In Nassau County there are 7 residential internet providers covering 99.65% of the county. The average home can get speeds up to 7,805 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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7 Internet Service Providers in Nassau County
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 Nassau County are not shown.
Nassau County 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 Nassau County
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 99.65% of Nassau County. 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 Nassau County with more confidence that they might be available.
How fast are internet speeds in Nassau County?
The map below shows maximum internet speeds by area in Nassau County.
Internet Speed Key
The average Nassau County home can get up to 7,805 Mbps on their internet plan. For most people, the fastest download speed in the county is 8,000 Mbps, which 96.57% 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 940 Mbps. See the internet provider details below for info about their speed and coverage in Nassau County.
Internet speeds tend to be faster in the south parts of Nassau County, and slower in the central areas of the county.
What type of internet should I choose in Nassau County?
The fastest internet for you may vary based on where in Nassau County you live. If speed is your main concern, fiber will be the fastest internet in the county.
- Fiber is the fastest internet type for 99.43% of Nassau County homes.
- Cable is fastest for less than 1% of the county.
- 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 Nassau County homes.
Internet Market Health in Nassau County
Internet Competition Key
The map shows how competitive the Nassau County 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 Nassau County based on what connections the average home has availabile:
- Average number of internet service providers to a home: 5.1 (unhealthy)
- Average types of service (fiber, cable, DSL, etc): 3.0 (healthy)
- Average providers with broadband (25 Mbps+) speeds: 5.1 (healthy)
Overall, competition is healthy.
Nassau County 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, Nassau County homes have between 1 and 4 options. The type(s) of service available are fiber, cable, fixed wireless, and dsl, though these may vary depending on the region within the county.
When it comes to broadband download speeds faster than 25 Mbps, the situation is worse. Nassau County internet customers who want faster speeds have between 1 and 8 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, Nassau County is doing better than most.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Nassau County, along with details on where in Nassau County and at what speeds.
Optimum Cable in Nassau County, NY
Optimum cable coverage
About 99.39%, or 1,387,271 people, have Optimum cable internet available to them in the county. The company covers the entire Nassau County area. Optimum is one of the largest internet service providers internet service providers in the US, with internet service available in most of Nassau County.
Optimum cable download speeds
Optimum is below average when comparing download speeds to all other internet providers in Nassau County. Versus other cable providers in the area, Optimum cable is the slowest. There are no different maximum speeds throughout Nassau County. The fastest plan anyone in Nassau County can order from Optimum goes up to 940 Mbps, and all Nassau County customers can get this speed.
Show all download speeds
- 100.0% up to 940.0 Mbps
Optimum cable upload speeds
In Nassau County 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 one of the slowest compared to other Nassau County cable providers. Optimum offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Nassau County is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
EarthLink Fiber in Nassau County, NY
EarthLink fiber coverage
About 99.31%, or 1,386,192 people, have EarthLink fiber internet available to them in the county. The company covers the entire Nassau County area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Nassau County.
EarthLink fiber download speeds
EarthLink is average when comparing download speeds to all other internet providers in Nassau County. Versus other fiber providers in the area, EarthLink fiber is below average. There are 3 different maximum speeds throughout Nassau County. The fastest plan anyone in Nassau County can order from EarthLink goes up to 2,048 Mbps, the slowest package only goes up to 75 Mbps, and the county-wide average maximum speed for Nassau County customers is up to 1,777 Mbps.
Show all download speeds
- 75.6% up to 2,048.0 Mbps
- 24.4% up to 940.0 Mbps
- 0.0% up to 75.0 Mbps
EarthLink fiber upload speeds
In Nassau County download speeds tend to be faster than than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is above average where upload speeds are concerned, and below average compared to other Nassau County fiber providers. EarthLink offers 3 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Nassau County is up to 2,048 Mbps. Some customers have slower plan choices, which only go up to 75 Mbps. On average, EarthLink customers can get speeds up to 1,763 Mbps.
Show all upload speeds
- 75.6% up to 2,048.0 Mbps
- 24.4% up to 880.0 Mbps
- 0.0% up to 75.0 Mbps
Verizon Fiber in Nassau County, NY
Verizon fiber coverage
About 99.31%, or 1,386,192 people, have Verizon fiber internet available to them in the county. The company covers the entire Nassau County area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in most of Nassau County.
Verizon fiber download speeds
Verizon is average when comparing download speeds to all other internet providers in Nassau County. Versus other fiber providers in the area, Verizon fiber is below average. There are 3 different maximum speeds throughout Nassau County. The fastest plan anyone in Nassau County can order from Verizon goes up to 2,048 Mbps, the slowest package only goes up to 75 Mbps, and the county-wide average maximum speed for Nassau County customers is up to 1,777 Mbps.
Show all download speeds
- 75.6% up to 2,048.0 Mbps
- 24.4% up to 940.0 Mbps
- 0.0% up to 75.0 Mbps
Verizon fiber upload speeds
In Nassau County download speeds tend to be faster than than upload speeds for Verizon fiber. Compared to other ISPs, Verizon is above average where upload speeds are concerned, and below average compared to other Nassau County fiber providers. Verizon offers 3 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Nassau County is up to 2,048 Mbps. Some customers have slower plan choices, which only go up to 75 Mbps. On average, Verizon customers can get speeds up to 1,763 Mbps.
