In San Quentin there are 8 residential internet providers covering 99.11% of the city. The average home can get speeds up to 2,000 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.
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8 Internet Service Providers in San Quentin
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 San Quentin are not shown.
San Quentin 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
Availability maps for all providers in San Quentin
Using the dropdown below, please select a provider. Green indicates nearly all homes have service, red indicates few homes have service, and blank indicates no service.
Please note some providers will take longer to load than others
Internet service is available in 99.11% of San Quentin. Using our interactive availability map, you can compare service areas for different providers, we include fiber, cable, DSL, or fixed wireless internet service for all providers who offer it. You will notice that some providers might be listed multiple times for each service. If you find no providers cover the location you're looking at, you can opt for satellite service. The most widely available provider is XFINITY. Now you can call companies in San Quentin with more confidence that they might be available.
How fast are internet speeds in San Quentin?
The map below shows maximum internet speeds by area in San Quentin.
Internet Speed Key
The average San Quentin home can get up to 2,000 Mbps on their internet plan. For most people, the fastest download speed in the city is 2,000 Mbps, which 99.11% of residents can get.
What type of internet should I choose in San Quentin?
The fastest internet for you may vary based on where in San Quentin you live. If speed is your main concern, cable will be the fastest internet in the city.
- Fiber is the fastest internet type for less than 1% of San Quentin homes.
- Cable is fastest for 99.11% 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 San Quentin homes.
Internet Market Health in San Quentin
Internet Competition Key
The map shows how competitive the San Quentin internet service market is. Areas in green have more alternatives, areas in yellow have a few choices, and areas in red may have only one provider. More competition usually means faster speeds and better prices for you, the customer.
Below are quick facts on internet competition and market health in San Quentin based on what connections the average home has availabile:
- Average number of internet service providers to a home: 2.6 (very unhealthy)
- Average types of service (fiber, cable, DSL, etc): 2.0 (unhealthy)
- Average providers with broadband (25 Mbps+) speeds: 2.6 (very unhealthy)
Overall, competition is very unhealthy.
San Quentin internet customers have the ability to buy internet service from 1 to 6 different providers, depending on where they live. For different types of service, San Quentin homes have between 1 and 2 options. The type(s) of service available are cable and fixed wireless, though these may vary depending on the region within the city.
When it comes to broadband download speeds faster than 25 Mbps, the situation is similar. San Quentin internet customers who want faster speeds have between 1 and 6 choices of companies offering speeds up to or over 25 Mbps.
More internet companies with faster speeds means fewer monopolies and better prices for customers. In promoting a free market for internet, San Quentin badly needs improvement.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in San Quentin, along with details on where in San Quentin and at what speeds.
XFINITY from Comcast Cable in San Quentin, CA
XFINITY cable coverage
About 99.11%, or 4,246 people, have XFINITY cable internet available to them in the city. The company covers the entire San Quentin area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in most of San Quentin.
XFINITY from Comcast cable download speeds
XFINITY is the fastest when comparing download speeds to all other internet providers in San Quentin. Versus other cable providers in the area, XFINITY cable is the fastest. There are no different maximum speeds throughout San Quentin. The fastest plan anyone in San Quentin can order from XFINITY goes up to 2,000 Mbps, and all San Quentin customers can get this speed.
Show all download speeds
- 100.0% up to 2,000.0 Mbps
XFINITY from Comcast cable upload speeds
In San Quentin download speeds tend to be faster than than upload speeds for XFINITY cable. Compared to other ISPs, XFINITY is the fastest where upload speeds are concerned, and the fastest compared to other San Quentin cable providers. XFINITY offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in San Quentin is up to 250 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 250.0 Mbps
Unwired Fixed Wireless in San Quentin, CA
Unwired fixed wireless coverage
About 98.51%, or 4,220 people, have Unwired fixed wireless internet available to them in the city. The company covers the entire San Quentin area. Unwired is a large internet service provider internet service providers in the US, with internet service available in most of San Quentin.
Unwired fixed wireless download speeds
Unwired is below average when comparing download speeds to all other internet providers in San Quentin. Versus other fixed wireless providers in the area, Unwired fixed wireless is one of the fastest. There are no different maximum speeds throughout San Quentin. The fastest plan anyone in San Quentin can order from Unwired goes up to 300 Mbps, and all San Quentin customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Unwired fixed wireless upload speeds
In San Quentin download speeds tend to be faster than than upload speeds for Unwired fixed wireless. Compared to other ISPs, Unwired is below average where upload speeds are concerned, and the fastest compared to other San Quentin fixed wireless providers. Unwired offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in San Quentin is up to 25 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 25.0 Mbps
EarthLink Fixed Wireless in San Quentin, CA
EarthLink fixed wireless coverage
About 16.60%, or 711 people, have EarthLink fixed wireless internet available to them in the city. The company covers the north, northwest, and central San Quentin area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of San Quentin.
