In Mammoth Lakes there are 10 residential internet providers covering 97.82% of the city. The average home can get speeds up to 934 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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10 Internet Service Providers in Mammoth Lakes
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 Mammoth Lakes are not shown.
Mammoth Lakes 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 Mammoth Lakes
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 97.82% of Mammoth Lakes. 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 Mammoth Lakes with more confidence that they might be available.
How fast are internet speeds in Mammoth Lakes?
The map below shows maximum internet speeds by area in Mammoth Lakes.

Internet Speed Key
The average Mammoth Lakes home can get up to 934 Mbps on their internet plan. For most people, the fastest download speed in the city is 1,000 Mbps, which 16.27% 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 10 Mbps. See the internet provider details below for info about their speed and coverage in Mammoth Lakes.
Internet speeds tend to be faster in the west parts of Mammoth Lakes, and slower in the south areas of the city.
What type of internet should I choose in Mammoth Lakes?
The fastest internet for you may vary based on where in Mammoth Lakes you live. If speed is your main concern, cable will be the fastest internet in the city.
- Fiber is the fastest internet type for 16.27% of Mammoth Lakes homes.
- Cable is fastest for 79.40% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 2.07%.
- Satellite internet may be the only option for 2.18% of Mammoth Lakes homes.
Internet Market Health in Mammoth Lakes

Internet Competition Key
The map shows how competitive the Mammoth Lakes 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 Mammoth Lakes based on what connections the average home has availabile:
- Average number of internet service providers to a home: 4.4 (unhealthy)
- Average types of service (fiber, cable, DSL, etc): 3.0 (healthy)
- Average providers with broadband (25 Mbps+) speeds: 4.0 (unhealthy)
Overall, competition is healthy.
Mammoth Lakes internet customers have the ability to buy internet service from 1 to 7 different providers, depending on where they live. For different types of service, Mammoth Lakes homes have between 1 and 4 options. The type(s) of service available are dsl, fixed wireless, cable, 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. Mammoth Lakes internet customers who want faster speeds have between 0 and 6 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, Mammoth Lakes is doing better than most.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Mammoth Lakes, along with details on where in Mammoth Lakes and at what speeds.
Frontier Communications DSL in Mammoth Lakes, CA

Frontier DSL coverage
About 96.30%, or 8,176 people, have Frontier DSL internet available to them in the city. The company covers the entire Mammoth Lakes area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in most of Mammoth Lakes.
Frontier Communications DSL download speeds
Frontier is below average when comparing download speeds to all other internet providers in Mammoth Lakes. Versus other DSL providers in the area, Frontier DSL is the fastest. There are 5 different maximum speeds throughout Mammoth Lakes. The fastest plan anyone in Mammoth Lakes can order from Frontier goes up to 115 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Mammoth Lakes customers is up to 44 Mbps.
Show all download speeds
- 11.2% up to 115.0 Mbps
- 10.0% up to 90.0 Mbps
- 11.6% up to 70.0 Mbps
- 20.5% up to 45.0 Mbps
- 46.7% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In Mammoth Lakes download speeds tend to be faster than than upload speeds for Frontier DSL. Compared to other ISPs, Frontier is the slowest where upload speeds are concerned, and the fastest compared to other Mammoth Lakes DSL providers. Frontier 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 Mammoth Lakes is up to 7.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Frontier customers can get speeds up to 2.7 Mbps.
Show all upload speeds
- 11.2% up to 7.0 Mbps
- 10.0% up to 5.0 Mbps
- 32.1% up to 3.0 Mbps
- 46.7% up to 1.0 Mbps
Optimum Cable in Mammoth Lakes, CA

Optimum cable coverage
About 83.72%, or 7,108 people, have Optimum cable internet available to them in the city. The company covers the central, west, northwest, north, and southeast Mammoth Lakes area. Optimum is one of the largest internet service providers internet service providers in the US, with internet service available in much of Mammoth Lakes.
Optimum cable download speeds
Optimum is above average when comparing download speeds to all other internet providers in Mammoth Lakes. Versus other cable providers in the area, Optimum cable is the fastest. There are 2 different maximum speeds throughout Mammoth Lakes. The fastest plan anyone in Mammoth Lakes can order from Optimum goes up to 940 Mbps, the slowest package only goes up to 500 Mbps, and the city-wide average maximum speed for Mammoth Lakes customers is up to 940 Mbps.
Show all download speeds
- 100.0% up to 940.0 Mbps
- 0.0% up to 500.0 Mbps
Optimum cable upload speeds
In Mammoth Lakes 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 Mammoth Lakes cable providers. Optimum 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 Mammoth Lakes is up to 35 Mbps. Some customers have slower plan choices, which only go up to 20 Mbps. On average, Optimum customers can get speeds up to 35 Mbps.
Show all upload speeds
- 100.0% up to 35.0 Mbps
- 0.0% up to 20.0 Mbps
Race Communications Fiber in Mammoth Lakes, CA

Race Communications fiber coverage
About 14.03%, or 1,191 people, have Race Communications fiber internet available to them in the city. The company covers the southeast, central, and west Mammoth Lakes 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 Mammoth Lakes.
Race Communications fiber download speeds
Race Communications is one of the fastest when comparing download speeds to all other internet providers in Mammoth Lakes. Versus other fiber providers in the area, Race Communications fiber is one of the fastest. There are no different maximum speeds throughout Mammoth Lakes. The fastest plan anyone in Mammoth Lakes can order from Race Communications goes up to 1,000 Mbps, and all Mammoth Lakes customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Race Communications fiber upload speeds
In Mammoth Lakes download speeds tend to be equal to than upload speeds for Race Communications fiber. Compared to other ISPs, Race Communications is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Mammoth Lakes fiber providers. Race Communications offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Mammoth Lakes is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Onward Fiber in Mammoth Lakes, CA

