In Summit Heights there are 3 residential DSL providers covering 18.18% of the neighborhood. The average home can get speeds up to 92 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.
This page contains all DSL internet providers in Summit Heights, Fontana, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in Summit Heights, Fontana, CA please click below.
Summit Heights, Fontana, CA Availability Maps
DSL Internet Service Providers in Summit Heights
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 Summit Heights are not shown.
Summit Heights 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
Where in Summit Heights is DSL internet available?
DSL Internet Availability Key
DSL is available in 18.18% of Summit Heights. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is AT&T. Call one of the companies with service in Summit Heights above to see who has service at your home.
How fast is DSL internet in Summit Heights?
The map below shows maximum DSL internet speeds by area in Summit Heights.
DSL Internet Speed Key
The average Summit Heights home can get up to 92 Mbps on their DSL internet plan. The fastest DSL download speed in the neighborhood is 115 Mbps, which 2.11% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 3.57% of homes can only purchase plans up to 50 Mbps. See the internet provider details below for info about their speed and coverage in Summit Heights.
DSL internet speeds tend to be faster in the north parts of Summit Heights, and slower in the east areas of the neighborhood.
Is DSL the fastest internet I can get in Summit Heights?
The fastest internet for you may vary based on where in Summit Heights you live. In general, fiber competes most often with DSL in the neighborhood.
- Fiber is the fastest internet type for 99.63% of Summit Heights homes.
- Cable is fastest for less than 1% of the neighborhood.
- 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 Summit Heights homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Summit Heights, along with details on where in Summit Heights and at what speeds.
EarthLink DSL in Summit Heights, Fontana, CA
EarthLink DSL coverage
About 16.07%, or 526 people, have EarthLink DSL internet available to them in the neighborhood. The company covers the southwest and east Summit Heights 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 Summit Heights.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Summit Heights. Versus other DSL providers in the area, EarthLink DSL is one of the slowest. There are 2 different maximum speeds throughout Summit Heights. The fastest plan anyone in Summit Heights can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 50 Mbps, and the neighborhood-wide average maximum speed for Summit Heights customers is up to 89 Mbps.
Show all download speeds
- 77.8% up to 100.0 Mbps
- 22.2% up to 50.0 Mbps
EarthLink DSL upload speeds
In Summit Heights 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 Summit Heights DSL providers. EarthLink offers 2 different upload speeds across the neighborhood, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Summit Heights is up to 20 Mbps. Some customers have slower plan choices, which only go up to 10 Mbps. On average, EarthLink customers can get speeds up to 18 Mbps.
Show all upload speeds
- 77.8% up to 20.0 Mbps
- 22.2% up to 10.0 Mbps
AT&T DSL in Summit Heights, Fontana, CA
AT&T DSL coverage
About 16.07%, or 526 people, have AT&T DSL internet available to them in the neighborhood. The company covers the southwest and east Summit Heights 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 Summit Heights.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in Summit Heights. Versus other DSL providers in the area, AT&T DSL is one of the slowest. There are 2 different maximum speeds throughout Summit Heights. The fastest plan anyone in Summit Heights can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 50 Mbps, and the neighborhood-wide average maximum speed for Summit Heights customers is up to 89 Mbps.
Show all download speeds
- 77.8% up to 100.0 Mbps
- 22.2% up to 50.0 Mbps
AT&T DSL upload speeds
In Summit Heights 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 Summit Heights DSL providers. AT&T offers 2 different upload speeds across the neighborhood, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Summit Heights is up to 20 Mbps. Some customers have slower plan choices, which only go up to 10 Mbps. On average, AT&T customers can get speeds up to 18 Mbps.
Show all upload speeds
- 77.8% up to 20.0 Mbps
- 22.2% up to 10.0 Mbps
Frontier Communications DSL in Summit Heights, Fontana, CA
Frontier DSL coverage
About 2.11%, or 69 people, have Frontier DSL internet available to them in the neighborhood. The company covers the north Summit Heights 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 Summit Heights.
Frontier Communications DSL download speeds
Frontier is below average when comparing download speeds to all other internet providers in Summit Heights. Versus other DSL providers in the area, Frontier DSL is the fastest. There are no different maximum speeds throughout Summit Heights. The fastest plan anyone in Summit Heights can order from Frontier goes up to 115 Mbps, and all Summit Heights customers can get this speed.
Show all download speeds
- 100.0% up to 115.0 Mbps
Frontier Communications DSL upload speeds
In Summit Heights download speeds tend to be faster than than upload speeds for Frontier DSL. Compared to other ISPs, Frontier is below average where upload speeds are concerned, and the slowest compared to other Summit Heights DSL providers. Frontier offers no different upload speeds across the neighborhood. The fastest upload speed available to anyone from this ISP in Summit Heights is up to 7.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 7.0 Mbps
Summit Heights DSL by Area
This information is most helpful to those looking for homes or considering moving to Summit Heights or any of the areas nearby.
How does DSL internet in Summit Heights compare to the rest of Fontana?
DSL internet speeds in Summit Heights are much faster versus the average speeds in Fontana: 0.00 Mbps in Fontana versus 92 Mbps in the neighborhood. The city has similar DSL availability compared to the neighborhood. Average DSL coverage in Fontana is 0.00% versus 18.18% in Summit Heights.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Summit Heights are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does DSL internet look like in other neighborhoods?
Below are neighborhoods nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Neighborhoods
- Rancho Fontana, Fontana, CA: more DSL coverage, slower speeds
- West End, Fontana, CA: more DSL coverage, slower speeds
- Downtown Fontana, Fontana, CA: more DSL coverage, slower speeds
- Victoria Gardens, Rancho Cucamonga, CA: less DSL coverage, slower speeds
- Downtown Rialto, Rialto, CA: more DSL coverage, slower speeds
- Southridge Village, Fontana, CA: more DSL coverage, slower speeds
- Terrace, San Bernardino, CA: more DSL coverage, slower speeds
- Yerdemont, San Bernardino, CA: less DSL coverage, slower speeds
- Rancho West, San Bernardino, CA: more DSL coverage, slower speeds
- Sunnyslope, Riverside, CA: more DSL coverage, slower speeds
Neighborhoods with Similar Populations
- Elton Hills, Rochester, MN: more DSL coverage, faster speeds
- Edgewood, Michigan City, IN: more DSL coverage, slower speeds
- Downtown Grand Forks, Grand Forks, ND: more DSL coverage, slower speeds
- Downtown East, Minneapolis, MN: more DSL coverage, slower speeds
- Downtown Conneaut, Conneaut, OH: less DSL coverage, slower speeds
- Darkesville, Inwood, WV: more DSL coverage, slower speeds
- Caprock, Lubbock, TX: more DSL coverage, slower speeds
- Bluemound Heights, Milwaukee, WI: more DSL coverage, slower speeds
- Belmont, Downers Grove, IL: more DSL coverage, slower speeds
- Academy Hills Park, Albuquerque, NM: more DSL coverage, slower speeds