In Alton Bay there are 10 residential internet providers covering 99.80% of the city. The average home can get speeds up to 1,208 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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10 Internet Service Providers in Alton Bay
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 Alton Bay are not shown.
Alton Bay 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 Alton Bay
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 99.80% of Alton Bay. 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 Atlantic Broadband. Now you can call companies in Alton Bay with more confidence that they might be available.
How fast are internet speeds in Alton Bay?
The map below shows maximum internet speeds by area in Alton Bay.
Internet Speed Key
The average Alton Bay home can get up to 1,208 Mbps on their internet plan. For most people, the fastest download speed in the city is 2,000 Mbps, which 21.04% 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 10 Mbps. See the internet provider details below for info about their speed and coverage in Alton Bay.
Internet speeds tend to be faster in the northwest parts of Alton Bay, and slower in the north areas of the city.
What type of internet should I choose in Alton Bay?
The fastest internet for you may vary based on where in Alton Bay you live. If speed is your main concern, fiber will be the fastest internet in the city.
- Fiber is the fastest internet type for 71.92% of Alton Bay homes.
- Cable is fastest for 27.55% 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 Alton Bay homes.
Internet Market Health in Alton Bay
Internet Competition Key
The map shows how competitive the Alton Bay 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 Alton Bay based on what connections the average home has availabile:
- Average number of internet service providers to a home: 5.0 (healthy)
- Average types of service (fiber, cable, DSL, etc): 3.3 (very healthy)
- Average providers with broadband (25 Mbps+) speeds: 3.9 (unhealthy)
Overall, competition is healthy.
Alton Bay internet customers have the ability to buy internet service from 1 to 8 different providers, depending on where they live. For different types of service, Alton Bay 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. Alton Bay internet customers who want faster speeds have between 0 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, Alton Bay is doing better than most.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Alton Bay, along with details on where in Alton Bay and at what speeds.
Atlantic Broadband Cable in Alton Bay, NH
Atlantic Broadband cable coverage
About 98.32%, or 2,402 people, have Atlantic Broadband cable internet available to them in the city. The company covers the entire Alton Bay area. Atlantic Broadband is a large internet service provider internet service providers in the US, with internet service available in most of Alton Bay.
Atlantic Broadband cable download speeds
Atlantic Broadband is above average when comparing download speeds to all other internet providers in Alton Bay. Versus other cable providers in the area, Atlantic Broadband cable is the slowest. There are no different maximum speeds throughout Alton Bay. The fastest plan anyone in Alton Bay can order from Atlantic Broadband goes up to 1,000 Mbps, and all Alton Bay customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Atlantic Broadband cable upload speeds
In Alton Bay download speeds tend to be faster than than upload speeds for Atlantic Broadband cable. Compared to other ISPs, Atlantic Broadband is below average where upload speeds are concerned, and the slowest compared to other Alton Bay cable providers. Atlantic Broadband offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Alton Bay is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
TDS Fiber in Alton Bay, NH
TDS fiber coverage
About 75.69%, or 1,849 people, have TDS fiber internet available to them in the city. The company covers the entire Alton Bay area. TDS is a large internet service provider internet service providers in the US, with internet service available in much of Alton Bay.
TDS fiber download speeds
TDS is above average when comparing download speeds to all other internet providers in Alton Bay. Versus other fiber providers in the area, TDS fiber is one of the fastest. There are no different maximum speeds throughout Alton Bay. The fastest plan anyone in Alton Bay can order from TDS goes up to 1,000 Mbps, and all Alton Bay customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
TDS fiber upload speeds
In Alton Bay download speeds tend to be equal to than upload speeds for TDS fiber. Compared to other ISPs, TDS is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Alton Bay fiber providers. TDS offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Alton Bay 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 DSL in Alton Bay, NH
Fidium DSL coverage
About 48.87%, or 1,194 people, have Fidium DSL internet available to them in the city. The company covers the northwest, central, north, and northeast Alton Bay area. Fidium is one of the largest internet service providers internet service providers in the US, with internet service available in some of Alton Bay.