Onward fiber coverage
About 2.24%, or 190 people, have Onward fiber internet available to them in the city. The company covers the central Mammoth Lakes area. Onward is an average-sized internet service provider internet service providers in the US, with internet service available in a very small piece of Mammoth Lakes.
Onward fiber download speeds
Onward is one of the fastest when comparing download speeds to all other internet providers in Mammoth Lakes. Versus other fiber providers in the area, Onward fiber is one of the fastest. There are no different maximum speeds throughout Mammoth Lakes. The fastest plan anyone in Mammoth Lakes can order from Onward goes up to 1,000 Mbps, and all Mammoth Lakes customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Onward fiber upload speeds
In Mammoth Lakes download speeds tend to be equal to than upload speeds for Onward fiber. Compared to other ISPs, Onward is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Mammoth Lakes fiber providers. Onward offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Mammoth Lakes is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Verizon Fixed Wireless in Mammoth Lakes, CA

Verizon fixed wireless coverage
About 89.38%, or 7,588 people, have Verizon fixed wireless internet available to them in the city. The company covers the entire Mammoth Lakes area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in most of Mammoth Lakes.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Mammoth Lakes. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout Mammoth Lakes. The fastest plan anyone in Mammoth Lakes can order from Verizon goes up to 300 Mbps, and all Mammoth Lakes customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Mammoth Lakes 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 Mammoth Lakes fixed wireless providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Mammoth Lakes is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
T-Mobile Home Internet Fixed Wireless in Mammoth Lakes, CA

T-Mobile Home Internet fixed wireless coverage
About 85.63%, or 7,270 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire Mammoth Lakes 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 Mammoth Lakes.
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 Mammoth Lakes. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout Mammoth Lakes. The fastest plan anyone in Mammoth Lakes 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 Mammoth Lakes customers is up to 39 Mbps.
Show all download speeds
- 18.1% up to 100.0 Mbps
- 81.9% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Mammoth Lakes 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 Mammoth Lakes 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 Mammoth Lakes 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 6.1 Mbps.
Show all upload speeds
- 18.1% up to 20.0 Mbps
- 81.9% up to 3.0 Mbps
EarthLink Fixed Wireless in Mammoth Lakes, CA

EarthLink fixed wireless coverage
About 31.35%, or 2,662 people, have EarthLink fixed wireless internet available to them in the city. The company covers the entire Mammoth Lakes 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 Mammoth Lakes.
EarthLink fixed wireless download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Mammoth Lakes. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are no different maximum speeds throughout Mammoth Lakes. The fastest plan anyone in Mammoth Lakes can order from EarthLink goes up to 25 Mbps, and all Mammoth Lakes customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Mammoth Lakes 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 Mammoth Lakes fixed wireless providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Mammoth Lakes is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
AT&T Fixed Wireless in Mammoth Lakes, CA

AT&T fixed wireless coverage
About 31.35%, or 2,662 people, have AT&T fixed wireless internet available to them in the city. The company covers the entire Mammoth Lakes 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 Mammoth Lakes.
AT&T fixed wireless download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Mammoth Lakes. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are no different maximum speeds throughout Mammoth Lakes. The fastest plan anyone in Mammoth Lakes can order from AT&T goes up to 25 Mbps, and all Mammoth Lakes customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Mammoth Lakes 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 Mammoth Lakes fixed wireless providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Mammoth Lakes is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
Mammoth Lakes Internet by Area
This information is most helpful to those looking for homes or considering moving to Mammoth Lakes or any of the areas nearby.
How does internet in Mammoth Lakes compare to the rest of California?
Internet speeds in Mammoth Lakes are much slower versus the average speeds in California: 3,631 Mbps in California versus 934 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in California is 98.73% versus 97.82% in Mammoth Lakes.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Mammoth Lakes 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
- June Lake, CA: less internet coverage, faster speeds
- Benton, CA: less internet coverage, faster speeds
- Crestview, CA: less internet coverage, slower speeds
- Toms Place, CA: more internet coverage, slower speeds
- Yosemite National Park, CA: less internet coverage, slower speeds
- Wawona, CA: more internet coverage, slower speeds
- El Portal, CA: less internet coverage, slower speeds
- Dyer, NV: less internet coverage, slower speeds
- Sugar Pine, CA: less internet coverage, slower speeds
- Midpines, CA: more internet coverage, slower speeds
Cities with Similar Populations
- Dadeville, AL: more internet coverage, faster speeds
- Strathmore, NJ: more internet coverage, faster speeds
- DeQueen, AR: more internet coverage, faster speeds
- Delphos, OH: more internet coverage, faster speeds
- Delano, MN: more internet coverage, faster speeds
- Davisburg, MI: more internet coverage, faster speeds
- Dardanelle, AR: more internet coverage, faster speeds
- Dalzell, SC: more internet coverage, faster speeds
- Dallastown, PA: more internet coverage, faster speeds
- Dalhart, TX: more internet coverage, faster speeds


