In Commack there are 3 residential Fiber providers covering 99.29% of the city. The average home can get speeds up to 7,635 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 Commack, NY.
To see availability maps for all providers including fiber, cable, DSL, and more in Commack, NY please click below.
Fiber Internet Service Providers in Commack
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 Commack are not shown.
Commack 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 Commack is fiber internet available?

Fiber Internet Availability Key
Fiber is available in 99.29% of Commack. 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 Commack above to see who has service at your home.
How fast is fiber internet in Commack?
The map below shows maximum fiber internet speeds by area in Commack.

Fiber Internet Speed Key
The average Commack home can get up to 7,635 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 8,000 Mbps, which 93.86% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 3.52% of homes can only purchase plans up to 940 Mbps. See the internet provider details below for info about their speed and coverage in Commack.
Fiber internet speeds tend to be faster in the central parts of Commack, and slower in the northeast areas of the city.
Is fiber the fastest internet I can get in Commack?
The fastest internet for you may vary based on where in Commack you live. In general, cable competes most often with fiber in the city.
- Fiber is the fastest internet type for 99.29% of Commack 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 Commack homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Commack, along with details on where in Commack and at what speeds.
EarthLink Fiber in Commack, NY

EarthLink fiber coverage
About 99.27%, or 26,824 people, have EarthLink fiber internet available to them in the city. The company covers the entire Commack area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Commack.
EarthLink fiber download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Commack. Versus other fiber providers in the area, EarthLink fiber is one of the slowest. There are 2 different maximum speeds throughout Commack. The fastest plan anyone in Commack 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 Commack customers is up to 1,042 Mbps.
Show all download speeds
- 9.2% up to 2,048.0 Mbps
- 90.8% up to 940.0 Mbps
EarthLink fiber upload speeds
In Commack 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 Commack 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 Commack 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 987 Mbps.
Show all upload speeds
- 9.2% up to 2,048.0 Mbps
- 90.8% up to 880.0 Mbps
Verizon Fiber in Commack, NY

Verizon fiber coverage
About 99.27%, or 26,824 people, have Verizon fiber internet available to them in the city. The company covers the entire Commack area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in most of Commack.
Verizon fiber download speeds
Verizon is below average when comparing download speeds to all other internet providers in Commack. Versus other fiber providers in the area, Verizon fiber is one of the slowest. There are 2 different maximum speeds throughout Commack. The fastest plan anyone in Commack 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 Commack customers is up to 1,042 Mbps.
Show all download speeds
- 9.2% up to 2,048.0 Mbps
- 90.8% up to 940.0 Mbps
Verizon fiber upload speeds
In Commack 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 Commack 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 Commack 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 987 Mbps.
Show all upload speeds
- 9.2% up to 2,048.0 Mbps
- 90.8% up to 880.0 Mbps
Optimum Fiber in Commack, NY

Optimum fiber coverage
About 93.86%, or 25,362 people, have Optimum fiber internet available to them in the city. The company covers the entire Commack area. Optimum is one of the largest internet service providers internet service providers in the US, with internet service available in most of Commack.
Optimum fiber download speeds
Optimum is the fastest when comparing download speeds to all other internet providers in Commack. Versus other fiber providers in the area, Optimum fiber is the fastest. There are no different maximum speeds throughout Commack. The fastest plan anyone in Commack can order from Optimum goes up to 8,000 Mbps, and all Commack customers can get this speed.
Show all download speeds
- 100.0% up to 8,000.0 Mbps
Optimum fiber upload speeds
In Commack 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 Commack fiber providers. Optimum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Commack is up to 8,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 8,000.0 Mbps
Commack Fiber by Area
This information is most helpful to those looking for homes or considering moving to Commack or any of the areas nearby.
How does fiber internet in Commack compare to the rest of New York?
Fiber internet speeds in Commack are much faster versus the average speeds in New York: 0.00 Mbps in New York versus 7,635 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in New York is 0.00% versus 99.29% in Commack.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Commack 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
- East Northport, NY: more fiber coverage, faster speeds
- Kings Park, NY: more fiber coverage, slower speeds
- Pine Aire, NY: less fiber coverage, slower speeds
- Smithtown, NY: less fiber coverage, faster speeds
- Dix Hills, NY: more fiber coverage, slower speeds
- Hauppauge, NY: more fiber coverage, slower speeds
- Fort Salonga, NY: more fiber coverage, faster speeds
- Greenlawn, NY: more fiber coverage, faster speeds
- Brentwood, NY: more fiber coverage, faster speeds
- Village of the Branch, NY: more fiber coverage, faster speeds
Cities with Similar Populations
- Waynesboro, PA: less fiber coverage, slower speeds
- Benicia, CA: less fiber coverage, slower speeds
- Bergenfield, NJ: more fiber coverage, faster speeds
- Bloomsburg, PA: less fiber coverage, slower speeds
- Westport, CT: less fiber coverage, faster speeds
- Fortuna Foothills, AZ: less fiber coverage, slower speeds
- Fort Dodge, IA: less fiber coverage, slower speeds
- West Melbourne, FL: less fiber coverage, slower speeds
- Burlington, MA: less fiber coverage, slower speeds
- Fremont, OH: less fiber coverage, faster speeds


