In Simi Valley there are 2 residential DSL providers covering 95.95% of the city. The average home can get speeds up to 88 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 Simi Valley, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in Simi Valley, CA please click below.
Simi Valley, CA Availability Maps
DSL Internet Service Providers in Simi Valley
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 Simi Valley are not shown.
Simi Valley 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 Simi Valley is DSL internet available?
DSL Internet Availability Key
DSL is available in 95.95% of Simi Valley. 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 Simi Valley above to see who has service at your home.
How fast is DSL internet in Simi Valley?
The map below shows maximum DSL internet speeds by area in Simi Valley.
DSL Internet Speed Key
The average Simi Valley home can get up to 88 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 100 Mbps, which 71.47% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 1.71% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Simi Valley.
DSL internet speeds tend to be faster in the east parts of Simi Valley, and slower in the southeast areas of the city.
Is DSL the fastest internet I can get in Simi Valley?
The fastest internet for you may vary based on where in Simi Valley you live. In general, cable competes most often with DSL in the city.
- Fiber is the fastest internet type for 46.21% of Simi Valley homes.
- Cable is fastest for 53.60% 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 Simi Valley homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Simi Valley, along with details on where in Simi Valley and at what speeds.
AT&T DSL in Simi Valley, CA
AT&T DSL coverage
About 95.95%, or 123,789 people, have AT&T DSL internet available to them in the city. The company covers the entire Simi Valley area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of Simi Valley.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in Simi Valley. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are 5 different maximum speeds throughout Simi Valley. The fastest plan anyone in Simi Valley 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 Simi Valley customers is up to 88 Mbps.
Show all download speeds
- 74.5% up to 100.0 Mbps
- 10.1% up to 75.0 Mbps
- 10.9% up to 50.0 Mbps
- 2.7% up to 25.0 Mbps
- 1.8% up to 10.0 Mbps
AT&T DSL upload speeds
In Simi Valley 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 Simi Valley 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 Simi Valley 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 18 Mbps.
Show all upload speeds
- 84.6% up to 20.0 Mbps
- 10.9% up to 10.0 Mbps
- 2.7% up to 5.0 Mbps
- 1.8% up to 1.0 Mbps
EarthLink DSL in Simi Valley, CA
EarthLink DSL coverage
About 95.95%, or 123,789 people, have EarthLink DSL internet available to them in the city. The company covers the entire Simi Valley area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Simi Valley.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Simi Valley. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are 5 different maximum speeds throughout Simi Valley. The fastest plan anyone in Simi Valley 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 Simi Valley customers is up to 88 Mbps.
Show all download speeds
- 74.5% up to 100.0 Mbps
- 10.1% up to 75.0 Mbps
- 10.9% up to 50.0 Mbps
- 2.7% up to 25.0 Mbps
- 1.8% up to 10.0 Mbps
EarthLink DSL upload speeds
In Simi Valley 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 Simi Valley 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 Simi Valley 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 18 Mbps.
Show all upload speeds
- 84.6% up to 20.0 Mbps
- 10.9% up to 10.0 Mbps
- 2.7% up to 5.0 Mbps
- 1.8% up to 1.0 Mbps
Simi Valley DSL by Area
This information is most helpful to those looking for homes or considering moving to Simi Valley or any of the areas nearby.
How does DSL internet in Simi Valley compare to the rest of California?
DSL internet speeds in Simi Valley are much faster versus the average speeds in California: 0.00 Mbps in California versus 88 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in California is 0.00% versus 95.95% in Simi Valley.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Simi Valley 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
- Brandeis, CA: less DSL coverage, slower speeds
- Virginia Colony, CA: less DSL coverage, slower speeds
- Oak Park, CA: more DSL coverage, faster speeds
- West Hills, CA: less DSL coverage, slower speeds
- Moorpark, CA: less DSL coverage, slower speeds
- Thousand Oaks, CA: less DSL coverage, slower speeds
- Chatsworth, CA: less DSL coverage, faster speeds
- Agoura Hills, CA: more DSL coverage, faster speeds
- Hidden Hills, CA: more DSL coverage, slower speeds
- Canoga Park, CA: less DSL coverage, faster speeds
Cities with Similar Populations
- St. Petersburg, FL: less DSL coverage, slower speeds
- Springfield, OR: more DSL coverage, slower speeds
- St. Cloud, FL: less DSL coverage, slower speeds
- San Bernardino, CA: less DSL coverage, slower speeds
- Rochester, NY: less DSL coverage, slower speeds
- Santa Ana, CA: less DSL coverage, slower speeds
- Roseville, CA: less DSL coverage, slower speeds
- San Ramon, CA: less DSL coverage, slower speeds
- San Leandro, CA: less DSL coverage, slower speeds
- Scranton, PA: less DSL coverage, slower speeds