all other internet providers in Seabrook. Versus other fiber providers in the area, Atlantic Broadband fiber is the slowest. There are no different maximum speeds throughout Seabrook. The fastest plan anyone in Seabrook can order from Atlantic Broadband goes up to 1,000 Mbps, and all Seabrook customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Atlantic Broadband fiber upload speeds
In Seabrook 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 Seabrook fiber providers. Atlantic Broadband offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Seabrook is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
T-Mobile Home Internet Fixed Wireless in Seabrook, NH
T-Mobile Home Internet fixed wireless coverage
About 99.60%, or 7,424 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire Seabrook area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in most of Seabrook.
T-Mobile Home Internet fixed wireless download speeds
T-Mobile Home Internet is below average when comparing download speeds to all other internet providers in Seabrook. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout Seabrook. The fastest plan anyone in Seabrook can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Seabrook customers is up to 83 Mbps.
Show all download speeds
- 77.3% up to 100.0 Mbps
- 22.7% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Seabrook download speeds tend to be faster than than upload speeds for T-Mobile Home Internet fixed wireless. Compared to other ISPs, T-Mobile Home Internet is below average where upload speeds are concerned, and above average compared to other Seabrook fixed wireless providers. T-Mobile Home Internet offers 2 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Seabrook is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, T-Mobile Home Internet customers can get speeds up to 16 Mbps.
Show all upload speeds
- 77.3% up to 20.0 Mbps
- 22.7% up to 3.0 Mbps
Verizon Fixed Wireless in Seabrook, NH
Verizon fixed wireless coverage
About 80.28%, or 5,984 people, have Verizon fixed wireless internet available to them in the city. The company covers the entire Seabrook area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in much of Seabrook.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Seabrook. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout Seabrook. The fastest plan anyone in Seabrook can order from Verizon goes up to 300 Mbps, and all Seabrook customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Seabrook download speeds tend to be faster than than upload speeds for Verizon fixed wireless. Compared to other ISPs, Verizon is below average where upload speeds are concerned, and the fastest compared to other Seabrook fixed wireless providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Seabrook is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
EarthLink Fixed Wireless in Seabrook, NH
EarthLink fixed wireless coverage
About 11.98%, or 893 people, have EarthLink fixed wireless internet available to them in the city. The company covers the south and central Seabrook area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Seabrook.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Seabrook. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are no different maximum speeds throughout Seabrook. The fastest plan anyone in Seabrook can order from EarthLink goes up to 25 Mbps, and all Seabrook customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Seabrook download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and one of the slowest compared to other Seabrook fixed wireless providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Seabrook is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
AT&T Fixed Wireless in Seabrook, NH
AT&T fixed wireless coverage
About 11.98%, or 893 people, have AT&T fixed wireless internet available to them in the city. The company covers the south and central Seabrook area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Seabrook.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in Seabrook. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are no different maximum speeds throughout Seabrook. The fastest plan anyone in Seabrook can order from AT&T goes up to 25 Mbps, and all Seabrook customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Seabrook download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and one of the slowest compared to other Seabrook fixed wireless providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Seabrook is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
Seabrook Internet by Area
This information is most helpful to those looking for homes or considering moving to Seabrook or any of the areas nearby.
How does internet in Seabrook compare to the rest of New Hampshire?
Internet speeds in Seabrook are comparable versus the average speeds in New Hampshire: 1,970 Mbps in New Hampshire versus 1,997 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in New Hampshire is 98.83% versus 100.00% in Seabrook.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Seabrook are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does internet service 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
- Salisbury, MA: equal internet coverage, slower speeds
- Hampton Falls, NH: less internet coverage, slower speeds
- Hampton, NH: equal internet coverage, slower speeds
- Amesbury Town, MA: less internet coverage, slower speeds
- Newburyport, MA: equal internet coverage, slower speeds
- South Hampton, NH: equal internet coverage, faster speeds
- Plum Island, MA: equal internet coverage, faster speeds
- North Hampton Center, NH: equal internet coverage, faster speeds
- Newbury, MA: less internet coverage, slower speeds
- Amesbury, MA: equal internet coverage, faster speeds
Cities with Similar Populations
- Schuyler, NE: less internet coverage, slower speeds
- Hilmar, CA: less internet coverage, slower speeds
- Hinckley, OH: less internet coverage, faster speeds
- Hitchcock, TX: less internet coverage, faster speeds
- Hobart, WA: less internet coverage, slower speeds
- Hodgenville, KY: less internet coverage, slower speeds
- Holdenville, OK: less internet coverage, slower speeds
- Lagrange, OH: equal internet coverage, faster speeds
- Royston, GA: less internet coverage, faster speeds
- Salamanca, NY: less internet coverage, slower speeds