In Del Mar Heights there are 2 residential DSL providers covering 98.34% of the neighborhood. The average home can get speeds up to 95 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 Del Mar Heights, Del Mar, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in Del Mar Heights, Del Mar, CA please click below.
Del Mar Heights, Del Mar, CA Availability Maps
DSL Internet Service Providers in Del Mar Heights
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 Del Mar Heights are not shown.
Del Mar Heights 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 Del Mar Heights is DSL internet available?

DSL Internet Availability Key
DSL is available in 98.34% of Del Mar Heights. 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 Del Mar Heights above to see who has service at your home.
How fast is DSL internet in Del Mar Heights?
The map below shows maximum DSL internet speeds by area in Del Mar Heights.

DSL Internet Speed Key
The average Del Mar Heights home can get up to 95 Mbps on their DSL internet plan. The fastest DSL download speed in the neighborhood is 100 Mbps, which 86.42% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 5.97% of homes can only purchase plans up to 50 Mbps. See the internet provider details below for info about their speed and coverage in Del Mar Heights.
DSL internet speeds tend to be faster in the northeast parts of Del Mar Heights, and slower in the central areas of the neighborhood.
Is DSL the fastest internet I can get in Del Mar Heights?
The fastest internet for you may vary based on where in Del Mar Heights you live. In general, cable competes most often with DSL in the neighborhood.
- Fiber is the fastest internet type for 33.08% of Del Mar Heights homes.
- Cable is fastest for 66.81% of the neighborhood.
- 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 Del Mar Heights homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Del Mar Heights, along with details on where in Del Mar Heights and at what speeds.
AT&T DSL in Del Mar Heights, Del Mar, CA

AT&T DSL coverage
About 98.34%, or 7,330 people, have AT&T DSL internet available to them in the neighborhood. The company covers the entire Del Mar Heights area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of Del Mar Heights.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in Del Mar Heights. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are 3 different maximum speeds throughout Del Mar Heights. The fastest plan anyone in Del Mar Heights can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 50 Mbps, and the neighborhood-wide average maximum speed for Del Mar Heights customers is up to 95 Mbps.
Show all download speeds
- 87.9% up to 100.0 Mbps
- 6.0% up to 75.0 Mbps
- 6.1% up to 50.0 Mbps
AT&T DSL upload speeds
In Del Mar Heights 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 Del Mar Heights DSL providers. AT&T offers 2 different upload speeds across the neighborhood, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Del Mar Heights is up to 20 Mbps. Some customers have slower plan choices, which only go up to 10 Mbps. On average, AT&T customers can get speeds up to 19 Mbps.
Show all upload speeds
- 93.9% up to 20.0 Mbps
- 6.1% up to 10.0 Mbps
EarthLink DSL in Del Mar Heights, Del Mar, CA

EarthLink DSL coverage
About 98.34%, or 7,330 people, have EarthLink DSL internet available to them in the neighborhood. The company covers the entire Del Mar Heights area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Del Mar Heights.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Del Mar Heights. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are 3 different maximum speeds throughout Del Mar Heights. The fastest plan anyone in Del Mar Heights can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 50 Mbps, and the neighborhood-wide average maximum speed for Del Mar Heights customers is up to 95 Mbps.
Show all download speeds
- 87.9% up to 100.0 Mbps
- 6.0% up to 75.0 Mbps
- 6.1% up to 50.0 Mbps
EarthLink DSL upload speeds
In Del Mar Heights 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 Del Mar Heights DSL providers. EarthLink offers 2 different upload speeds across the neighborhood, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Del Mar Heights is up to 20 Mbps. Some customers have slower plan choices, which only go up to 10 Mbps. On average, EarthLink customers can get speeds up to 19 Mbps.
Show all upload speeds
- 93.9% up to 20.0 Mbps
- 6.1% up to 10.0 Mbps
Del Mar Heights DSL by Area
This information is most helpful to those looking for homes or considering moving to Del Mar Heights or any of the areas nearby.
How does DSL internet in Del Mar Heights compare to the rest of Del Mar?
DSL internet speeds in Del Mar Heights are much faster versus the average speeds in Del Mar: 0.00 Mbps in Del Mar versus 95 Mbps in the neighborhood. The city has similar DSL availability compared to the neighborhood. Average DSL coverage in Del Mar is 0.00% versus 98.34% in Del Mar Heights.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Del Mar Heights 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 neighborhoods?
Below are neighborhoods nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Neighborhoods
- Carmel Valley, San Diego, CA: less DSL coverage, slower speeds
- North City, San Diego, CA: less DSL coverage, slower speeds
- Sorrento Valley, San Diego, CA: less DSL coverage, slower speeds
- Torrey Pines, San Diego, CA: less DSL coverage, faster speeds
- La Jolla Village, La Jolla, CA: more DSL coverage, faster speeds
- University City, San Diego, CA: less DSL coverage, slower speeds
- Mira Mesa, San Diego, CA: less DSL coverage, slower speeds
- Rancho Penasquitos, San Diego, CA: less DSL coverage, slower speeds
- Black Mountain Ranch, San Diego, CA: less DSL coverage, slower speeds
- North Clairemont, San Diego, CA: less DSL coverage, slower speeds
Neighborhoods with Similar Populations
- Westville, New Haven, CT: less DSL coverage, slower speeds
- West End, St. Louis, MO: less DSL coverage, slower speeds
- West Avenue, Miami Beach, FL: more DSL coverage, slower speeds
- Venable, Charlottesville, VA: less DSL coverage, slower speeds
- Tarico Heights, Inwood, WV: less DSL coverage, slower speeds
- Sunrise, San Antonio, TX: less DSL coverage, slower speeds
- San Gorgonio, Highland, CA: more DSL coverage, slower speeds
- Quinnipiac Meadows, New Haven, CT: less DSL coverage, slower speeds
- Parkway-Wheelers Farm Road, Milford, CT: less DSL coverage, slower speeds
- Las Cruces, Laredo, TX: less DSL coverage, slower speeds