Show all upload speeds
- 75.6% up to 2,048.0 Mbps
- 24.4% up to 880.0 Mbps
- 0.0% up to 75.0 Mbps
Optimum Fiber in Nassau County, NY
Optimum fiber coverage
About 96.57%, or 1,347,879 people, have Optimum fiber internet available to them in the county. The company covers the entire Nassau County area. Optimum is one of the largest internet service providers internet service providers in the US, with internet service available in most of Nassau County.
Optimum fiber download speeds
Optimum is the fastest when comparing download speeds to all other internet providers in Nassau County. Versus other fiber providers in the area, Optimum fiber is the fastest. There are no different maximum speeds throughout Nassau County. The fastest plan anyone in Nassau County can order from Optimum goes up to 8,000 Mbps, and all Nassau County customers can get this speed.
Show all download speeds
- 100.0% up to 8,000.0 Mbps
Optimum fiber upload speeds
In Nassau County 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 Nassau County fiber providers. Optimum offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Nassau County is up to 8,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 8,000.0 Mbps
Spectrum Cable in Nassau County, NY
Spectrum cable coverage
About 1.11%, or 15,427 people, have Spectrum cable internet available to them in the county. The company covers the southwest, west, and northwest Nassau County area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Nassau County.
Spectrum cable download speeds
Spectrum is below average when comparing download speeds to all other internet providers in Nassau County. Versus other cable providers in the area, Spectrum cable is below average. There are no different maximum speeds throughout Nassau County. The fastest plan anyone in Nassau County can order from Spectrum goes up to 1,000 Mbps, and all Nassau County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In Nassau County download speeds tend to be faster than than upload speeds for Spectrum cable. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and one of the slowest compared to other Nassau County cable providers. Spectrum offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Nassau County 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 Nassau County, NY
T-Mobile Home Internet fixed wireless coverage
About 97.27%, or 1,357,665 people, have T-Mobile Home Internet fixed wireless internet available to them in the county. The company covers the entire Nassau County 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 Nassau County.
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 Nassau County. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is the slowest. There are 2 different maximum speeds throughout Nassau County. The fastest plan anyone in Nassau County can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the county-wide average maximum speed for Nassau County customers is up to 80 Mbps.
Show all download speeds
- 73.6% up to 100.0 Mbps
- 26.4% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Nassau County 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 slowest compared to other Nassau County fixed wireless providers. T-Mobile Home Internet offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Nassau County 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 16 Mbps.
Show all upload speeds
- 73.6% up to 20.0 Mbps
- 26.4% up to 3.0 Mbps
Verizon Fixed Wireless in Nassau County, NY
Verizon fixed wireless coverage
About 16.58%, or 231,417 people, have Verizon fixed wireless internet available to them in the county. The company covers the entire Nassau County area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Nassau County.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Nassau County. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are 2 different maximum speeds throughout Nassau County. The fastest plan anyone in Nassau County can order from Verizon goes up to 1,000 Mbps, the slowest package only goes up to 300 Mbps, and the county-wide average maximum speed for Nassau County customers is up to 333 Mbps.
Show all download speeds
- 4.7% up to 1,000.0 Mbps
- 95.3% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Nassau County 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 Nassau County fixed wireless providers. Verizon offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Nassau County is up to 75 Mbps. Some customers have slower plan choices, which only go up to 20 Mbps. On average, Verizon customers can get speeds up to 23 Mbps.
Show all upload speeds
- 4.7% up to 75.0 Mbps
- 95.3% up to 20.0 Mbps
Nassau County Internet by Area
This information is most helpful to those looking for homes or considering moving to Nassau County or any of the areas nearby.
How does internet in Nassau County compare to the rest of New York?
Internet speeds in Nassau County are much faster versus the average speeds in New York: 4,072 Mbps in New York versus 7,805 Mbps in the county. The state has similar internet availability compared to the county. Average internet coverage in New York is 98.64% versus 99.65% in Nassau County.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Nassau County 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 counties?
Below are counties nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Counties
- Queens County, NY: more internet coverage, slower speeds
- Bronx County, NY: less internet coverage, slower speeds
- Kings County, NY: more internet coverage, slower speeds
- New York County, NY: less internet coverage, slower speeds
- Hudson County, NJ: less internet coverage, slower speeds
- Suffolk County, NY: less internet coverage, slower speeds
- Essex County, NJ: less internet coverage, slower speeds
- Union County, NJ: more internet coverage, slower speeds
- Morris County, NJ: less internet coverage, slower speeds
- Warren County, NJ: more internet coverage, slower speeds
Counties with Similar Populations
- Clark County, NV: less internet coverage, slower speeds
- San Bernardino County, CA: less internet coverage, slower speeds
- King County, WA: less internet coverage, slower speeds
- Santa Clara County, CA: less internet coverage, slower speeds
- Alameda County, CA: less internet coverage, slower speeds
- Allegheny County, PA: less internet coverage, slower speeds
- Wake County, NC: less internet coverage, slower speeds
- Montgomery County, MD: less internet coverage, slower speeds
- Collin County, TX: less internet coverage, slower speeds
- Contra Costa County, CA: more internet coverage, slower speeds