In Casa de Oro-Mount Helix there are 2 residential DSL providers covering 98.39% of the city. The average home can get speeds up to 85 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 Casa de Oro-Mount Helix, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in Casa de Oro-Mount Helix, CA please click below.
Casa de Oro-Mount Helix, CA Availability Maps
DSL Internet Service Providers in Casa de Oro-Mount Helix
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 Casa de Oro-Mount Helix are not shown.
Casa de Oro-Mount Helix 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 Casa de Oro-Mount Helix is DSL internet available?
DSL Internet Availability Key
DSL is available in 98.39% of Casa de Oro-Mount Helix. 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 Casa de Oro-Mount Helix above to see who has service at your home.
How fast is DSL internet in Casa de Oro-Mount Helix?
The map below shows maximum DSL internet speeds by area in Casa de Oro-Mount Helix.
DSL Internet Speed Key
The average Casa de Oro-Mount Helix home can get up to 85 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 100 Mbps, which 65.67% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 5.28% of homes can only purchase plans up to 25 Mbps. See the internet provider details below for info about their speed and coverage in Casa de Oro-Mount Helix.
DSL internet speeds tend to be faster in the south parts of Casa de Oro-Mount Helix, and slower in the north areas of the city.
Is DSL the fastest internet I can get in Casa de Oro-Mount Helix?
The fastest internet for you may vary based on where in Casa de Oro-Mount Helix you live. In general, fiber competes most often with DSL in the city.
- Fiber is the fastest internet type for 60.14% of Casa de Oro-Mount Helix homes.
- Cable is fastest for 39.51% 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 Casa de Oro-Mount Helix homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Casa de Oro-Mount Helix, along with details on where in Casa de Oro-Mount Helix and at what speeds.
EarthLink DSL in Casa de Oro-Mount Helix, CA
EarthLink DSL coverage
About 98.39%, or 15,789 people, have EarthLink DSL internet available to them in the city. The company covers the entire Casa de Oro-Mount Helix area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Casa de Oro-Mount Helix.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Casa de Oro-Mount Helix. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are 4 different maximum speeds throughout Casa de Oro-Mount Helix. The fastest plan anyone in Casa de Oro-Mount Helix can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Casa de Oro-Mount Helix customers is up to 85 Mbps.
Show all download speeds
- 66.7% up to 100.0 Mbps
- 12.8% up to 75.0 Mbps
- 15.0% up to 50.0 Mbps
- 5.4% up to 25.0 Mbps
EarthLink DSL upload speeds
In Casa de Oro-Mount Helix 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 Casa de Oro-Mount Helix DSL providers. EarthLink offers 3 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 Casa de Oro-Mount Helix is up to 20 Mbps. Some customers have slower plan choices, which only go up to 5.0 Mbps. On average, EarthLink customers can get speeds up to 18 Mbps.
Show all upload speeds
- 79.6% up to 20.0 Mbps
- 15.0% up to 10.0 Mbps
- 5.4% up to 5.0 Mbps
AT&T DSL in Casa de Oro-Mount Helix, CA
AT&T DSL coverage
About 98.39%, or 15,789 people, have AT&T DSL internet available to them in the city. The company covers the entire Casa de Oro-Mount Helix area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of Casa de Oro-Mount Helix.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in Casa de Oro-Mount Helix. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are 4 different maximum speeds throughout Casa de Oro-Mount Helix. The fastest plan anyone in Casa de Oro-Mount Helix can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Casa de Oro-Mount Helix customers is up to 85 Mbps.
Show all download speeds
- 66.7% up to 100.0 Mbps
- 12.8% up to 75.0 Mbps
- 15.0% up to 50.0 Mbps
- 5.4% up to 25.0 Mbps
AT&T DSL upload speeds
In Casa de Oro-Mount Helix 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 Casa de Oro-Mount Helix DSL providers. AT&T offers 3 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 Casa de Oro-Mount Helix is up to 20 Mbps. Some customers have slower plan choices, which only go up to 5.0 Mbps. On average, AT&T customers can get speeds up to 18 Mbps.
Show all upload speeds
- 79.6% up to 20.0 Mbps
- 15.0% up to 10.0 Mbps
- 5.4% up to 5.0 Mbps
Casa de Oro-Mount Helix DSL by Area
This information is most helpful to those looking for homes or considering moving to Casa de Oro-Mount Helix or any of the areas nearby.
How does DSL internet in Casa de Oro-Mount Helix compare to the rest of California?
DSL internet speeds in Casa de Oro-Mount Helix are much faster versus the average speeds in California: 0.00 Mbps in California versus 85 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in California is 0.00% versus 98.39% in Casa de Oro-Mount Helix.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Casa de Oro-Mount Helix 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
- Spring Valley, CA: less DSL coverage, faster speeds
- La Mesa, CA: less DSL coverage, faster speeds
- Rancho San Diego, CA: less DSL coverage, faster speeds
- La Presa, CA: less DSL coverage, slower speeds
- El Cajon, CA: less DSL coverage, faster speeds
- Lemon Grove, CA: less DSL coverage, slower speeds
- Bostonia, CA: less DSL coverage, slower speeds
- Santee, CA: less DSL coverage, slower speeds
- Bonita, CA: less DSL coverage, faster speeds
- Lakeside, CA: less DSL coverage, faster speeds
Cities with Similar Populations
- Spring Branch, TX: less DSL coverage, slower speeds
- Eureka, MO: less DSL coverage, slower speeds
- Fairview Heights, IL: less DSL coverage, slower speeds
- Fate, TX: less DSL coverage, slower speeds
- Firestone, CO: less DSL coverage, faster speeds
- Fishkill, NY: less DSL coverage, slower speeds
- Fitzgerald, GA: less DSL coverage, faster speeds
- Forrest City, AR: less DSL coverage, slower speeds
- Fort Atkinson, WI: less DSL coverage, slower speeds
- Summerfield, NC: less DSL coverage, slower speeds