In Martinsville there are 2 residential Cable providers covering 100.00% of the city. The average home can get speeds up to 1,068 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 Martinsville, NJ.
To see availability maps for all providers including fiber, cable, DSL, and more in Martinsville, NJ please click below.
Martinsville, NJ Availability Maps
Cable Internet Service Providers in Martinsville
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 Martinsville are not shown.
Martinsville 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 Martinsville is cable internet available?
Cable Internet Availability Key
Cable is available in 100.00% of Martinsville. 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 Martinsville above to see who has service at your home.
How fast is cable internet in Martinsville?
The map below shows maximum cable internet speeds by area in Martinsville.
Cable Internet Speed Key
The average Martinsville home can get up to 1,068 Mbps on their cable internet plan. The fastest cable download speed in the city is 2,000 Mbps, which 12.06% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 87.94% of homes can only purchase plans up to 940 Mbps. See the internet provider details below for info about their speed and coverage in Martinsville.
Cable internet speeds tend to be faster in the central parts of Martinsville, and slower in the west areas of the city.
Is cable the fastest internet I can get in Martinsville?
The fastest internet for you may vary based on where in Martinsville you live. In general, fiber competes most often with cable in the city.
- Fiber is the fastest internet type for 100.00% of Martinsville 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 Martinsville homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Martinsville, along with details on where in Martinsville and at what speeds.
Optimum Cable in Martinsville, NJ
Optimum cable coverage
About 100.00%, or 4,653 people, have Optimum cable internet available to them in the city. The company covers the entire Martinsville area. Optimum is one of the largest internet service providers internet service providers in the US, with internet service available in every corner of Martinsville.
Optimum cable download speeds
Optimum is below average when comparing download speeds to all other internet providers in Martinsville. Versus other cable providers in the area, Optimum cable is the slowest. There are no different maximum speeds throughout Martinsville. The fastest plan anyone in Martinsville can order from Optimum goes up to 940 Mbps, and all Martinsville customers can get this speed.
Show all download speeds
- 100.0% up to 940.0 Mbps
Optimum cable upload speeds
In Martinsville 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 Martinsville cable providers. Optimum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Martinsville is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
XFINITY from Comcast Cable in Martinsville, NJ
XFINITY cable coverage
About 12.06%, or 561 people, have XFINITY cable internet available to them in the city. The company covers the central and north Martinsville area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Martinsville.
XFINITY from Comcast cable download speeds
XFINITY is above average when comparing download speeds to all other internet providers in Martinsville. Versus other cable providers in the area, XFINITY cable is the fastest. There are no different maximum speeds throughout Martinsville. The fastest plan anyone in Martinsville can order from XFINITY goes up to 2,000 Mbps, and all Martinsville customers can get this speed.
Show all download speeds
- 100.0% up to 2,000.0 Mbps
XFINITY from Comcast cable upload speeds
In Martinsville download speeds tend to be faster than than upload speeds for XFINITY cable. Compared to other ISPs, XFINITY is below average where upload speeds are concerned, and the fastest compared to other Martinsville cable providers. XFINITY offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Martinsville is up to 250 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 250.0 Mbps
Martinsville Cable by Area
This information is most helpful to those looking for homes or considering moving to Martinsville or any of the areas nearby.
How does cable internet in Martinsville compare to the rest of New Jersey?
Cable internet speeds in Martinsville are much faster versus the average speeds in New Jersey: 0.00 Mbps in New Jersey versus 1,068 Mbps in the city. The state has similar cable availability compared to the city. Average cable coverage in New Jersey is 0.00% versus 100.00% in Martinsville.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Martinsville 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
- Bound Brook, NJ: less cable coverage, slower speeds
- Finderne, NJ: equal cable coverage, slower speeds
- Warren, NJ: less cable coverage, slower speeds
- Green Knoll, NJ: less cable coverage, slower speeds
- South Bound Brook, NJ: equal cable coverage, faster speeds
- Middlesex, NJ: less cable coverage, slower speeds
- Bridgewater, NJ: less cable coverage, slower speeds
- Bernards, NJ: less cable coverage, slower speeds
- Zarephath, NJ: less cable coverage, faster speeds
- Dunellen, NJ: less cable coverage, faster speeds
Cities with Similar Populations
- Willington, CT: less cable coverage, slower speeds
- West Kingston, RI: less cable coverage, faster speeds
- West Lake Hills, TX: less cable coverage, slower speeds
- Wewahitchka, FL: less cable coverage, slower speeds
- Whittier, NC: less cable coverage, slower speeds
- West Liberty, OH: less cable coverage, slower speeds
- West Middlesex, PA: less cable coverage, faster speeds
- Wilsons Mills, NC: less cable coverage, slower speeds
- Wilmer, TX: less cable coverage, slower speeds
- West Peoria, IL: equal cable coverage, faster speeds