In Alta Loma there is 1 residential DSL provider covering 22.07% of the city. The average home can get speeds up to 11 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 Alta Loma, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in Alta Loma, CA please click below.
Alta Loma, CA Availability Maps
DSL Internet Service Provider in Alta Loma
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 Loma are not shown.
Alta Loma 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 Alta Loma is DSL internet available?

DSL Internet Availability Key
DSL is available in 22.07% of Alta Loma. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Frontier. Call one of the companies with service in Alta Loma above to see who has service at your home.
How fast is DSL internet in Alta Loma?
The map below shows maximum DSL internet speeds by area in Alta Loma.

DSL Internet Speed Key
The average Alta Loma home can get up to 11 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 70 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, 21.56% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Alta Loma.
DSL internet speeds tend to be faster in the west parts of Alta Loma, and slower in the southeast areas of the city.
Is DSL the fastest internet I can get in Alta Loma?
The fastest internet for you may vary based on where in Alta Loma you live. In general, cable competes most often with DSL in the city.
- Fiber is the fastest internet type for 1.30% of Alta Loma homes.
- Cable is fastest for 98.55% 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 Alta Loma homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Alta Loma, along with details on where in Alta Loma and at what speeds.
Frontier Communications DSL in Alta Loma, CA

Frontier DSL coverage
About 22.07%, or 5,007 people, have Frontier DSL internet available to them in the city. The company covers the southeast, southwest, east, west, northwest, and south Alta Loma area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Alta Loma.
Frontier Communications DSL download speeds
Frontier is the slowest when comparing download speeds to all other internet providers in Alta Loma. Versus other DSL providers in the area, Frontier DSL is the fastest. There are 2 different maximum speeds throughout Alta Loma. The fastest plan anyone in Alta Loma can order from Frontier goes up to 70 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Alta Loma customers is up to 11 Mbps.
Show all download speeds
- 2.3% up to 70.0 Mbps
- 97.7% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In Alta Loma 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 Alta Loma DSL 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 Alta Loma is up to 3.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Frontier customers can get speeds up to 1.0 Mbps.
Show all upload speeds
- 2.3% up to 3.0 Mbps
- 97.7% up to 1.0 Mbps
Alta Loma DSL by Area
This information is most helpful to those looking for homes or considering moving to Alta Loma or any of the areas nearby.
How does DSL internet in Alta Loma compare to the rest of California?
DSL internet speeds in Alta Loma are much faster versus the average speeds in California: 0.00 Mbps in California versus 11 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in California is 0.00% versus 22.07% in Alta Loma.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Alta Loma 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 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
- Rancho Cucamonga, CA: more DSL coverage, faster speeds
- Upland, CA: less DSL coverage, slower speeds
- Ontario, CA: less DSL coverage, faster speeds
- Mount Baldy, CA: more DSL coverage, faster speeds
- Fontana, CA: more DSL coverage, faster speeds
- Claremont, CA: less DSL coverage, faster speeds
- Montclair, CA: less DSL coverage, faster speeds
- Lytle Creek, CA: less DSL coverage, faster speeds
- Glen Avon, CA: more DSL coverage, faster speeds
- La Verne, CA: less DSL coverage, slower speeds
Cities with Similar Populations
- Wendell, NC: more DSL coverage, faster speeds
- South Burlington, VT: more DSL coverage, faster speeds
- Ellijay, GA: more DSL coverage, faster speeds
- North Salt Lake, UT: more DSL coverage, faster speeds
- Nogales, AZ: more DSL coverage, faster speeds
- Carthage, MO: more DSL coverage, slower speeds
- Carrboro, NC: more DSL coverage, faster speeds
- Socastee, SC: more DSL coverage, faster speeds
- Eden, NC: more DSL coverage, faster speeds
- Henderson, TX: less DSL coverage, faster speeds


