In Islip Terrace there are 6 residential internet providers covering 100.00% of the city. The average home can get speeds up to 8,000 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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6 Internet Service Providers in Islip Terrace
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 Islip Terrace are not shown.
Islip Terrace 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 Islip Terrace
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.
Please note some providers will take longer to load than others
Internet service is available in 100.00% of Islip Terrace. 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 Optimum. Now you can call companies in Islip Terrace with more confidence that they might be available.
How fast are internet speeds in Islip Terrace?
The map below shows maximum internet speeds by area in Islip Terrace.
Internet Speed Key
The average Islip Terrace home can get up to 8,000 Mbps on their internet plan. For most people, the fastest download speed in the city is 8,000 Mbps, which 100.00% of residents can get.
What type of internet should I choose in Islip Terrace?
The fastest internet for you may vary based on where in Islip Terrace 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 Islip Terrace 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 Islip Terrace homes.
Internet Market Health in Islip Terrace
Internet Competition Key
The map shows how competitive the Islip Terrace 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 Islip Terrace 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): 2.7 (healthy)
- Average providers with broadband (25 Mbps+) speeds: 4.7 (healthy)
Overall, competition is healthy.
Islip Terrace internet customers have the ability to buy internet service from 4 to 5 different providers, depending on where they live. For different types of service, Islip Terrace homes have between 2 and 3 options. The type(s) of service available are fiber, cable, and fixed wireless, 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 similar. Islip Terrace internet customers who want faster speeds have between 4 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, Islip Terrace is doing better than most.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Islip Terrace, along with details on where in Islip Terrace and at what speeds.
Optimum Fiber in Islip Terrace, NY
Optimum fiber coverage
About 100.00%, or 6,404 people, have Optimum fiber internet available to them in the city. The company covers the entire Islip Terrace area. Optimum is one of the largest internet service providers internet service providers in the US, with internet service available in every corner of Islip Terrace.
Optimum fiber download speeds
Optimum is the fastest when comparing download speeds to all other internet providers in Islip Terrace. Versus other fiber providers in the area, Optimum fiber is the fastest. There are no different maximum speeds throughout Islip Terrace. The fastest plan anyone in Islip Terrace can order from Optimum goes up to 8,000 Mbps, and all Islip Terrace customers can get this speed.
Show all download speeds
- 100.0% up to 8,000.0 Mbps
Optimum fiber upload speeds
In Islip Terrace download speeds tend to be equal to than upload speeds for Optimum fiber. Compared to other ISPs, Optimum is the fastest where upload speeds are concerned, and the fastest compared to other Islip Terrace fiber providers. Optimum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Islip Terrace is up to 8,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 8,000.0 Mbps
EarthLink Fiber in Islip Terrace, NY
EarthLink fiber coverage
About 100.00%, or 6,404 people, have EarthLink fiber internet available to them in the city. The company covers the entire Islip Terrace area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in every corner of Islip Terrace.
EarthLink fiber download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Islip Terrace. Versus other fiber providers in the area, EarthLink fiber is one of the slowest. There are 2 different maximum speeds throughout Islip Terrace. The fastest plan anyone in Islip Terrace can order from EarthLink goes up to 2,048 Mbps, the slowest package only goes up to 940 Mbps, and the city-wide average maximum speed for Islip Terrace customers is up to 1,863 Mbps.
Show all download speeds
- 83.3% up to 2,048.0 Mbps
- 16.7% up to 940.0 Mbps
EarthLink fiber upload speeds
In Islip Terrace download speeds tend to be faster than than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and one of the slowest compared to other Islip Terrace fiber providers. EarthLink 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 Islip Terrace is up to 2,048 Mbps. Some customers have slower plan choices, which only go up to 880 Mbps. On average, EarthLink customers can get speeds up to 1,852 Mbps.
Show all upload speeds
- 83.3% up to 2,048.0 Mbps
- 16.7% up to 880.0 Mbps
Verizon Fiber in Islip Terrace, NY
Verizon fiber coverage
About 100.00%, or 6,404 people, have Verizon fiber internet available to them in the city. The company covers the entire Islip Terrace area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in every corner of Islip Terrace.
Verizon fiber download speeds
Verizon is below average when comparing download speeds to all other internet providers in Islip Terrace. Versus other fiber providers in the area, Verizon fiber is one of the slowest. There are 2 different maximum speeds throughout Islip Terrace. The fastest plan anyone in Islip Terrace can order from Verizon goes up to 2,048 Mbps, the slowest package only goes up to 940 Mbps, and the city-wide average maximum speed for Islip Terrace customers is up to 1,863 Mbps.
