In Harborside there are 10 residential internet providers covering 100.00% of the city. The average home can get speeds up to 1,827 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 Harborside
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 Harborside are not shown.
Harborside 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 Harborside
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 Harborside. 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 Fidium. Now you can call companies in Harborside with more confidence that they might be available.
How fast are internet speeds in Harborside?
The map below shows maximum internet speeds by area in Harborside.

Internet Speed Key
The average Harborside home can get up to 1,827 Mbps on their internet plan. For most people, the fastest download speed in the city is 2,000 Mbps, which 82.69% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 17.31% 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 Harborside.
Internet speeds tend to be faster in the southeast parts of Harborside, and slower in the northwest areas of the city.
What type of internet should I choose in Harborside?
The fastest internet for you may vary based on where in Harborside you live. If speed is your main concern, fiber will be the fastest internet in the city.
- Fiber is the fastest internet type for 100.00% of Harborside homes.
- Cable is fastest for less than 1% 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 Harborside homes.
Internet Market Health in Harborside

Internet Competition Key
The map shows how competitive the Harborside 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 Harborside based on what connections the average home has availabile:
- Average number of internet service providers to a home: 5.4 (healthy)
- Average types of service (fiber, cable, DSL, etc): 2.4 (unhealthy)
- Average providers with broadband (25 Mbps+) speeds: 4.2 (healthy)
Overall, competition is healthy.
Harborside 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, Harborside homes have between 1 and 3 options. The type(s) of service available are fiber, fixed wireless, 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. Harborside internet customers who want faster speeds have between 1 and 5 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, Harborside is doing better than most.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Harborside, along with details on where in Harborside and at what speeds.
Fidium Fiber Fiber in Harborside, ME

Fidium fiber coverage
About 82.69%, or 258 people, have Fidium fiber internet available to them in the city. The company covers the southeast, south, northeast, east, and central Harborside area. Fidium is one of the largest internet service providers internet service providers in the US, with internet service available in much of Harborside.
Fidium Fiber fiber download speeds
Fidium is the fastest when comparing download speeds to all other internet providers in Harborside. Versus other fiber providers in the area, Fidium fiber is the fastest. There are no different maximum speeds throughout Harborside. The fastest plan anyone in Harborside can order from Fidium goes up to 2,000 Mbps, and all Harborside customers can get this speed.
Show all download speeds
- 100.0% up to 2,000.0 Mbps
Fidium Fiber fiber upload speeds
In Harborside 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 Harborside fiber providers. Fidium offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Harborside is up to 2,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 2,000.0 Mbps
Fidium Fiber DSL in Harborside, ME

Fidium DSL coverage
About 45.19%, or 141 people, have Fidium DSL internet available to them in the city. The company covers the southeast, northwest, and east Harborside area. Fidium is one of the largest internet service providers internet service providers in the US, with internet service available in some of Harborside.
Fidium Fiber DSL download speeds
Fidium is one of the slowest when comparing download speeds to all other internet providers in Harborside. Versus other DSL providers in the area, Fidium DSL is the fastest. There are no different maximum speeds throughout Harborside. The fastest plan anyone in Harborside can order from Fidium goes up to 10 Mbps, and all Harborside customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
Fidium Fiber DSL upload speeds
In Harborside download speeds tend to be faster than than upload speeds for Fidium DSL. Compared to other ISPs, Fidium is one of the slowest where upload speeds are concerned, and the fastest compared to other Harborside DSL providers. Fidium offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Harborside is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
Islesboro Municipal Broadband (IMB) Fiber in Harborside, ME

Islesboro Municipal Broadband fiber coverage
About 17.31%, or 54 people, have Islesboro Municipal Broadband fiber internet available to them in the city. The company covers the northwest Harborside area. Islesboro Municipal Broadband is one of the smallest internet service providers internet service providers in the US, with internet service available in a small portion of Harborside.
Islesboro Municipal Broadband (IMB) fiber download speeds
Islesboro Municipal Broadband is above average when comparing download speeds to all other internet providers in Harborside. Versus other fiber providers in the area, Islesboro Municipal Broadband fiber is the slowest. There are no different maximum speeds throughout Harborside. The fastest plan anyone in Harborside can order from Islesboro Municipal Broadband goes up to 1,000 Mbps, and all Harborside customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Islesboro Municipal Broadband (IMB) fiber upload speeds
In Harborside download speeds tend to be equal to than upload speeds for Islesboro Municipal Broadband fiber. Compared to other ISPs, Islesboro Municipal Broadband is above average where upload speeds are concerned, and the slowest compared to other Harborside fiber providers. Islesboro Municipal Broadband offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Harborside 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 Harborside, ME

T-Mobile Home Internet fixed wireless coverage
About 95.19%, or 297 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire Harborside 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 Harborside.
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 Harborside. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is average. There are 2 different maximum speeds throughout Harborside. The fastest plan anyone in Harborside 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 Harborside customers is up to 71 Mbps.
Show all download speeds
- 61.3% up to 100.0 Mbps
- 38.7% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Harborside 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 Harborside 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 Harborside 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 13 Mbps.
Show all upload speeds
- 61.3% up to 20.0 Mbps
- 38.7% up to 3.0 Mbps
EarthLink Fixed Wireless in Harborside, ME

