In Alta Sierra there are 12 residential internet providers covering 100.00% of the city. The average home can get speeds up to 524 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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12 Internet Service Providers in Alta Sierra
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 Alta Sierra are not shown.
Alta Sierra 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 Alta Sierra
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 100.00% of Alta Sierra. 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 Optimum. Now you can call companies in Alta Sierra with more confidence that they might be available.
How fast are internet speeds in Alta Sierra?
The map below shows maximum internet speeds by area in Alta Sierra.
Internet Speed Key
The average Alta Sierra home can get up to 524 Mbps on their internet plan. For most people, the fastest download speed in the city is 1,000 Mbps, which 6.29% 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 100 Mbps. See the internet provider details below for info about their speed and coverage in Alta Sierra.
Internet speeds tend to be faster in the east parts of Alta Sierra, and slower in the southwest areas of the city.
What type of internet should I choose in Alta Sierra?
The fastest internet for you may vary based on where in Alta Sierra you live. If speed is your main concern, cable will be the fastest internet in the city.
- Fiber is the fastest internet type for 6.29% of Alta Sierra homes.
- Cable is fastest for 91.05% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 2.67%.
- Satellite internet may be the only option for less than 1% of Alta Sierra homes.
Internet Market Health in Alta Sierra
Internet Competition Key
The map shows how competitive the Alta Sierra 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 Alta Sierra based on what connections the average home has availabile:
- Average number of internet service providers to a home: 6.6 (very healthy)
- Average types of service (fiber, cable, DSL, etc): 2.6 (healthy)
- Average providers with broadband (25 Mbps+) speeds: 5.5 (healthy)
Overall, competition is healthy.
Alta Sierra 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, Alta Sierra homes have between 1 and 4 options. The type(s) of service available are fixed wireless, cable, dsl, 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. Alta Sierra internet customers who want faster speeds have between 1 and 8 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, Alta Sierra is doing better than most.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Alta Sierra, along with details on where in Alta Sierra and at what speeds.
Optimum Cable in Alta Sierra, CA
Optimum cable coverage
About 96.20%, or 6,930 people, have Optimum cable internet available to them in the city. The company covers the entire Alta Sierra area. Optimum is one of the largest internet service providers internet service providers in the US, with internet service available in most of Alta Sierra.
Optimum cable download speeds
Optimum is above average when comparing download speeds to all other internet providers in Alta Sierra. Versus other cable providers in the area, Optimum cable is the fastest. There are no different maximum speeds throughout Alta Sierra. The fastest plan anyone in Alta Sierra can order from Optimum goes up to 500 Mbps, and all Alta Sierra customers can get this speed.
Show all download speeds
- 100.0% up to 500.0 Mbps
Optimum cable upload speeds
In Alta Sierra download speeds tend to be faster than than upload speeds for Optimum cable. Compared to other ISPs, Optimum is below average where upload speeds are concerned, and the fastest compared to other Alta Sierra cable providers. Optimum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Alta Sierra is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
AT&T DSL in Alta Sierra, CA
AT&T DSL coverage
About 53.75%, or 3,872 people, have AT&T DSL internet available to them in the city. The company covers the northeast, northwest, central, south, east, west, and southeast Alta Sierra 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 Alta Sierra.
AT&T DSL download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Alta Sierra. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are no different maximum speeds throughout Alta Sierra. The fastest plan anyone in Alta Sierra can order from AT&T goes up to 10 Mbps, and all Alta Sierra customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
AT&T DSL upload speeds
In Alta Sierra download speeds tend to be faster than than upload speeds for AT&T DSL. Compared to other ISPs, AT&T is one of the slowest where upload speeds are concerned, and one of the fastest compared to other Alta Sierra DSL providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Alta Sierra is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
EarthLink DSL in Alta Sierra, CA
EarthLink DSL coverage
About 53.75%, or 3,872 people, have EarthLink DSL internet available to them in the city. The company covers the northeast, northwest, central, south, east, west, and southeast Alta Sierra area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Alta Sierra.
EarthLink DSL download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Alta Sierra. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are no different maximum speeds throughout Alta Sierra. The fastest plan anyone in Alta Sierra can order from EarthLink goes up to 10 Mbps, and all Alta Sierra customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
EarthLink DSL upload speeds
In Alta Sierra download speeds tend to be faster than than upload speeds for EarthLink DSL. Compared to other ISPs, EarthLink is one of the slowest where upload speeds are concerned, and one of the fastest compared to other Alta Sierra DSL providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Alta Sierra is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
Race Communications Fiber in Alta Sierra, CA
Race Communications fiber coverage
About 6.29%, or 453 people, have Race Communications fiber internet available to them in the city. The company covers the east and northeast Alta Sierra area. Race Communications is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Alta Sierra.