Show all download speeds
- 83.3% up to 2,048.0 Mbps
- 16.7% up to 940.0 Mbps
Verizon fiber upload speeds
In Islip Terrace download speeds tend to be faster than than upload speeds for Verizon fiber. Compared to other ISPs, Verizon is below average where upload speeds are concerned, and one of the slowest compared to other Islip Terrace fiber providers. Verizon 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 Islip Terrace is up to 2,048 Mbps. Some customers have slower plan choices, which only go up to 880 Mbps. On average, Verizon customers can get speeds up to 1,852 Mbps.
Show all upload speeds
- 83.3% up to 2,048.0 Mbps
- 16.7% up to 880.0 Mbps
Optimum Cable in Islip Terrace, NY
Optimum cable coverage
About 100.00%, or 6,404 people, have Optimum cable internet available to them in the city. The company covers the entire Islip Terrace area. Optimum is one of the largest internet service providers internet service providers in the US, with internet service available in every corner of Islip Terrace.
Optimum cable download speeds
Optimum is below average when comparing download speeds to all other internet providers in Islip Terrace. Versus other cable providers in the area, Optimum cable is the fastest. There are no different maximum speeds throughout Islip Terrace. The fastest plan anyone in Islip Terrace can order from Optimum goes up to 940 Mbps, and all Islip Terrace customers can get this speed.
Show all download speeds
- 100.0% up to 940.0 Mbps
Optimum cable upload speeds
In Islip Terrace download speeds tend to be faster than than upload speeds for Optimum cable. Compared to other ISPs, Optimum is below average where upload speeds are concerned, and the fastest compared to other Islip Terrace cable providers. Optimum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Islip Terrace is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
T-Mobile Home Internet Fixed Wireless in Islip Terrace, NY
T-Mobile Home Internet fixed wireless coverage
About 72.02%, or 4,612 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire Islip Terrace area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in much of Islip Terrace.
T-Mobile Home Internet fixed wireless download speeds
T-Mobile Home Internet is the slowest when comparing download speeds to all other internet providers in Islip Terrace. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is the fastest. There are 2 different maximum speeds throughout Islip Terrace. The fastest plan anyone in Islip Terrace 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 Islip Terrace customers is up to 26 Mbps.
Show all download speeds
- 1.8% up to 100.0 Mbps
- 98.2% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Islip Terrace 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 the slowest where upload speeds are concerned, and the fastest compared to other Islip Terrace 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 Islip Terrace 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 3.3 Mbps.
Show all upload speeds
- 1.8% up to 20.0 Mbps
- 98.2% up to 3.0 Mbps
Islip Terrace Internet by Area
This information is most helpful to those looking for homes or considering moving to Islip Terrace or any of the areas nearby.
How does internet in Islip Terrace compare to the rest of New York?
Internet speeds in Islip Terrace are much faster versus the average speeds in New York: 4,072 Mbps in New York versus 8,000 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in New York is 98.64% versus 100.00% in Islip Terrace.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Islip Terrace 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
- North Great River, NY: less internet coverage, similar speeds
- East Islip, NY: equal internet coverage, slower speeds
- Islip, NY: less internet coverage, slower speeds
- Great River, NY: equal internet coverage, similar speeds
- Central Islip, NY: less internet coverage, slower speeds
- Oakdale, NY: less internet coverage, slower speeds
- Brentwood, NY: less internet coverage, slower speeds
- Islandia, NY: less internet coverage, similar speeds
- Bay Shore, NY: less internet coverage, slower speeds
- North Bay Shore, NY: equal internet coverage, similar speeds
Cities with Similar Populations
- Carneys Point, NJ: equal internet coverage, slower speeds
- Catasauqua, PA: equal internet coverage, slower speeds
- Castleton On Hudson, NY: equal internet coverage, slower speeds
- Castaner, PR: less internet coverage, slower speeds
- Cassopolis, MI: less internet coverage, slower speeds
- Carver, MN: equal internet coverage, slower speeds
- Carthage, NY: less internet coverage, slower speeds
- Carrollton, KY: less internet coverage, slower speeds
- Carrizo Springs, TX: less internet coverage, slower speeds
- Carolina Beach, NC: less internet coverage, slower speeds