In Islip Terrace there are 3 residential Fiber 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.
This page contains all Fiber internet providers in Islip Terrace, NY.
To see availability maps for all providers including fiber, cable, DSL, and more in Islip Terrace, NY please click below.
Islip Terrace, NY Availability Maps
Fiber 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
Where in Islip Terrace is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 100.00% of Islip Terrace. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Optimum. Call one of the companies with service in Islip Terrace above to see who has service at your home.
How fast is fiber internet in Islip Terrace?
The map below shows maximum fiber internet speeds by area in Islip Terrace.
Fiber Internet Speed Key
The average Islip Terrace home can get up to 8,000 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 8,000 Mbps, which 100.00% of residents can get.
Is fiber the fastest internet I can get in Islip Terrace?
The fastest internet for you may vary based on where in Islip Terrace you live. In general, satellite competes most often with fiber 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.
Fiber 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
Islip Terrace Fiber 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 fiber internet in Islip Terrace compare to the rest of New York?
Fiber internet speeds in Islip Terrace are much faster versus the average speeds in New York: 0.00 Mbps in New York versus 8,000 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in New York is 0.00% versus 100.00% in Islip Terrace.
What zip codes have fiber internet?
Fiber 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 fiber internet 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 fiber coverage, similar speeds
- East Islip, NY: equal fiber coverage, slower speeds
- Islip, NY: less fiber coverage, slower speeds
- Great River, NY: equal fiber coverage, similar speeds
- Central Islip, NY: less fiber coverage, slower speeds
- Oakdale, NY: less fiber coverage, slower speeds
- Brentwood, NY: less fiber coverage, slower speeds
- Islandia, NY: less fiber coverage, similar speeds
- Bay Shore, NY: less fiber coverage, slower speeds
- North Bay Shore, NY: equal fiber coverage, similar speeds
Cities with Similar Populations
- Castaner, PR: less fiber coverage, slower speeds
- Cassopolis, MI: less fiber coverage, slower speeds
- Carver, MN: equal fiber coverage, slower speeds
- Carthage, NY: less fiber coverage, slower speeds
- Carrollton, KY: less fiber coverage, slower speeds
- Carolina Beach, NC: less fiber coverage, slower speeds
- Catawba, NC: less fiber coverage, slower speeds
- Carnation, WA: less fiber coverage, slower speeds
- Carmi, IL: less fiber coverage, slower speeds
- Carlyss, LA: less fiber coverage, slower speeds