In Rancho Santa Margarita there are 3 residential DSL providers covering 91.74% of the city. The average home can get speeds up to 89 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 Rancho Santa Margarita, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in Rancho Santa Margarita, CA please click below.
Rancho Santa Margarita, CA Availability Maps
DSL Internet Service Providers in Rancho Santa Margarita
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 Rancho Santa Margarita are not shown.
Rancho Santa Margarita 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 Rancho Santa Margarita is DSL internet available?
DSL Internet Availability Key
DSL is available in 91.74% of Rancho Santa Margarita. 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 Rancho Santa Margarita above to see who has service at your home.
How fast is DSL internet in Rancho Santa Margarita?
The map below shows maximum DSL internet speeds by area in Rancho Santa Margarita.
DSL Internet Speed Key
The average Rancho Santa Margarita home can get up to 89 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 300 Mbps, which 1.27% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 7.11% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Rancho Santa Margarita.
DSL internet speeds tend to be faster in the north parts of Rancho Santa Margarita, and slower in the south areas of the city.
Is DSL the fastest internet I can get in Rancho Santa Margarita?
The fastest internet for you may vary based on where in Rancho Santa Margarita you live. In general, cable competes most often with DSL in the city.
- Fiber is the fastest internet type for 5.00% of Rancho Santa Margarita homes.
- Cable is fastest for 93.04% 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 1.96% of Rancho Santa Margarita homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Rancho Santa Margarita, along with details on where in Rancho Santa Margarita and at what speeds.
EarthLink DSL in Rancho Santa Margarita, CA
EarthLink DSL coverage
About 91.74%, or 43,981 people, have EarthLink DSL internet available to them in the city. The company covers the entire Rancho Santa Margarita area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Rancho Santa Margarita.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Rancho Santa Margarita. Versus other DSL providers in the area, EarthLink DSL is one of the slowest. There are 5 different maximum speeds throughout Rancho Santa Margarita. The fastest plan anyone in Rancho Santa Margarita 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 Rancho Santa Margarita customers is up to 85 Mbps.
Show all download speeds
- 72.6% up to 100.0 Mbps
- 9.6% up to 75.0 Mbps
- 9.4% up to 50.0 Mbps
- 0.6% up to 25.0 Mbps
- 7.7% up to 10.0 Mbps
EarthLink DSL upload speeds
In Rancho Santa Margarita 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 slowest compared to other Rancho Santa Margarita 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 Rancho Santa Margarita 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 17 Mbps.
Show all upload speeds
- 82.2% up to 20.0 Mbps
- 9.4% up to 10.0 Mbps
- 0.6% up to 5.0 Mbps
- 7.7% up to 1.0 Mbps
AT&T DSL in Rancho Santa Margarita, CA
AT&T DSL coverage
About 91.74%, or 43,981 people, have AT&T DSL internet available to them in the city. The company covers the entire Rancho Santa Margarita area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of Rancho Santa Margarita.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in Rancho Santa Margarita. Versus other DSL providers in the area, AT&T DSL is one of the slowest. There are 5 different maximum speeds throughout Rancho Santa Margarita. The fastest plan anyone in Rancho Santa Margarita 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 Rancho Santa Margarita customers is up to 85 Mbps.
Show all download speeds
- 72.6% up to 100.0 Mbps
- 9.6% up to 75.0 Mbps
- 9.4% up to 50.0 Mbps
- 0.6% up to 25.0 Mbps
- 7.7% up to 10.0 Mbps
AT&T DSL upload speeds
In Rancho Santa Margarita 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 slowest compared to other Rancho Santa Margarita 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 Rancho Santa Margarita 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 17 Mbps.
Show all upload speeds
- 82.2% up to 20.0 Mbps
- 9.4% up to 10.0 Mbps
- 0.6% up to 5.0 Mbps
- 7.7% up to 1.0 Mbps
Smartaira DSL in Rancho Santa Margarita, CA
Smartaira DSL coverage
About 1.27%, or 608 people, have Smartaira DSL internet available to them in the city. The company covers the north Rancho Santa Margarita area. Smartaira is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Rancho Santa Margarita.
Smartaira DSL download speeds
Smartaira is below average when comparing download speeds to all other internet providers in Rancho Santa Margarita. Versus other DSL providers in the area, Smartaira DSL is the fastest. There are no different maximum speeds throughout Rancho Santa Margarita. The fastest plan anyone in Rancho Santa Margarita can order from Smartaira goes up to 300 Mbps, and all Rancho Santa Margarita customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Smartaira DSL upload speeds
In Rancho Santa Margarita download speeds tend to be equal to than upload speeds for Smartaira DSL. Compared to other ISPs, Smartaira is below average where upload speeds are concerned, and the fastest compared to other Rancho Santa Margarita DSL providers. Smartaira offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Rancho Santa Margarita is up to 300 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 300.0 Mbps
Rancho Santa Margarita DSL by Area
This information is most helpful to those looking for homes or considering moving to Rancho Santa Margarita or any of the areas nearby.
How does DSL internet in Rancho Santa Margarita compare to the rest of California?
DSL internet speeds in Rancho Santa Margarita are much faster versus the average speeds in California: 0.00 Mbps in California versus 89 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in California is 0.00% versus 91.74% in Rancho Santa Margarita.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Rancho Santa Margarita 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
- Trabuco Canyon, CA: less DSL coverage, faster speeds
- Coto de Caza, CA: more DSL coverage, faster speeds
- Mission Viejo, CA: less DSL coverage, slower speeds
- Lake Forest, CA: less DSL coverage, slower speeds
- Foothill Ranch, CA: less DSL coverage, faster speeds
- Modjeska, CA: less DSL coverage, slower speeds
- Silverado, CA: less DSL coverage, slower speeds
- Ladera Ranch, CA: less DSL coverage, faster speeds
- Laguna Hills, CA: less DSL coverage, slower speeds
- Laguna Woods, CA: less DSL coverage, slower speeds
Cities with Similar Populations
- Concord, NH: less DSL coverage, slower speeds
- Wausau, WI: less DSL coverage, slower speeds
- Frankfort, KY: less DSL coverage, slower speeds
- Wauwatosa, WI: less DSL coverage, slower speeds
- Upper Arlington, OH: less DSL coverage, slower speeds
- Salina, KS: less DSL coverage, slower speeds
- Rowland Heights, CA: less DSL coverage, slower speeds
- Roseville, MI: less DSL coverage, slower speeds
- Downingtown, PA: less DSL coverage, slower speeds
- Donna, TX: less DSL coverage, slower speeds