In Nassau County there is 1 residential Cable provider covering 98.52% of the county. The average home can get speeds up to 648 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.


Cable Internet Service Provider in Nassau County

Optimum | Cable



Avg. Speed:

646 Mbps

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



Avg. Speed:

N/A: Call to bundle.


DIRECTV Satellite TV



Avg. Speed:


Not sure whether to choose Dish or DIRECTV? For most people most of the time we recommend DISH. But click here to learn more.


HughesNet Satellite Internet



Avg. Speed:

15 Mbps

(High latency)




Where in Nassau County is cable internet available?

Nassau County, NY map of cable internet availability

Cable Internet Availability Key



Cable is available in 98.52% of Nassau County. Areas in green have cable 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 Nassau County above to see who has service at your home.


How fast is cable internet in Nassau County?

The map below shows maximum cable internet speeds by area in Nassau County.

Nassau County, NY map of the fastest cable internet speeds

Cable Internet Speed Key

1 Mbps
50 Mbps
1000 Mbps+


The average Nassau County home can get up to 648 Mbps on their cable internet plan. The fastest cable download speed in the county is 1,000 Mbps, which 42.68% 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 10 Mbps. See the internet provider details below for info about their speed and coverage in Nassau County.

Cable internet speeds tend to be faster in the central parts of Nassau County, and slower in the southeast areas of the county.

Is cable the fastest internet I can get in Nassau County?

The fastest internet for you may vary based on where in Nassau County you live. In general, fiber competes most often with cable in the county.

  • Fiber is the fastest internet type for 56.24% of Nassau County homes.
  • Cable is fastest for 42.85% 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.


Cable 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 98.47%, or 1,318,990 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 above 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 11 different maximum speeds throughout Nassau County. The fastest plan anyone in Nassau County can order from Optimum goes up to 1,000 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Nassau County customers is up to 646 Mbps.

Show all download speeds

The following maximum speeds are marketed to Optimum customers in Nassau County. Cheaper plans with slower speeds may be available.

  • 43.3% up to 1,000.0 Mbps
  • 0.1% up to 700.0 Mbps
  • 7.6% up to 500.0 Mbps
  • 30.3% up to 400.0 Mbps
  • 0.0% up to 350.0 Mbps
  • 15.7% up to 300.0 Mbps
  • 2.7% up to 200.0 Mbps
  • 0.3% up to 100.0 Mbps
  • 0.0% up to 25.0 Mbps
  • 0.0% up to 20.0 Mbps
  • 0.0% up to 10.0 Mbps


Optimum cable upload speeds

In Nassau County download speeds tend to be than upload speeds for Optimum cable. Compared to other ISPs, Optimum is above average where upload speeds are concerned, and the fastest compared to other Nassau County cable providers. Optimum offers 9 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 1,000 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Optimum customers can get speeds up to 468 Mbps.

Show all upload speeds

Optimum's Nassau County cable customers can expect the following upload speeds:

  • 43.2% up to 1,000.0 Mbps
  • 1.2% up to 500.0 Mbps
  • 1.2% up to 300.0 Mbps
  • 0.0% up to 100.0 Mbps
  • 51.4% up to 50.0 Mbps
  • 3.0% up to 35.0 Mbps
  • 0.0% up to 5.0 Mbps
  • 0.0% up to 2.0 Mbps
  • 0.0% up to 1.0 Mbps





Nassau County Cable 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 cable internet in Nassau County compare to the rest of New York?

Cable internet speeds in Nassau County are comparable versus the average speeds in New York: 886 Mbps in New York versus 648 Mbps in the county. The state has similar cable availability compared to the county. Average cable coverage in New York is 97.92% versus 98.52% in Nassau County.

What zip codes have cable internet?

Cable 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.

Zip Code
Cable Coverage
Zip Code
Cable Coverage

What does cable internet 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

Counties with Similar Populations