Race Communications fiber download speeds
Race Communications is the fastest when comparing download speeds to all other internet providers in Alta Sierra. Versus other fiber providers in the area, Race Communications fiber is the fastest. There are no different maximum speeds throughout Alta Sierra. The fastest plan anyone in Alta Sierra can order from Race Communications goes up to 1,000 Mbps, and all Alta Sierra customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Race Communications fiber upload speeds
In Alta Sierra download speeds tend to be equal to than upload speeds for Race Communications fiber. Compared to other ISPs, Race Communications is the fastest where upload speeds are concerned, and the fastest compared to other Alta Sierra fiber providers. Race Communications offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Alta Sierra is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Frontier Communications DSL in Alta Sierra, CA
Frontier DSL coverage
About 2.85%, or 205 people, have Frontier DSL internet available to them in the city. The company covers the northeast and east Alta Sierra area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Alta Sierra.
Frontier Communications DSL download speeds
Frontier is one of the slowest when comparing download speeds to all other internet providers in Alta Sierra. Versus other DSL providers in the area, Frontier DSL is one of the fastest. There are no different maximum speeds throughout Alta Sierra. The fastest plan anyone in Alta Sierra can order from Frontier goes up to 10 Mbps, and all Alta Sierra customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In Alta Sierra download speeds tend to be faster than than upload speeds for Frontier DSL. Compared to other ISPs, Frontier is one of the slowest where upload speeds are concerned, and one of the fastest compared to other Alta Sierra DSL providers. Frontier offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Alta Sierra is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
SmarterBroadband Fixed Wireless in Alta Sierra, CA
SmarterBroadband fixed wireless coverage
About 100.00%, or 7,204 people, have SmarterBroadband fixed wireless internet available to them in the city. The company covers the entire Alta Sierra area. SmarterBroadband is a large internet service provider internet service providers in the US, with internet service available in every corner of Alta Sierra.
SmarterBroadband fixed wireless download speeds
SmarterBroadband is below average when comparing download speeds to all other internet providers in Alta Sierra. Versus other fixed wireless providers in the area, SmarterBroadband fixed wireless is below average. There are 2 different maximum speeds throughout Alta Sierra. The fastest plan anyone in Alta Sierra can order from SmarterBroadband goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Alta Sierra customers is up to 96 Mbps.
Show all download speeds
- 94.5% up to 100.0 Mbps
- 5.5% up to 25.0 Mbps
SmarterBroadband fixed wireless upload speeds
In Alta Sierra download speeds tend to be faster than than upload speeds for SmarterBroadband fixed wireless. Compared to other ISPs, SmarterBroadband is below average where upload speeds are concerned, and the fastest compared to other Alta Sierra fixed wireless providers. SmarterBroadband 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 Alta Sierra is up to 25 Mbps. Some customers have slower plan choices, which only go up to 5.0 Mbps. On average, SmarterBroadband customers can get speeds up to 24 Mbps.
Show all upload speeds
- 94.5% up to 25.0 Mbps
- 5.5% up to 5.0 Mbps
T-Mobile Home Internet Fixed Wireless in Alta Sierra, CA
T-Mobile Home Internet fixed wireless coverage
About 88.34%, or 6,364 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the north, central, south, northwest, northeast, southwest, west, and east Alta Sierra area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in most of Alta Sierra.
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 Alta Sierra. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are no different maximum speeds throughout Alta Sierra. The fastest plan anyone in Alta Sierra can order from T-Mobile Home Internet goes up to 25 Mbps, and all Alta Sierra customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Alta Sierra 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 below average compared to other Alta Sierra fixed wireless providers. T-Mobile Home Internet offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Alta Sierra is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
Cal.net Fixed Wireless in Alta Sierra, CA
Cal.net fixed wireless coverage
About 84.33%, or 6,075 people, have Cal.net fixed wireless internet available to them in the city. The company covers the south, northeast, central, north, northwest, southwest, east, and west Alta Sierra area. Cal.net is a large internet service provider internet service providers in the US, with internet service available in much of Alta Sierra.
Cal.net fixed wireless download speeds
Cal.net is below average when comparing download speeds to all other internet providers in Alta Sierra. Versus other fixed wireless providers in the area, Cal.net fixed wireless is average. There are no different maximum speeds throughout Alta Sierra. The fastest plan anyone in Alta Sierra can order from Cal.net goes up to 100 Mbps, and all Alta Sierra customers can get this speed.
Show all download speeds
- 100.0% up to 100.0 Mbps
Cal.net fixed wireless upload speeds
In Alta Sierra download speeds tend to be faster than than upload speeds for Cal.net fixed wireless. Compared to other ISPs, Cal.net is below average where upload speeds are concerned, and above average compared to other Alta Sierra fixed wireless providers. Cal.net offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Alta Sierra is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
DigitalPath Fixed Wireless in Alta Sierra, CA
DigitalPath fixed wireless coverage
About 83.40%, or 6,008 people, have DigitalPath fixed wireless internet available to them in the city. The company covers the south, north, northwest, northeast, central, west, southwest, and east Alta Sierra area. DigitalPath is a large internet service provider internet service providers in the US, with internet service available in much of Alta Sierra.