EarthLink fixed wireless coverage
About 76.28%, or 238 people, have EarthLink fixed wireless internet available to them in the city. The company covers the northeast, east, southeast, northwest, and south Harborside area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Harborside.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Harborside. Versus other fixed wireless providers in the area, EarthLink fixed wireless is below average. There are no different maximum speeds throughout Harborside. The fastest plan anyone in Harborside can order from EarthLink goes up to 25 Mbps, and all Harborside customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Harborside 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 below average compared to other Harborside fixed wireless providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Harborside 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 Harborside, ME

AT&T fixed wireless coverage
About 76.28%, or 238 people, have AT&T fixed wireless internet available to them in the city. The company covers the northeast, east, southeast, northwest, and south Harborside area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of Harborside.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in Harborside. Versus other fixed wireless providers in the area, AT&T fixed wireless is below average. There are no different maximum speeds throughout Harborside. The fastest plan anyone in Harborside can order from AT&T goes up to 25 Mbps, and all Harborside customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Harborside 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 below average compared to other Harborside fixed wireless providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Harborside is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
US Cellular Fixed Wireless in Harborside, ME

US Cellular fixed wireless coverage
About 75.32%, or 235 people, have US Cellular fixed wireless internet available to them in the city. The company covers the southeast, northeast, northwest, south, and central Harborside area. US Cellular is one of the largest internet service providers internet service providers in the US, with internet service available in much of Harborside.
US Cellular fixed wireless download speeds
US Cellular is one of the slowest when comparing download speeds to all other internet providers in Harborside. Versus other fixed wireless providers in the area, US Cellular fixed wireless is the slowest. There are no different maximum speeds throughout Harborside. The fastest plan anyone in Harborside can order from US Cellular goes up to 10 Mbps, and all Harborside customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
US Cellular fixed wireless upload speeds
In Harborside download speeds tend to be faster than than upload speeds for US Cellular fixed wireless. Compared to other ISPs, US Cellular is one of the slowest where upload speeds are concerned, and the slowest compared to other Harborside fixed wireless providers. US Cellular offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Harborside is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
Verizon Fixed Wireless in Harborside, ME

Verizon fixed wireless coverage
About 47.76%, or 149 people, have Verizon fixed wireless internet available to them in the city. The company covers the east, southeast, and northeast Harborside area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in some of Harborside.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Harborside. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout Harborside. The fastest plan anyone in Harborside can order from Verizon goes up to 300 Mbps, and all Harborside customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Harborside 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 Harborside fixed wireless providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Harborside is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Redzone Wireless Fixed Wireless in Harborside, ME

Redzone Wireless fixed wireless coverage
About 28.85%, or 90 people, have Redzone Wireless fixed wireless internet available to them in the city. The company covers the northwest, northeast, and central Harborside area. Redzone Wireless is a large internet service provider internet service providers in the US, with internet service available in a small portion of Harborside.
Redzone Wireless fixed wireless download speeds
Redzone Wireless is below average when comparing download speeds to all other internet providers in Harborside. Versus other fixed wireless providers in the area, Redzone Wireless fixed wireless is below average. There are no different maximum speeds throughout Harborside. The fastest plan anyone in Harborside can order from Redzone Wireless goes up to 50 Mbps, and all Harborside customers can get this speed.
Show all download speeds
- 100.0% up to 50.0 Mbps
Redzone Wireless fixed wireless upload speeds
In Harborside download speeds tend to be faster than than upload speeds for Redzone Wireless fixed wireless. Compared to other ISPs, Redzone Wireless is below average where upload speeds are concerned, and above average compared to other Harborside fixed wireless providers. Redzone Wireless offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Harborside is up to 15 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 15.0 Mbps
Harborside Internet by Area
This information is most helpful to those looking for homes or considering moving to Harborside or any of the areas nearby.
How does internet in Harborside compare to the rest of Maine?
Internet speeds in Harborside are comparable versus the average speeds in Maine: 1,729 Mbps in Maine versus 1,827 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in Maine is 98.93% versus 100.00% in Harborside.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Harborside 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
- Castine, ME: less internet coverage, faster speeds
- West Brooksville, ME: less internet coverage, faster speeds
- Brooksville, ME: equal internet coverage, faster speeds
- Norumbega, ME: equal internet coverage, faster speeds
- Islesboro, ME: less internet coverage, slower speeds
- Little Deer Isle, ME: less internet coverage, faster speeds
- West Penobscot, ME: equal internet coverage, slower speeds
- Sargentville, ME: less internet coverage, faster speeds
- Sedgwick, ME: equal internet coverage, faster speeds
- South Penobscot, ME: equal internet coverage, faster speeds
Cities with Similar Populations
- Alger, WA: equal internet coverage, slower speeds
- Alma, WV: less internet coverage, slower speeds
- Alquina, IN: equal internet coverage, slower speeds
- Alton Station, KY: equal internet coverage, faster speeds
- Altona, IN: equal internet coverage, faster speeds
- Zebina, GA: less internet coverage, slower speeds
- Anchor, IL: equal internet coverage, faster speeds
- Anderson, KY: equal internet coverage, faster speeds
- Anniston, MO: less internet coverage, slower speeds
- Aquilla, OH: equal internet coverage, slower speeds


