In San Geronimo there are 2 residential DSL providers covering 100.00% of the city. The average home can get speeds up to 10 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 DSL internet providers in San Geronimo, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in San Geronimo, CA please click below.
San Geronimo, CA Availability Maps
DSL Internet Service Providers in San Geronimo
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 Geronimo are not shown.
San Geronimo 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 San Geronimo is DSL internet available?

DSL Internet Availability Key
DSL is available in 100.00% of San Geronimo. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is AT&T. Call one of the companies with service in San Geronimo above to see who has service at your home.
How fast is DSL internet in San Geronimo?
The map below shows maximum DSL internet speeds by area in San Geronimo.

DSL Internet Speed Key
The average San Geronimo home can get up to 10 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 10 Mbps, which 100.00% of residents can get.
Is DSL the fastest internet I can get in San Geronimo?
The fastest internet for you may vary based on where in San Geronimo you live. In general, cable competes most often with DSL in the city.
- Fiber is the fastest internet type for less than 1% of San Geronimo homes.
- Cable is fastest for 100.00% 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 Geronimo homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in San Geronimo, along with details on where in San Geronimo and at what speeds.
AT&T DSL in San Geronimo, CA

AT&T DSL coverage
About 100.00%, or 379 people, have AT&T DSL internet available to them in the city. The company covers the entire San Geronimo area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in every corner of San Geronimo.
AT&T DSL download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in San Geronimo. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are no different maximum speeds throughout San Geronimo. The fastest plan anyone in San Geronimo can order from AT&T goes up to 10 Mbps, and all San Geronimo customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
AT&T DSL upload speeds
In San Geronimo download speeds tend to be faster than than upload speeds for AT&T DSL. Compared to other ISPs, AT&T is one of the slowest where upload speeds are concerned, and one of the fastest compared to other San Geronimo DSL providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in San Geronimo is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
EarthLink DSL in San Geronimo, CA

EarthLink DSL coverage
About 100.00%, or 379 people, have EarthLink DSL internet available to them in the city. The company covers the entire San Geronimo area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in every corner of San Geronimo.
EarthLink DSL download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in San Geronimo. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are no different maximum speeds throughout San Geronimo. The fastest plan anyone in San Geronimo can order from EarthLink goes up to 10 Mbps, and all San Geronimo customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
EarthLink DSL upload speeds
In San Geronimo download speeds tend to be faster than than upload speeds for EarthLink DSL. Compared to other ISPs, EarthLink is one of the slowest where upload speeds are concerned, and one of the fastest compared to other San Geronimo DSL providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in San Geronimo is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
San Geronimo DSL by Area
This information is most helpful to those looking for homes or considering moving to San Geronimo or any of the areas nearby.
How does DSL internet in San Geronimo compare to the rest of California?
DSL internet speeds in San Geronimo are much faster versus the average speeds in California: 0.00 Mbps in California versus 10 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in California is 0.00% versus 100.00% in San Geronimo.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around San Geronimo are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does DSL 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
- Lagunitas-Forest Knolls, CA: equal DSL coverage, similar speeds
- Forest Knolls, CA: less DSL coverage, similar speeds
- Woodacre, CA: less DSL coverage, faster speeds
- Lagunitas, CA: less DSL coverage, similar speeds
- Sleepy Hollow, CA: less DSL coverage, faster speeds
- Fairfax, CA: less DSL coverage, faster speeds
- San Anselmo, CA: less DSL coverage, faster speeds
- Olema, CA: less DSL coverage, similar speeds
- Ross, CA: less DSL coverage, faster speeds
- Bolinas, CA: less DSL coverage, similar speeds
Cities with Similar Populations
- Grenora, ND: less DSL coverage, faster speeds
- Sheridan, LA: less DSL coverage, similar speeds
- Shady Grove, KY: less DSL coverage, similar speeds
- Highland Spring, KY: less DSL coverage, faster speeds
- Hagensville, MI: less DSL coverage, faster speeds
- Hadar, NE: less DSL coverage, faster speeds
- Hackney, OH: less DSL coverage, faster speeds
- Guldens, PA: equal DSL coverage, faster speeds
- Grove Hill, NC: less DSL coverage, faster speeds
- Gretna, PA: less DSL coverage, similar speeds