Fidium Fiber DSL download speeds
Fidium is below average when comparing download speeds to all other internet providers in Alton Bay. Versus other DSL providers in the area, Fidium DSL is the slowest. There are 3 different maximum speeds throughout Alton Bay. The fastest plan anyone in Alton Bay can order from Fidium goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Alton Bay customers is up to 40 Mbps.
Show all download speeds
- 31.7% up to 100.0 Mbps
- 1.5% up to 80.0 Mbps
- 66.8% up to 10.0 Mbps
Fidium Fiber DSL upload speeds
In Alton Bay 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 fastest compared to other Alton Bay DSL providers. Fidium offers 3 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 Alton Bay 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 14 Mbps.
Show all upload speeds
- 31.7% up to 40.0 Mbps
- 1.5% up to 20.0 Mbps
- 66.8% up to 1.0 Mbps
XFINITY from Comcast Cable in Alton Bay, NH
XFINITY cable coverage
About 21.04%, or 514 people, have XFINITY cable internet available to them in the city. The company covers the northwest Alton Bay area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Alton Bay.
XFINITY from Comcast cable download speeds
XFINITY is the fastest when comparing download speeds to all other internet providers in Alton Bay. Versus other cable providers in the area, XFINITY cable is the fastest. There are no different maximum speeds throughout Alton Bay. The fastest plan anyone in Alton Bay can order from XFINITY goes up to 2,000 Mbps, and all Alton Bay customers can get this speed.
Show all download speeds
- 100.0% up to 2,000.0 Mbps
XFINITY from Comcast cable upload speeds
In Alton Bay download speeds tend to be faster than than upload speeds for XFINITY cable. Compared to other ISPs, XFINITY is above average where upload speeds are concerned, and the fastest compared to other Alton Bay cable providers. XFINITY offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Alton Bay is up to 250 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 250.0 Mbps
TDS DSL in Alton Bay, NH
TDS DSL coverage
About 10.52%, or 257 people, have TDS DSL internet available to them in the city. The company covers the central, north, and northeast Alton Bay area. TDS is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Alton Bay.
TDS DSL download speeds
TDS is below average when comparing download speeds to all other internet providers in Alton Bay. Versus other DSL providers in the area, TDS DSL is the fastest. There are 2 different maximum speeds throughout Alton Bay. The fastest plan anyone in Alton Bay can order from TDS goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Alton Bay customers is up to 84 Mbps.
Show all download speeds
- 82.1% up to 100.0 Mbps
- 17.9% up to 10.0 Mbps
TDS DSL upload speeds
In Alton Bay 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 slowest compared to other Alton Bay DSL providers. TDS 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 Alton Bay 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 12 Mbps.
Show all upload speeds
- 82.1% up to 15.0 Mbps
- 17.9% up to 1.0 Mbps
T-Mobile Home Internet Fixed Wireless in Alton Bay, NH
T-Mobile Home Internet fixed wireless coverage
About 92.26%, or 2,254 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire Alton Bay 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 Alton Bay.
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 Alton Bay. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is the fastest. There are 2 different maximum speeds throughout Alton Bay. The fastest plan anyone in Alton Bay 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 Alton Bay customers is up to 65 Mbps.
Show all download speeds
- 53.5% up to 100.0 Mbps
- 46.5% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Alton Bay 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 the fastest compared to other Alton Bay 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 Alton Bay 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 12 Mbps.
Show all upload speeds
- 53.5% up to 20.0 Mbps
- 46.5% up to 3.0 Mbps
US Cellular Fixed Wireless in Alton Bay, NH
US Cellular fixed wireless coverage
About 75.81%, or 1,852 people, have US Cellular fixed wireless internet available to them in the city. The company covers the central, northwest, north, southeast, east, northeast, and south Alton Bay area. US Cellular is one of the largest internet service providers internet service providers in the US, with internet service available in much of Alton Bay.
