In Penngrove there are 2 residential Cable providers covering 87.67% of the city. The average home can get speeds up to 1,932 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 Penngrove, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in Penngrove, CA please click below.
Penngrove, CA Availability Maps
Cable Internet Service Providers in Penngrove
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 Penngrove are not shown.
Penngrove 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 Penngrove is cable internet available?
Cable Internet Availability Key
Cable is available in 87.67% of Penngrove. Areas in green have cable internet service, where areas in yellow or red may not. The most widely available provider is XFINITY. Call one of the companies with service in Penngrove above to see who has service at your home.
How fast is cable internet in Penngrove?
The map below shows maximum cable internet speeds by area in Penngrove.
Cable Internet Speed Key
The average Penngrove home can get up to 1,932 Mbps on their cable internet plan. The fastest cable download speed in the city is 2,000 Mbps, which 81.34% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 3.32% of homes can only purchase plans up to 940 Mbps. See the internet provider details below for info about their speed and coverage in Penngrove.
Cable internet speeds tend to be faster in the north parts of Penngrove, and slower in the northeast areas of the city.
Is cable the fastest internet I can get in Penngrove?
The fastest internet for you may vary based on where in Penngrove you live. In general, fiber competes most often with cable in the city.
- Fiber is the fastest internet type for 24.15% of Penngrove homes.
- Cable is fastest for 63.52% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 11.95%.
- Satellite internet may be the only option for less than 1% of Penngrove homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Penngrove, along with details on where in Penngrove and at what speeds.
XFINITY from Comcast Cable in Penngrove, CA
XFINITY cable coverage
About 84.35%, or 4,425 people, have XFINITY cable internet available to them in the city. The company covers the entire Penngrove area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in much of Penngrove.
XFINITY from Comcast cable download speeds
XFINITY is above average when comparing download speeds to all other internet providers in Penngrove. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout Penngrove. The fastest plan anyone in Penngrove can order from XFINITY goes up to 2,000 Mbps, the slowest package only goes up to 1,200 Mbps, and the city-wide average maximum speed for Penngrove customers is up to 1,971 Mbps.
Show all download speeds
- 96.4% up to 2,000.0 Mbps
- 3.6% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In Penngrove 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 Penngrove cable providers. XFINITY offers 2 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Penngrove is up to 250 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, XFINITY customers can get speeds up to 242 Mbps.
Show all upload speeds
- 96.4% up to 250.0 Mbps
- 3.6% up to 35.0 Mbps
Optimum Cable in Penngrove, CA
Optimum cable coverage
About 3.32%, or 174 people, have Optimum cable internet available to them in the city. The company covers the northeast Penngrove area. Optimum is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Penngrove.
Optimum cable download speeds
Optimum is below average when comparing download speeds to all other internet providers in Penngrove. Versus other cable providers in the area, Optimum cable is the slowest. There are no different maximum speeds throughout Penngrove. The fastest plan anyone in Penngrove can order from Optimum goes up to 940 Mbps, and all Penngrove customers can get this speed.
Show all download speeds
- 100.0% up to 940.0 Mbps
Optimum cable upload speeds
In Penngrove 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 Penngrove cable providers. Optimum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Penngrove is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
Penngrove Cable by Area
This information is most helpful to those looking for homes or considering moving to Penngrove or any of the areas nearby.
How does cable internet in Penngrove compare to the rest of California?
Cable internet speeds in Penngrove are much faster versus the average speeds in California: 0.00 Mbps in California versus 1,932 Mbps in the city. The state has similar cable availability compared to the city. Average cable coverage in California is 0.00% versus 87.67% in Penngrove.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Penngrove 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
- Cotati, CA: more cable coverage, faster speeds
- Rohnert Park, CA: more cable coverage, faster speeds
- Petaluma, CA: more cable coverage, slower speeds
- Lakeville, CA: less cable coverage, faster speeds
- El Verano, CA: less cable coverage, faster speeds
- Glen Ellen, CA: less cable coverage, slower speeds
- Eldridge, CA: more cable coverage, faster speeds
- Kenwood, CA: more cable coverage, slower speeds
- Santa Rosa, CA: more cable coverage, slower speeds
- Sonoma, CA: more cable coverage, slower speeds
Cities with Similar Populations
- Haskell, AR: more cable coverage, slower speeds
- Fountainhead-Orchard Hills, MD: more cable coverage, slower speeds
- Four Corners, MT: less cable coverage, slower speeds
- Fox Chapel, PA: more cable coverage, faster speeds
- Fox Island, WA: more cable coverage, slower speeds
- Fox Lake, WI: less cable coverage, slower speeds
- Fox River Grove, IL: more cable coverage, faster speeds
- Foxborough, MA: more cable coverage, slower speeds
- Frankfort, OH: less cable coverage, slower speeds
- Franklinville, NC: less cable coverage, slower speeds