In San Martin there are 4 residential DSL providers covering 87.46% of the city. The average home can get speeds up to 14 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 Martin, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in San Martin, CA please click below.
San Martin, CA Availability Maps
DSL Internet Service Providers in San Martin
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 Martin are not shown.
San Martin 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 Martin is DSL internet available?
DSL Internet Availability Key
DSL is available in 87.46% of San Martin. 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 Martin above to see who has service at your home.
How fast is DSL internet in San Martin?
The map below shows maximum DSL internet speeds by area in San Martin.
DSL Internet Speed Key
The average San Martin home can get up to 14 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 115 Mbps, which 1.82% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 80.82% 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 Martin.
DSL internet speeds tend to be faster in the northwest parts of San Martin, and slower in the central areas of the city.
Is DSL the fastest internet I can get in San Martin?
The fastest internet for you may vary based on where in San Martin you live. In general, fiber competes most often with DSL in the city.
- Fiber is the fastest internet type for 69.43% of San Martin homes.
- Cable is fastest for 26.33% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 3.99%.
- Satellite internet may be the only option for less than 1% of San Martin homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in San Martin, along with details on where in San Martin and at what speeds.
AT&T DSL in San Martin, CA
AT&T DSL coverage
About 78.10%, or 5,232 people, have AT&T DSL internet available to them in the city. The company covers the entire San Martin 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 Martin.
AT&T DSL download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in San Martin. Versus other DSL providers in the area, AT&T DSL is one of the slowest. There are no different maximum speeds throughout San Martin. The fastest plan anyone in San Martin can order from AT&T goes up to 10 Mbps, and all San Martin customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
AT&T DSL upload speeds
In San Martin 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 slowest compared to other San Martin DSL providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in San Martin 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 Martin, CA
EarthLink DSL coverage
About 78.10%, or 5,232 people, have EarthLink DSL internet available to them in the city. The company covers the entire San Martin area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of San Martin.
EarthLink DSL download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in San Martin. Versus other DSL providers in the area, EarthLink DSL is one of the slowest. There are no different maximum speeds throughout San Martin. The fastest plan anyone in San Martin can order from EarthLink goes up to 10 Mbps, and all San Martin customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
EarthLink DSL upload speeds
In San Martin 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 slowest compared to other San Martin DSL providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in San Martin is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
Frontier Communications DSL in San Martin, CA
Frontier DSL coverage
About 11.66%, or 781 people, have Frontier DSL internet available to them in the city. The company covers the north, northwest, northeast, southeast, and southwest San Martin area. Frontier 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 Martin.
Frontier Communications DSL download speeds
Frontier is below average when comparing download speeds to all other internet providers in San Martin. Versus other DSL providers in the area, Frontier DSL is the fastest. There are 3 different maximum speeds throughout San Martin. The fastest plan anyone in San Martin can order from Frontier goes up to 115 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for San Martin customers is up to 40 Mbps.
Show all download speeds
- 15.6% up to 115.0 Mbps
- 23.2% up to 70.0 Mbps
- 61.2% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In San Martin download speeds tend to be faster than than upload speeds for Frontier DSL. Compared to other ISPs, Frontier is below average where upload speeds are concerned, and average compared to other San Martin DSL providers. Frontier 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 Martin is up to 7.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Frontier customers can get speeds up to 2.7 Mbps.
Show all upload speeds
- 15.6% up to 7.0 Mbps
- 8.5% up to 6.0 Mbps
- 14.7% up to 3.0 Mbps
- 61.2% up to 1.0 Mbps
South Valley Internet DSL in San Martin, CA
South Valley Internet DSL coverage
About 2.12%, or 142 people, have South Valley Internet DSL internet available to them in the city. The company covers the east San Martin area. South Valley Internet is an average-sized internet service provider internet service providers in the US, with internet service available in a very small piece of San Martin.
South Valley Internet DSL download speeds
South Valley Internet is below average when comparing download speeds to all other internet providers in San Martin. Versus other DSL providers in the area, South Valley Internet DSL is average. There are no different maximum speeds throughout San Martin. The fastest plan anyone in San Martin can order from South Valley Internet goes up to 25 Mbps, and all San Martin customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
South Valley Internet DSL upload speeds
In San Martin download speeds tend to be faster than than upload speeds for South Valley Internet DSL. Compared to other ISPs, South Valley Internet is below average where upload speeds are concerned, and the fastest compared to other San Martin DSL providers. South Valley Internet offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in San Martin is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
San Martin DSL by Area
This information is most helpful to those looking for homes or considering moving to San Martin or any of the areas nearby.
How does DSL internet in San Martin compare to the rest of California?
DSL internet speeds in San Martin are much faster versus the average speeds in California: 0.00 Mbps in California versus 14 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in California is 0.00% versus 87.46% in San Martin.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around San Martin 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
- Rucker, CA: less DSL coverage, faster speeds
- Morgan Hill, CA: less DSL coverage, faster speeds
- Gilroy, CA: less DSL coverage, faster speeds
- Lonoke, CA: less DSL coverage, faster speeds
- Old Gilroy, CA: more DSL coverage, faster speeds
- Freedom, CA: more DSL coverage, faster speeds
- Watsonville, CA: less DSL coverage, faster speeds
- Pajaro, CA: less DSL coverage, faster speeds
- Aptos, CA: less DSL coverage, faster speeds
- La Selva Beach, CA: less DSL coverage, faster speeds
Cities with Similar Populations
- Lawson, MO: more DSL coverage, faster speeds
- Lee, NH: less DSL coverage, faster speeds
- Lebanon, ME: more DSL coverage, faster speeds
- Lebanon, CT: less DSL coverage, slower speeds
- Leakesville, MS: more DSL coverage, faster speeds
- Leadville, CO: more DSL coverage, faster speeds
- Le Roy, NY: more DSL coverage, faster speeds
- Le Claire, IA: more DSL coverage, faster speeds
- Lemmon Valley, NV: less DSL coverage, faster speeds
- Lawrenceville, IL: less DSL coverage, faster speeds