In Ontario there are 9 residential internet providers covering 99.98% of the city. The average home can get speeds up to 6,657 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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9 Internet Service Providers in Ontario
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 Ontario are not shown.
Ontario 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 Ontario
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.
Please note some providers will take longer to load than others
Internet service is available in 99.98% of Ontario. 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 Frontier. Now you can call companies in Ontario with more confidence that they might be available.
How fast are internet speeds in Ontario?
The map below shows maximum internet speeds by area in Ontario.
Internet Speed Key
The average Ontario home can get up to 6,657 Mbps on their internet plan. For most people, the fastest download speed in the city is 8,000 Mbps, which less than 1% 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 Ontario.
Internet speeds tend to be faster in the southwest parts of Ontario, and slower in the northeast areas of the city.
What type of internet should I choose in Ontario?
The fastest internet for you may vary based on where in Ontario you live. If speed is your main concern, fiber will be the fastest internet in the city.
- Fiber is the fastest internet type for 95.42% of Ontario homes.
- Cable is fastest for 4.42% 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 Ontario homes.
Internet Market Health in Ontario
Internet Competition Key
The map shows how competitive the Ontario 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 Ontario based on what connections the average home has availabile:
- Average number of internet service providers to a home: 5.4 (healthy)
- Average types of service (fiber, cable, DSL, etc): 3.0 (healthy)
- Average providers with broadband (25 Mbps+) speeds: 5.4 (healthy)
Overall, competition is healthy.
Ontario internet customers have the ability to buy internet service from 1 to 8 different providers, depending on where they live. For different types of service, Ontario homes have between 1 and 4 options. The type(s) of service available are cable, fixed wireless, fiber, and dsl, 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. Ontario 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, Ontario is doing better than most.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Ontario, along with details on where in Ontario and at what speeds.
Spectrum Cable in Ontario, CA
Spectrum cable coverage
About 98.81%, or 175,251 people, have Spectrum cable internet available to them in the city. The company covers the entire Ontario area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in most of Ontario.
Spectrum cable download speeds
Spectrum is below average when comparing download speeds to all other internet providers in Ontario. Versus other cable providers in the area, Spectrum cable is the fastest. There are no different maximum speeds throughout Ontario. The fastest plan anyone in Ontario can order from Spectrum goes up to 1,000 Mbps, and all Ontario customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In Ontario 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 Ontario cable providers. Spectrum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Ontario is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
Frontier Communications Fiber in Ontario, CA
Frontier fiber coverage
About 94.24%, or 167,137 people, have Frontier fiber internet available to them in the city. The company covers the entire Ontario area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in most of Ontario.
Frontier Communications fiber download speeds
Frontier is above average when comparing download speeds to all other internet providers in Ontario. Versus other fiber providers in the area, Frontier fiber is above average. There are 2 different maximum speeds throughout Ontario. The fastest plan anyone in Ontario can order from Frontier goes up to 7,000 Mbps, the slowest package only goes up to 50 Mbps, and the city-wide average maximum speed for Ontario customers is up to 6,996 Mbps.
Show all download speeds
- 99.9% up to 7,000.0 Mbps
- 0.1% up to 50.0 Mbps
Frontier Communications fiber upload speeds
In Ontario download speeds tend to be equal to than upload speeds for Frontier fiber. Compared to other ISPs, Frontier is above average where upload speeds are concerned, and above average compared to other Ontario fiber providers. Frontier 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 Ontario is up to 7,000 Mbps. Some customers have slower plan choices, which only go up to 50 Mbps. On average, Frontier customers can get speeds up to 6,996 Mbps.
Show all upload speeds
- 99.9% up to 7,000.0 Mbps
- 0.1% up to 50.0 Mbps
Onward Fiber in Ontario, CA
Onward fiber coverage
About 7.48%, or 13,258 people, have Onward fiber internet available to them in the city. The company covers the southeast, northeast, southwest, and central Ontario 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 Ontario.
Onward fiber download speeds
Onward is below average when comparing download speeds to all other internet providers in Ontario. Versus other fiber providers in the area, Onward fiber is one of the slowest. There are no different maximum speeds throughout Ontario. The fastest plan anyone in Ontario can order from Onward goes up to 1,000 Mbps, and all Ontario customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Onward fiber upload speeds
In Ontario download speeds tend to be equal to than upload speeds for Onward fiber. Compared to other ISPs, Onward is below average where upload speeds are concerned, and below average compared to other Ontario fiber providers. Onward offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Ontario is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Spectrum Fiber in Ontario, CA
Spectrum fiber coverage
About 4.39%, or 7,794 people, have Spectrum fiber internet available to them in the city. The company covers the southeast, northeast, and west Ontario area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Ontario.
