In Sussex County there is 1 residential Cable provider covering 99.03% of the county. The average home can get speeds up to 945 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 Cable internet providers in Sussex County, NJ.
To see availability maps for all providers including fiber, cable, DSL, and more in Sussex County, NJ please click below.
Sussex County, NJ Availability Maps
Cable Internet Service Provider in Sussex 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 Sussex County are not shown.
Sussex 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
Where in Sussex County is cable internet available?
Cable Internet Availability Key
Cable is available in 99.03% of Sussex 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 Sussex County above to see who has service at your home.
How fast is cable internet in Sussex County?
The map below shows maximum cable internet speeds by area in Sussex County.
Cable Internet Speed Key
The average Sussex County home can get up to 945 Mbps on their cable internet plan. The fastest cable download speed in the county is 2,000 Mbps, which less than 1% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 98.28% of homes can only purchase plans up to 940 Mbps. See the internet provider details below for info about their speed and coverage in Sussex County.
Cable internet speeds tend to be faster in the northeast parts of Sussex County, and slower in the east areas of the county.
Is cable the fastest internet I can get in Sussex County?
The fastest internet for you may vary based on where in Sussex County you live. In general, fiber competes most often with cable in the county.
- Fiber is the fastest internet type for 90.93% of Sussex County homes.
- Cable is fastest for 8.84% 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 Sussex County homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Sussex County, along with details on where in Sussex County and at what speeds.
Optimum Cable in Sussex County, NJ
Optimum cable coverage
About 99.03%, or 142,824 people, have Optimum cable internet available to them in the county. The company covers the entire Sussex County area. Optimum is one of the largest internet service providers internet service providers in the US, with internet service available in most of Sussex County.
Optimum cable download speeds
Optimum is below average when comparing download speeds to all other internet providers in Sussex County. Versus other cable providers in the area, Optimum cable is the slowest. There are no different maximum speeds throughout Sussex County. The fastest plan anyone in Sussex County can order from Optimum goes up to 940 Mbps, and all Sussex County customers can get this speed.
Show all download speeds
- 100.0% up to 940.0 Mbps
Optimum cable upload speeds
In Sussex 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 the slowest compared to other Sussex County cable providers. Optimum offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Sussex County is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
Sussex County Cable by Area
This information is most helpful to those looking for homes or considering moving to Sussex County or any of the areas nearby.
How does cable internet in Sussex County compare to the rest of New Jersey?
Cable internet speeds in Sussex County are much faster versus the average speeds in New Jersey: 0.00 Mbps in New Jersey versus 945 Mbps in the county. The state has similar cable availability compared to the county. Average cable coverage in New Jersey is 0.00% versus 99.03% in Sussex County.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Sussex County are shown below. You can enter any zip code here to see TV and internet providers by zip code.
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
- Passaic County, NJ: less cable coverage, faster speeds
- Rockland County, NY: less cable coverage, slower speeds
- Bergen County, NJ: more cable coverage, faster speeds
- Monroe County, PA: less cable coverage, faster speeds
- Westchester County, NY: less cable coverage, faster speeds
- Luzerne County, PA: less cable coverage, faster speeds
- Columbia County, PA: less cable coverage, faster speeds
- Montour County, PA: less cable coverage, faster speeds
- Union County, PA: less cable coverage, faster speeds
- Clinton County, PA: less cable coverage, faster speeds
Counties with Similar Populations
- Boone County, KY: less cable coverage, faster speeds
- Rowan County, NC: less cable coverage, faster speeds
- Schuylkill County, PA: less cable coverage, faster speeds
- Spotsylvania County, VA: less cable coverage, faster speeds
- Taylor County, TX: less cable coverage, slower speeds
- Livingston Parish, LA: less cable coverage, faster speeds
- Lebanon County, PA: less cable coverage, faster speeds
- Warren County, KY: less cable coverage, faster speeds
- Kaufman County, TX: less cable coverage, slower speeds
- Washington County, WI: less cable coverage, faster speeds