EarthLink fixed wireless download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in San Quentin. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are no different maximum speeds throughout San Quentin. The fastest plan anyone in San Quentin can order from EarthLink goes up to 25 Mbps, and all San Quentin customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In San Quentin download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is one of the slowest where upload speeds are concerned, and one of the slowest compared to other San Quentin fixed wireless providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in San Quentin is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
AT&T Fixed Wireless in San Quentin, CA
AT&T fixed wireless coverage
About 16.60%, or 711 people, have AT&T fixed wireless internet available to them in the city. The company covers the north, northwest, and central San Quentin area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of San Quentin.
AT&T fixed wireless download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in San Quentin. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are no different maximum speeds throughout San Quentin. The fastest plan anyone in San Quentin can order from AT&T goes up to 25 Mbps, and all San Quentin customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In San Quentin download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is one of the slowest where upload speeds are concerned, and one of the slowest compared to other San Quentin fixed wireless providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in San Quentin is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
T-Mobile Home Internet Fixed Wireless in San Quentin, CA
T-Mobile Home Internet fixed wireless coverage
About 14.15%, or 606 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the north and central San Quentin area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of San Quentin.
T-Mobile Home Internet fixed wireless download speeds
T-Mobile Home Internet is one of the slowest when comparing download speeds to all other internet providers in San Quentin. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is one of the slowest. There are no different maximum speeds throughout San Quentin. The fastest plan anyone in San Quentin can order from T-Mobile Home Internet goes up to 25 Mbps, and all San Quentin customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In San Quentin download speeds tend to be faster than than upload speeds for T-Mobile Home Internet fixed wireless. Compared to other ISPs, T-Mobile Home Internet is one of the slowest where upload speeds are concerned, and one of the slowest compared to other San Quentin fixed wireless providers. T-Mobile Home Internet offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in San Quentin is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
Verizon Fixed Wireless in San Quentin, CA
Verizon fixed wireless coverage
About 13.24%, or 567 people, have Verizon fixed wireless internet available to them in the city. The company covers the north and central San Quentin area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of San Quentin.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in San Quentin. Versus other fixed wireless providers in the area, Verizon fixed wireless is one of the fastest. There are no different maximum speeds throughout San Quentin. The fastest plan anyone in San Quentin can order from Verizon goes up to 300 Mbps, and all San Quentin customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In San Quentin download speeds tend to be faster than than upload speeds for Verizon fixed wireless. Compared to other ISPs, Verizon is below average where upload speeds are concerned, and above average compared to other San Quentin fixed wireless providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in San Quentin is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
San Quentin Internet by Area
This information is most helpful to those looking for homes or considering moving to San Quentin or any of the areas nearby.
How does internet in San Quentin compare to the rest of California?
Internet speeds in San Quentin are slower versus the average speeds in California: 3,631 Mbps in California versus 2,000 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in California is 98.73% versus 99.11% in San Quentin.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around San Quentin are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does internet service 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
- Corte Madera, CA: more internet coverage, faster speeds
- Larkspur, CA: more internet coverage, faster speeds
- Greenbrae, CA: more internet coverage, faster speeds
- Kentfield, CA: more internet coverage, faster speeds
- Belvedere-Tiburon, CA: more internet coverage, slower speeds
- Tiburon, CA: more internet coverage, slower speeds
- Mill Valley, CA: less internet coverage, faster speeds
- Ross, CA: more internet coverage, faster speeds
- San Rafael, CA: more internet coverage, faster speeds
- Tamalpais-Homestead Valley, CA: more internet coverage, faster speeds
Cities with Similar Populations
- Clayton, IN: more internet coverage, slower speeds
- Concord, VA: less internet coverage, slower speeds
- Milan, IN: less internet coverage, slower speeds
- Yellville, AR: less internet coverage, slower speeds
- Whitehall, NY: less internet coverage, slower speeds
- Wewoka, OK: less internet coverage, slower speeds
- Waverly City, OH: more internet coverage, faster speeds
- South Russell, OH: more internet coverage, slower speeds
- Sinking Spring, PA: more internet coverage, faster speeds
- Ragland, AL: less internet coverage, slower speeds