In Portsmouth there is 1 residential Cable provider covering 96.88% of the city. The average home can get speeds up to 1,000 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 Portsmouth, OH.
To see availability maps for all providers including fiber, cable, DSL, and more in Portsmouth, OH please click below.
Portsmouth, OH Availability Maps
Cable Internet Service Provider in Portsmouth
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 Portsmouth are not shown.
Portsmouth 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 Portsmouth is cable internet available?
Cable Internet Availability Key
Cable is available in 96.88% of Portsmouth. Areas in green have cable internet service, where areas in yellow or red may not. The most widely available provider is Spectrum. Call one of the companies with service in Portsmouth above to see who has service at your home.
How fast is cable internet in Portsmouth?
The map below shows maximum cable internet speeds by area in Portsmouth.
Cable Internet Speed Key
The average Portsmouth home can get up to 1,000 Mbps on their cable internet plan. The fastest cable download speed in the city is 1,000 Mbps, which 96.88% of residents can get.
Is cable the fastest internet I can get in Portsmouth?
The fastest internet for you may vary based on where in Portsmouth you live. In general, fiber competes most often with cable in the city.
- Fiber is the fastest internet type for 68.03% of Portsmouth homes.
- Cable is fastest for 29.10% 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 2.45% of Portsmouth homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Portsmouth, along with details on where in Portsmouth and at what speeds.
Spectrum Cable in Portsmouth, OH
Spectrum cable coverage
About 96.88%, or 22,348 people, have Spectrum cable internet available to them in the city. The company covers the entire Portsmouth area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in most of Portsmouth.
Spectrum cable download speeds
Spectrum is above average when comparing download speeds to all other internet providers in Portsmouth. Versus other cable providers in the area, Spectrum cable is the fastest. There are no different maximum speeds throughout Portsmouth. The fastest plan anyone in Portsmouth can order from Spectrum goes up to 1,000 Mbps, and all Portsmouth customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In Portsmouth 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 the fastest compared to other Portsmouth cable providers. Spectrum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Portsmouth is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
Portsmouth Cable by Area
This information is most helpful to those looking for homes or considering moving to Portsmouth or any of the areas nearby.
How does cable internet in Portsmouth compare to the rest of Ohio?
Cable internet speeds in Portsmouth are much faster versus the average speeds in Ohio: 0.00 Mbps in Ohio versus 1,000 Mbps in the city. The state has similar cable availability compared to the city. Average cable coverage in Ohio is 0.00% versus 96.88% in Portsmouth.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Portsmouth 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
- New Boston, OH: more cable coverage, similar speeds
- Rosemount, OH: more cable coverage, similar speeds
- Siloam, KY: less cable coverage, similar speeds
- South Shore, KY: less cable coverage, similar speeds
- Maloneton, KY: less cable coverage, similar speeds
- South Portsmouth, KY: more cable coverage, similar speeds
- West Portsmouth, OH: more cable coverage, similar speeds
- Rushtown, OH: more cable coverage, similar speeds
- Slocums, OH: more cable coverage, similar speeds
- Wheelersburg, OH: less cable coverage, similar speeds
Cities with Similar Populations
- Summit, NJ: more cable coverage, faster speeds
- Evergreen, CO: less cable coverage, faster speeds
- Flat Rock, MI: more cable coverage, faster speeds
- Fort Walton Beach, FL: more cable coverage, faster speeds
- Fountain Hills, AZ: more cable coverage, faster speeds
- Gainesville, TX: less cable coverage, slower speeds
- Goodlettsville, TN: more cable coverage, faster speeds
- Greenbelt, MD: more cable coverage, faster speeds
- Holt, MI: more cable coverage, faster speeds
- Saginaw, TX: more cable coverage, similar speeds