In San Marino there are 2 residential DSL providers covering 76.43% of the city. The average home can get speeds up to 46 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 Marino, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in San Marino, CA please click below.
San Marino, CA Availability Maps
DSL Internet Service Providers in San Marino
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 Marino are not shown.
San Marino 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 Marino is DSL internet available?
DSL Internet Availability Key
DSL is available in 76.43% of San Marino. 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 Marino above to see who has service at your home.
How fast is DSL internet in San Marino?
The map below shows maximum DSL internet speeds by area in San Marino.
DSL Internet Speed Key
The average San Marino home can get up to 46 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 100 Mbps, which 17.28% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 20.43% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in San Marino.
DSL internet speeds tend to be faster in the northeast parts of San Marino, and slower in the southwest areas of the city.
Is DSL the fastest internet I can get in San Marino?
The fastest internet for you may vary based on where in San Marino you live. In general, cable competes most often with DSL in the city.
- Fiber is the fastest internet type for 14.24% of San Marino homes.
- Cable is fastest for 85.48% 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 Marino homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in San Marino, along with details on where in San Marino and at what speeds.
AT&T DSL in San Marino, CA
AT&T DSL coverage
About 76.43%, or 10,167 people, have AT&T DSL internet available to them in the city. The company covers the entire San Marino area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of San Marino.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in San Marino. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are 5 different maximum speeds throughout San Marino. The fastest plan anyone in San Marino can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for San Marino customers is up to 46 Mbps.
Show all download speeds
- 22.6% up to 100.0 Mbps
- 11.1% up to 75.0 Mbps
- 10.5% up to 50.0 Mbps
- 29.0% up to 25.0 Mbps
- 26.7% up to 10.0 Mbps
AT&T DSL upload speeds
In San Marino download speeds tend to be faster than than upload speeds for AT&T DSL. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and one of the fastest compared to other San Marino DSL providers. AT&T offers 4 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 San Marino is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, AT&T customers can get speeds up to 9.5 Mbps.
Show all upload speeds
- 33.7% up to 20.0 Mbps
- 10.5% up to 10.0 Mbps
- 29.0% up to 5.0 Mbps
- 26.7% up to 1.0 Mbps
EarthLink DSL in San Marino, CA
EarthLink DSL coverage
About 76.43%, or 10,167 people, have EarthLink DSL internet available to them in the city. The company covers the entire San Marino area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of San Marino.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in San Marino. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are 5 different maximum speeds throughout San Marino. The fastest plan anyone in San Marino can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for San Marino customers is up to 46 Mbps.
Show all download speeds
- 22.6% up to 100.0 Mbps
- 11.1% up to 75.0 Mbps
- 10.5% up to 50.0 Mbps
- 29.0% up to 25.0 Mbps
- 26.7% up to 10.0 Mbps
EarthLink DSL upload speeds
In San Marino download speeds tend to be faster than than upload speeds for EarthLink DSL. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and one of the fastest compared to other San Marino DSL providers. EarthLink offers 4 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 San Marino is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, EarthLink customers can get speeds up to 9.5 Mbps.
Show all upload speeds
- 33.7% up to 20.0 Mbps
- 10.5% up to 10.0 Mbps
- 29.0% up to 5.0 Mbps
- 26.7% up to 1.0 Mbps
San Marino DSL by Area
This information is most helpful to those looking for homes or considering moving to San Marino or any of the areas nearby.
How does DSL internet in San Marino compare to the rest of California?
DSL internet speeds in San Marino are much faster versus the average speeds in California: 0.00 Mbps in California versus 46 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in California is 0.00% versus 76.43% in San Marino.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around San Marino 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
- San Gabriel, CA: more DSL coverage, faster speeds
- East Pasadena, CA: less DSL coverage, faster speeds
- South Pasadena, CA: more DSL coverage, faster speeds
- Pasadena, CA: more DSL coverage, faster speeds
- Alhambra, CA: more DSL coverage, faster speeds
- Temple City, CA: more DSL coverage, faster speeds
- Rosemead, CA: more DSL coverage, faster speeds
- Arcadia, CA: more DSL coverage, faster speeds
- Kinneloa Mesa, CA: more DSL coverage, faster speeds
- Sierra Madre, CA: less DSL coverage, slower speeds
Cities with Similar Populations
- Las Marias, PR: less DSL coverage, slower speeds
- Luling, LA: more DSL coverage, faster speeds
- Los Panes, PR: more DSL coverage, slower speeds
- Los Llanos, PR: more DSL coverage, slower speeds
- Longs, SC: less DSL coverage, slower speeds
- Lockhart, FL: more DSL coverage, faster speeds
- Little Falls, MN: more DSL coverage, slower speeds
- Lincolnwood, IL: more DSL coverage, faster speeds
- Liberty Lake, WA: more DSL coverage, faster speeds
- Leon Valley, TX: more DSL coverage, faster speeds