Spectrum fiber download speeds
Spectrum is below average when comparing download speeds to all other internet providers in Ontario. Versus other fiber providers in the area, Spectrum fiber is one of the slowest. There are no different maximum speeds throughout Ontario. The fastest plan anyone in Ontario can order from Spectrum goes up to 1,000 Mbps, and all Ontario customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum fiber upload speeds
In Ontario download speeds tend to be faster than than upload speeds for Spectrum fiber. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and the slowest compared to other Ontario fiber providers. Spectrum 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 Ontario is up to 500 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, Spectrum customers can get speeds up to 228 Mbps.
Show all upload speeds
- 41.6% up to 500.0 Mbps
- 58.4% up to 35.0 Mbps
Frontier Communications DSL in Ontario, CA
Frontier DSL coverage
About 2.49%, or 4,419 people, have Frontier DSL internet available to them in the city. The company covers the southeast, northeast, northwest, and south Ontario 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 Ontario.
Frontier Communications DSL download speeds
Frontier is the slowest when comparing download speeds to all other internet providers in Ontario. Versus other DSL providers in the area, Frontier DSL is the slowest. There are no different maximum speeds throughout Ontario. The fastest plan anyone in Ontario can order from Frontier goes up to 10 Mbps, and all Ontario customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In Ontario 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 slowest compared to other Ontario DSL providers. Frontier offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Ontario is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
T-Mobile Home Internet Fixed Wireless in Ontario, CA
T-Mobile Home Internet fixed wireless coverage
About 94.43%, or 167,473 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire Ontario 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 Ontario.
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 Ontario. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout Ontario. The fastest plan anyone in Ontario 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 Ontario customers is up to 69 Mbps.
Show all download speeds
- 58.1% up to 100.0 Mbps
- 41.9% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Ontario 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 Ontario 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 Ontario 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 13 Mbps.
Show all upload speeds
- 58.1% up to 20.0 Mbps
- 41.9% up to 3.0 Mbps
EarthLink Fixed Wireless in Ontario, CA
EarthLink fixed wireless coverage
About 79.53%, or 141,042 people, have EarthLink fixed wireless internet available to them in the city. The company covers the entire Ontario area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Ontario.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Ontario. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are 2 different maximum speeds throughout Ontario. The fastest plan anyone in Ontario 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 Ontario customers is up to 42 Mbps.
Show all download speeds
- 22.4% up to 100.0 Mbps
- 77.6% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Ontario 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 Ontario 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 Ontario 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 6.8 Mbps.
Show all upload speeds
- 22.4% up to 20.0 Mbps
- 77.6% up to 3.0 Mbps
AT&T Fixed Wireless in Ontario, CA
AT&T fixed wireless coverage
About 79.53%, or 141,042 people, have AT&T fixed wireless internet available to them in the city. The company covers the entire Ontario area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of Ontario.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in Ontario. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are 2 different maximum speeds throughout Ontario. The fastest plan anyone in Ontario 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 Ontario customers is up to 42 Mbps.
Show all download speeds
- 22.4% up to 100.0 Mbps
- 77.6% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Ontario 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 Ontario 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 Ontario 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 6.8 Mbps.
Show all upload speeds
- 22.4% up to 20.0 Mbps
- 77.6% up to 3.0 Mbps
Verizon Fixed Wireless in Ontario, CA
Verizon fixed wireless coverage
About 76.00%, or 134,788 people, have Verizon fixed wireless internet available to them in the city. The company covers the entire Ontario area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in much of Ontario.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Ontario. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout Ontario. The fastest plan anyone in Ontario can order from Verizon goes up to 300 Mbps, and all Ontario customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Ontario 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 Ontario fixed wireless providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Ontario is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Ontario Internet by Area
This information is most helpful to those looking for homes or considering moving to Ontario or any of the areas nearby.
How does internet in Ontario compare to the rest of California?
Internet speeds in Ontario are much faster versus the average speeds in California: 3,631 Mbps in California versus 6,657 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in California is 98.73% versus 99.98% in Ontario.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Ontario 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
- Chino, CA: less internet coverage, faster speeds
- Montclair, CA: more internet coverage, slower speeds
- Upland, CA: less internet coverage, slower speeds
- Rancho Cucamonga, CA: less internet coverage, slower speeds
- Claremont, CA: less internet coverage, slower speeds
- Eastvale, CA: less internet coverage, slower speeds
- Pomona, CA: less internet coverage, faster speeds
- Alta Loma, CA: less internet coverage, slower speeds
- Chino Hills, CA: less internet coverage, slower speeds
- Mira Loma, CA: less internet coverage, slower speeds
Cities with Similar Populations
- Lawrence, KS: less internet coverage, slower speeds
- Lehi, UT: less internet coverage, slower speeds
- Lehigh Acres, FL: less internet coverage, slower speeds
- Littleton, CO: less internet coverage, slower speeds
- Lexington, SC: less internet coverage, slower speeds
- Lodi, CA: less internet coverage, slower speeds
- Las Vegas, NV: less internet coverage, slower speeds
- Lima, OH: less internet coverage, slower speeds
- Las Cruces, NM: less internet coverage, slower speeds
- Layton, UT: less internet coverage, faster speeds