In Onyx there are 4 residential internet providers covering 77.47% of the city. The average home can get speeds up to 991 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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4 Internet Service Providers in Onyx
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 Onyx are not shown.
Onyx 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 Onyx
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 77.47% of Onyx. 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 Mediacom. Now you can call companies in Onyx with more confidence that they might be available.
How fast are internet speeds in Onyx?
The map below shows maximum internet speeds by area in Onyx.
Internet Speed Key
The average Onyx home can get up to 991 Mbps on their internet plan. For most people, the fastest download speed in the city is 1,000 Mbps, which 76.70% 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 Onyx.
Internet speeds tend to be faster in the central parts of Onyx, and slower in the southwest areas of the city.
What type of internet should I choose in Onyx?
The fastest internet for you may vary based on where in Onyx you live. If speed is your main concern, cable will be the fastest internet in the city.
- Fiber is the fastest internet type for less than 1% of Onyx homes.
- Cable is fastest for 76.70% 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 22.53% of Onyx homes.
Internet Market Health in Onyx
Internet Competition Key
The map shows how competitive the Onyx 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 Onyx based on what connections the average home has availabile:
- Average number of internet service providers to a home: 1.2 (very unhealthy)
- Average types of service (fiber, cable, DSL, etc): 1.2 (very unhealthy)
- Average providers with broadband (25 Mbps+) speeds: 1.2 (very unhealthy)
Overall, competition is very unhealthy.
Onyx internet customers have the ability to buy internet service from 1 to 2 different providers, depending on where they live. For different types of service, Onyx homes have between 1 and 2 options. The type(s) of service available are cable and fixed wireless, 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. Onyx internet customers who want faster speeds have between 1 and 2 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, Onyx badly needs improvement.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Onyx, along with details on where in Onyx and at what speeds.
Mediacom Cable in Onyx, CA
Mediacom cable coverage
About 76.70%, or 497 people, have Mediacom cable internet available to them in the city. The company covers the entire Onyx area. Mediacom is one of the largest internet service providers internet service providers in the US, with internet service available in much of Onyx.
Mediacom cable download speeds
Mediacom is the fastest when comparing download speeds to all other internet providers in Onyx. Versus other cable providers in the area, Mediacom cable is the fastest. There are no different maximum speeds throughout Onyx. The fastest plan anyone in Onyx can order from Mediacom goes up to 1,000 Mbps, and all Onyx customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Mediacom cable upload speeds
In Onyx download speeds tend to be faster than than upload speeds for Mediacom cable. Compared to other ISPs, Mediacom is the fastest where upload speeds are concerned, and the fastest compared to other Onyx cable providers. Mediacom offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Onyx is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
T-Mobile Home Internet Fixed Wireless in Onyx, CA
T-Mobile Home Internet fixed wireless coverage
About 13.58%, or 88 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the south, central, and southwest Onyx area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Onyx.
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 Onyx. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is the fastest. There are 2 different maximum speeds throughout Onyx. The fastest plan anyone in Onyx 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 Onyx customers is up to 40 Mbps.
Show all download speeds
- 20.5% up to 100.0 Mbps
- 79.5% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Onyx 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 the fastest compared to other Onyx 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 Onyx 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 6.5 Mbps.
Show all upload speeds
- 20.5% up to 20.0 Mbps
- 79.5% up to 3.0 Mbps
Onyx Internet by Area
This information is most helpful to those looking for homes or considering moving to Onyx or any of the areas nearby.
How does internet in Onyx compare to the rest of California?
Internet speeds in Onyx are much slower versus the average speeds in California: 3,631 Mbps in California versus 991 Mbps in the city. The state has far less internet availability compared to the city. Average internet coverage in California is 98.73% versus 77.47% in Onyx.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Onyx 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
- Weldon, CA: more internet coverage, slower speeds
- Johnsondale, CA: more internet coverage, slower speeds
- Mountain Mesa, CA: more internet coverage, slower speeds
- Kernville, CA: more internet coverage, slower speeds
- Lake Isabella, CA: more internet coverage, faster speeds
- Wofford Heights, CA: more internet coverage, slower speeds
- Pearsonville, CA: less internet coverage, slower speeds
- Bodfish, CA: more internet coverage, faster speeds
- Inyokern, CA: more internet coverage, slower speeds
- China Lake Acres, CA: more internet coverage, slower speeds
Cities with Similar Populations
- McCausland, IA: more internet coverage, faster speeds
- Paxton, NE: more internet coverage, slower speeds
- Partridge, KS: more internet coverage, slower speeds
- Midvale, ID: more internet coverage, slower speeds
- Meyersville, TX: more internet coverage, slower speeds
- Mesa, CO: more internet coverage, slower speeds
- Merom, IN: more internet coverage, slower speeds
- Melrose, TX: more internet coverage, faster speeds
- McKay, OH: more internet coverage, slower speeds
- McGee, WV: more internet coverage, faster speeds