DigitalPath fixed wireless download speeds
DigitalPath is average when comparing download speeds to all other internet providers in Alta Sierra. Versus other fixed wireless providers in the area, DigitalPath fixed wireless is above average. There are 2 different maximum speeds throughout Alta Sierra. The fastest plan anyone in Alta Sierra can order from DigitalPath goes up to 200 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Alta Sierra customers is up to 198 Mbps.
Show all download speeds
- 99.1% up to 200.0 Mbps
- 0.9% up to 10.0 Mbps
DigitalPath fixed wireless upload speeds
In Alta Sierra download speeds tend to be faster than than upload speeds for DigitalPath fixed wireless. Compared to other ISPs, DigitalPath is below average where upload speeds are concerned, and above average compared to other Alta Sierra fixed wireless providers. DigitalPath 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 Alta Sierra is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, DigitalPath customers can get speeds up to 20 Mbps.
Show all upload speeds
- 99.1% up to 20.0 Mbps
- 0.9% up to 1.0 Mbps
Verizon Fixed Wireless in Alta Sierra, CA
Verizon fixed wireless coverage
About 71.28%, or 5,135 people, have Verizon fixed wireless internet available to them in the city. The company covers the northeast, central, north, south, northwest, west, east, and southwest Alta Sierra area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in much of Alta Sierra.
Verizon fixed wireless download speeds
Verizon is above average when comparing download speeds to all other internet providers in Alta Sierra. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout Alta Sierra. The fastest plan anyone in Alta Sierra can order from Verizon goes up to 300 Mbps, and all Alta Sierra customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Alta Sierra 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 above average compared to other Alta Sierra fixed wireless providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Alta Sierra is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
EarthLink Fixed Wireless in Alta Sierra, CA
EarthLink fixed wireless coverage
About 11.56%, or 833 people, have EarthLink fixed wireless internet available to them in the city. The company covers the north and northwest Alta Sierra area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Alta Sierra.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Alta Sierra. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are 2 different maximum speeds throughout Alta Sierra. The fastest plan anyone in Alta Sierra can order from EarthLink goes up to 25 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Alta Sierra customers is up to 24 Mbps.
Show all download speeds
- 96.5% up to 25.0 Mbps
- 3.5% up to 10.0 Mbps
EarthLink fixed wireless upload speeds
In Alta Sierra download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and one of the slowest compared to other Alta Sierra 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 Alta Sierra is up to 3.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, EarthLink customers can get speeds up to 2.9 Mbps.
Show all upload speeds
- 96.5% up to 3.0 Mbps
- 3.5% up to 1.0 Mbps
AT&T Fixed Wireless in Alta Sierra, CA
AT&T fixed wireless coverage
About 11.56%, or 833 people, have AT&T fixed wireless internet available to them in the city. The company covers the north and northwest Alta Sierra area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Alta Sierra.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in Alta Sierra. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are 2 different maximum speeds throughout Alta Sierra. The fastest plan anyone in Alta Sierra can order from AT&T goes up to 25 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Alta Sierra customers is up to 24 Mbps.
Show all download speeds
- 96.5% up to 25.0 Mbps
- 3.5% up to 10.0 Mbps
AT&T fixed wireless upload speeds
In Alta Sierra download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and one of the slowest compared to other Alta Sierra 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 Alta Sierra is up to 3.0 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 2.9 Mbps.
Show all upload speeds
- 96.5% up to 3.0 Mbps
- 3.5% up to 1.0 Mbps
Alta Sierra Internet by Area
This information is most helpful to those looking for homes or considering moving to Alta Sierra or any of the areas nearby.
How does internet in Alta Sierra compare to the rest of California?
Internet speeds in Alta Sierra are much slower versus the average speeds in California: 3,631 Mbps in California versus 524 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in California is 98.73% versus 100.00% in Alta Sierra.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Alta Sierra 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
- Grass Valley, CA: less internet coverage, faster speeds
- Shady Glen, CA: equal internet coverage, faster speeds
- Colfax, CA: less internet coverage, faster speeds
- Weimar, CA: equal internet coverage, faster speeds
- Rough And Ready, CA: less internet coverage, faster speeds
- Meadow Vista, CA: less internet coverage, faster speeds
- Magra, CA: equal internet coverage, slower speeds
- Heather Glen, CA: equal internet coverage, faster speeds
- Penn Valley, CA: less internet coverage, faster speeds
- Nevada City, CA: less internet coverage, faster speeds
Cities with Similar Populations
- Roseland, NJ: less internet coverage, faster speeds
- San Martin, CA: less internet coverage, faster speeds
- Eureka, IL: less internet coverage, faster speeds
- Montpelier, VA: less internet coverage, faster speeds
- Lake Carmel, NY: equal internet coverage, faster speeds
- Walls, MS: equal internet coverage, faster speeds
- Hodgenville, KY: less internet coverage, faster speeds
- Lagrangeville, NY: less internet coverage, faster speeds
- Montague, MI: less internet coverage, faster speeds
- Hawthorne, FL: less internet coverage, faster speeds