In Simi Valley there are 8 residential internet providers covering 99.90% of the city. The average home can get speeds up to 2,814 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.
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8 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
Availability maps for all providers in Simi Valley
Using the dropdown below, please select a provider. Green indicates nearly all homes have service, red indicates few homes have service, and blank indicates no service.
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Internet service is available in 99.90% of Simi Valley. Using our interactive availability map, you can compare service areas for different providers, we include fiber, cable, DSL, or fixed wireless internet service for all providers who offer it. You will notice that some providers might be listed multiple times for each service. If you find no providers cover the location you're looking at, you can opt for satellite service. The most widely available provider is GigabitNow. Now you can call companies in Simi Valley with more confidence that they might be available.
How fast are internet speeds in Simi Valley?
The map below shows maximum internet speeds by area in Simi Valley.
Internet Speed Key
The average Simi Valley home can get up to 2,814 Mbps on their internet plan. For most people, the fastest download speed in the city is 5,000 Mbps, which 45.33% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, less than 1% of homes can only purchase plans up to 25 Mbps. See the internet provider details below for info about their speed and coverage in Simi Valley.
Internet speeds tend to be faster in the south parts of Simi Valley, and slower in the southwest areas of the city.
What type of internet should I choose in Simi Valley?
The fastest internet for you may vary based on where in Simi Valley you live. If speed is your main concern, cable will be the fastest internet 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.
Internet Market Health in Simi Valley
Internet Competition Key
The map shows how competitive the Simi Valley internet service market is. Areas in green have more alternatives, areas in yellow have a few choices, and areas in red may have only one provider. More competition usually means faster speeds and better prices for you, the customer.
Below are quick facts on internet competition and market health in Simi Valley based on what connections the average home has availabile:
- Average number of internet service providers to a home: 6.3 (very healthy)
- Average types of service (fiber, cable, DSL, etc): 3.3 (very healthy)
- Average providers with broadband (25 Mbps+) speeds: 6.3 (very healthy)
Overall, competition is very healthy.
Simi Valley internet customers have the ability to buy internet service from 1 to 10 different providers, depending on where they live. For different types of service, Simi Valley homes have between 1 and 4 options. The type(s) of service available are cable, dsl, fixed wireless, and fiber, though these may vary depending on the region within the city.
When it comes to broadband download speeds faster than 25 Mbps, the situation is worse. Simi Valley internet customers who want faster speeds have between 1 and 10 choices of companies offering speeds up to or over 25 Mbps.
More internet companies with faster speeds means fewer monopolies and better prices for customers. In promoting a free market for internet, Simi Valley is doing quite well.
TV & Internet 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.
Spectrum Cable in Simi Valley, CA
Spectrum cable coverage
About 99.78%, or 128,731 people, have Spectrum cable internet available to them in the city. The company covers the entire Simi Valley area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in most of Simi Valley.
Spectrum cable download speeds
Spectrum is below average when comparing download speeds to all other internet providers in Simi Valley. Versus other cable providers in the area, Spectrum cable is the fastest. There are no different maximum speeds throughout Simi Valley. The fastest plan anyone in Simi Valley can order from Spectrum goes up to 1,000 Mbps, and all Simi Valley customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In Simi Valley download speeds tend to be faster than than upload speeds for Spectrum cable. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and the fastest compared to other Simi Valley cable providers. Spectrum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Simi Valley is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
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
GigabitNow Fiber in Simi Valley, CA
GigabitNow fiber coverage
About 38.22%, or 49,309 people, have GigabitNow fiber internet available to them in the city. The company covers the entire Simi Valley area. GigabitNow is a large internet service provider internet service providers in the US, with internet service available in some of Simi Valley.
GigabitNow fiber download speeds
GigabitNow is the fastest when comparing download speeds to all other internet providers in Simi Valley. Versus other fiber providers in the area, GigabitNow fiber is the fastest. There are no different maximum speeds throughout Simi Valley. The fastest plan anyone in Simi Valley can order from GigabitNow goes up to 5,000 Mbps, and all Simi Valley customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
GigabitNow fiber upload speeds
In Simi Valley download speeds tend to be equal to than upload speeds for GigabitNow fiber. Compared to other ISPs, GigabitNow is the fastest where upload speeds are concerned, and the fastest compared to other Simi Valley fiber providers. GigabitNow offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Simi Valley is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
EarthLink Fiber in Simi Valley, CA
EarthLink fiber coverage
About 16.10%, or 20,769 people, have EarthLink fiber 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 a small portion of Simi Valley.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in Simi Valley. Versus other fiber providers in the area, EarthLink fiber is above average. There are 2 different maximum speeds throughout Simi Valley. The fastest plan anyone in Simi Valley can order from EarthLink goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the city-wide average maximum speed for Simi Valley customers is up to 4,477 Mbps.
Show all download speeds
- 86.9% up to 5,000.0 Mbps
- 13.1% up to 1,000.0 Mbps
EarthLink fiber upload speeds
In Simi Valley download speeds tend to be equal to than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is above average where upload speeds are concerned, and above average compared to other Simi Valley fiber providers. EarthLink offers 2 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 5,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, EarthLink customers can get speeds up to 4,477 Mbps.
Show all upload speeds
- 86.9% up to 5,000.0 Mbps
- 13.1% up to 1,000.0 Mbps
AT&T Fiber in Simi Valley, CA
AT&T fiber coverage
About 16.10%, or 20,769 people, have AT&T fiber 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 a small portion of Simi Valley.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in Simi Valley. Versus other fiber providers in the area, AT&T fiber is above average. There are 2 different maximum speeds throughout Simi Valley. The fastest plan anyone in Simi Valley can order from AT&T goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the city-wide average maximum speed for Simi Valley customers is up to 4,477 Mbps.