US Cellular fixed wireless download speeds
US Cellular is the slowest when comparing download speeds to all other internet providers in Alton Bay. Versus other fixed wireless providers in the area, US Cellular fixed wireless is the slowest. There are 2 different maximum speeds throughout Alton Bay. The fastest plan anyone in Alton Bay can order from US Cellular goes up to 25 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Alton Bay customers is up to 12 Mbps.
Show all download speeds
- 11.0% up to 25.0 Mbps
- 89.0% up to 10.0 Mbps
US Cellular fixed wireless upload speeds
In Alton Bay download speeds tend to be faster than than upload speeds for US Cellular fixed wireless. Compared to other ISPs, US Cellular is the slowest where upload speeds are concerned, and the slowest compared to other Alton Bay fixed wireless providers. US Cellular 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 Alton Bay is up to 3.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, US Cellular customers can get speeds up to 1.2 Mbps.
Show all upload speeds
- 11.0% up to 3.0 Mbps
- 89.0% up to 1.0 Mbps
EarthLink Fixed Wireless in Alton Bay, NH
EarthLink fixed wireless coverage
About 36.10%, or 882 people, have EarthLink fixed wireless internet available to them in the city. The company covers the northwest, north, central, northeast, and southwest Alton Bay area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in some of Alton Bay.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Alton Bay. Versus other fixed wireless providers in the area, EarthLink fixed wireless is average. There are no different maximum speeds throughout Alton Bay. The fastest plan anyone in Alton Bay can order from EarthLink goes up to 25 Mbps, and all Alton Bay customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Alton Bay 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 average compared to other Alton Bay fixed wireless providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Alton Bay 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 Alton Bay, NH
AT&T fixed wireless coverage
About 36.10%, or 882 people, have AT&T fixed wireless internet available to them in the city. The company covers the northwest, north, central, northeast, and southwest Alton Bay area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in some of Alton Bay.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in Alton Bay. Versus other fixed wireless providers in the area, AT&T fixed wireless is average. There are no different maximum speeds throughout Alton Bay. The fastest plan anyone in Alton Bay can order from AT&T goes up to 25 Mbps, and all Alton Bay customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Alton Bay 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 average compared to other Alton Bay fixed wireless providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Alton Bay is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
Alton Bay Internet by Area
This information is most helpful to those looking for homes or considering moving to Alton Bay or any of the areas nearby.
How does internet in Alton Bay compare to the rest of New Hampshire?
Internet speeds in Alton Bay are slower versus the average speeds in New Hampshire: 1,970 Mbps in New Hampshire versus 1,208 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in New Hampshire is 98.83% versus 99.80% in Alton Bay.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Alton Bay 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
- East Alton, NH: more internet coverage, slower speeds
- Alton, NH: less internet coverage, slower speeds
- Gilmanton Iron Works, NH: more internet coverage, faster speeds
- Wolfeboro Falls, NH: more internet coverage, slower speeds
- Wolfeboro, NH: more internet coverage, faster speeds
- Gilford, NH: more internet coverage, faster speeds
- South Wolfeboro, NH: more internet coverage, slower speeds
- Mirror Lake, NH: more internet coverage, faster speeds
- New Durham, NH: more internet coverage, slower speeds
- Gilmanton, NH: less internet coverage, faster speeds
Cities with Similar Populations
- Atlantic Beach, NY: more internet coverage, faster speeds
- Westmorland, CA: less internet coverage, slower speeds
- Port Sulphur, LA: less internet coverage, slower speeds
- Ronda, NC: more internet coverage, slower speeds
- Gates, NC: less internet coverage, faster speeds
- Mize, MS: less internet coverage, slower speeds
- Ganado, AZ: less internet coverage, slower speeds
- Bedias, TX: less internet coverage, faster speeds
- Mishicot, WI: more internet coverage, faster speeds
- Chester, CA: more internet coverage, faster speeds