In Dover there is 1 residential Cable provider covering 99.16% of the city. The average home can get speeds up to 940 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 Dover, NJ.
To see availability maps for all providers including fiber, cable, DSL, and more in Dover, NJ please click below.
Cable Internet Service Provider in Dover
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 Dover are not shown.
Dover 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 Dover is cable internet available?
Cable Internet Availability Key
Cable is available in 99.16% of Dover. 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 Dover above to see who has service at your home.
How fast is cable internet in Dover?
The map below shows maximum cable internet speeds by area in Dover.
Cable Internet Speed Key
The average Dover home can get up to 940 Mbps on their cable internet plan. The fastest cable download speed in the city is 940 Mbps, which 99.16% of residents can get.
Is cable the fastest internet I can get in Dover?
The fastest internet for you may vary based on where in Dover you live. In general, fiber competes most often with cable in the city.
- Fiber is the fastest internet type for 99.21% of Dover 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 Dover homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Dover, along with details on where in Dover and at what speeds.
Optimum Cable in Dover, NJ
Optimum cable coverage
About 99.16%, or 23,109 people, have Optimum cable internet available to them in the city. The company covers the entire Dover area. Optimum is one of the largest internet service providers internet service providers in the US, with internet service available in most of Dover.
Optimum cable download speeds
Optimum is below average when comparing download speeds to all other internet providers in Dover. Versus other cable providers in the area, Optimum cable is the fastest. There are no different maximum speeds throughout Dover. The fastest plan anyone in Dover can order from Optimum goes up to 940 Mbps, and all Dover customers can get this speed.
Show all download speeds
- 100.0% up to 940.0 Mbps
Optimum cable upload speeds
In Dover 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 fastest compared to other Dover cable providers. Optimum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Dover is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
Dover Cable by Area
This information is most helpful to those looking for homes or considering moving to Dover or any of the areas nearby.
How does cable internet in Dover compare to the rest of New Jersey?
Cable internet speeds in Dover are much faster versus the average speeds in New Jersey: 0.00 Mbps in New Jersey versus 940 Mbps in the city. The state has similar cable availability compared to the city. Average cable coverage in New Jersey is 0.00% versus 99.16% in Dover.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Dover 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 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
- Victory Gardens, NJ: more cable coverage, similar speeds
- Wharton, NJ: less cable coverage, faster speeds
- Mine Hill, NJ: less cable coverage, similar speeds
- Rockaway, NJ: more cable coverage, faster speeds
- Randolph, NJ: more cable coverage, faster speeds
- Hurdtown, NJ: less cable coverage, similar speeds
- Denville, NJ: more cable coverage, faster speeds
- Kenvil, NJ: more cable coverage, similar speeds
- Mount Hope, NJ: more cable coverage, similar speeds
- Mount Tabor, NJ: more cable coverage, similar speeds
Cities with Similar Populations
- Crystal, MN: more cable coverage, faster speeds
- Stony Brook, NY: less cable coverage, similar speeds
- Stoneham, MA: more cable coverage, faster speeds
- Stanwood, WA: less cable coverage, faster speeds
- South San Jose Hills, CA: more cable coverage, faster speeds
- Siloam Springs, AR: less cable coverage, faster speeds
- Short Pump, VA: less cable coverage, faster speeds
- Evergreen, CO: less cable coverage, faster speeds
- Elgin, TX: less cable coverage, faster speeds
- Eden, NC: less cable coverage, faster speeds