Show all download speeds
- 86.9% up to 5,000.0 Mbps
- 13.1% up to 1,000.0 Mbps
AT&T fiber upload speeds
In Simi Valley download speeds tend to be equal to than upload speeds for AT&T fiber. Compared to other ISPs, AT&T is above average where upload speeds are concerned, and above average compared to other Simi Valley fiber providers. AT&T offers 2 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 5,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, AT&T customers can get speeds up to 4,477 Mbps.
Show all upload speeds
- 86.9% up to 5,000.0 Mbps
- 13.1% up to 1,000.0 Mbps
T-Mobile Home Internet Fixed Wireless in Simi Valley, CA
T-Mobile Home Internet fixed wireless coverage
About 83.96%, or 108,321 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire Simi Valley area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in much of Simi Valley.
T-Mobile Home Internet fixed wireless download speeds
T-Mobile Home Internet is below average when comparing download speeds to all other internet providers in Simi Valley. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout Simi Valley. The fastest plan anyone in Simi Valley can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Simi Valley customers is up to 62 Mbps.
Show all download speeds
- 49.9% up to 100.0 Mbps
- 50.1% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Simi Valley download speeds tend to be faster than than upload speeds for T-Mobile Home Internet fixed wireless. Compared to other ISPs, T-Mobile Home Internet is below average where upload speeds are concerned, and average compared to other Simi Valley fixed wireless providers. T-Mobile Home Internet offers 2 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 3.0 Mbps. On average, T-Mobile Home Internet customers can get speeds up to 11 Mbps.
Show all upload speeds
- 49.9% up to 20.0 Mbps
- 50.1% up to 3.0 Mbps
EarthLink Fixed Wireless in Simi Valley, CA
EarthLink fixed wireless coverage
About 62.84%, or 81,068 people, have EarthLink fixed wireless 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 a majority of Simi Valley.
EarthLink fixed wireless download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Simi Valley. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are 2 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 25 Mbps, and the city-wide average maximum speed for Simi Valley customers is up to 39 Mbps.
Show all download speeds
- 18.9% up to 100.0 Mbps
- 81.1% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Simi Valley download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Simi Valley fixed wireless providers. EarthLink offers 2 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 3.0 Mbps. On average, EarthLink customers can get speeds up to 6.2 Mbps.
Show all upload speeds
- 18.9% up to 20.0 Mbps
- 81.1% up to 3.0 Mbps
AT&T Fixed Wireless in Simi Valley, CA
AT&T fixed wireless coverage
About 62.84%, or 81,068 people, have AT&T fixed wireless 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 a majority of Simi Valley.
AT&T fixed wireless download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Simi Valley. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are 2 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 25 Mbps, and the city-wide average maximum speed for Simi Valley customers is up to 39 Mbps.
Show all download speeds
- 18.9% up to 100.0 Mbps
- 81.1% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Simi Valley download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Simi Valley fixed wireless providers. AT&T offers 2 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 3.0 Mbps. On average, AT&T customers can get speeds up to 6.2 Mbps.
Show all upload speeds
- 18.9% up to 20.0 Mbps
- 81.1% up to 3.0 Mbps
Verizon Fixed Wireless in Simi Valley, CA
Verizon fixed wireless coverage
About 59.77%, or 77,115 people, have Verizon fixed wireless internet available to them in the city. The company covers the entire Simi Valley area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Simi Valley.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Simi Valley. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout Simi Valley. The fastest plan anyone in Simi Valley can order from Verizon goes up to 300 Mbps, and all Simi Valley customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Simi Valley download speeds tend to be faster than than upload speeds for Verizon fixed wireless. Compared to other ISPs, Verizon is below average where upload speeds are concerned, and the fastest compared to other Simi Valley fixed wireless providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Simi Valley is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Simi Valley Internet 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 internet in Simi Valley compare to the rest of California?
Internet speeds in Simi Valley are slower versus the average speeds in California: 3,631 Mbps in California versus 2,814 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in California is 98.73% versus 99.90% in Simi Valley.
What zip codes have widespread internet?
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 internet service 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 internet coverage, slower speeds
- Virginia Colony, CA: more internet coverage, slower speeds
- Oak Park, CA: more internet coverage, slower speeds
- West Hills, CA: less internet coverage, slower speeds
- Moorpark, CA: less internet coverage, slower speeds
- Thousand Oaks, CA: less internet coverage, faster speeds
- Chatsworth, CA: less internet coverage, slower speeds
- Agoura Hills, CA: less internet coverage, slower speeds
- Hidden Hills, CA: more internet coverage, slower speeds
- Canoga Park, CA: less internet coverage, slower speeds
Cities with Similar Populations
- St. Petersburg, FL: less internet coverage, faster speeds
- Springfield, OR: less internet coverage, faster speeds
- Staten Island, NY: less internet coverage, slower speeds
- St. Cloud, FL: less internet coverage, faster speeds
- San Bernardino, CA: less internet coverage, faster speeds
- Rochester, NY: less internet coverage, faster speeds
- Santa Ana, CA: less internet coverage, faster speeds
- Roseville, CA: more internet coverage, slower speeds
- San Ramon, CA: more internet coverage, faster speeds
- San Leandro, CA: less internet coverage, faster speeds