In Highland there are 2 residential DSL providers covering 83.18% of the city. The average home can get speeds up to 76 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 Highland, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in Highland, CA please click below.
Highland, CA Availability Maps
DSL Internet Service Providers in Highland
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 Highland are not shown.
Highland 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 Highland is DSL internet available?
DSL Internet Availability Key
DSL is available in 83.18% of Highland. 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 Highland above to see who has service at your home.
How fast is DSL internet in Highland?
The map below shows maximum DSL internet speeds by area in Highland.
DSL Internet Speed Key
The average Highland home can get up to 76 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 100 Mbps, which 45.05% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 4.13% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Highland.
DSL internet speeds tend to be faster in the central parts of Highland, and slower in the southwest areas of the city.
Is DSL the fastest internet I can get in Highland?
The fastest internet for you may vary based on where in Highland you live. In general, cable competes most often with DSL in the city.
- Fiber is the fastest internet type for 26.21% of Highland homes.
- Cable is fastest for 73.45% 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 Highland homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Highland, along with details on where in Highland and at what speeds.
EarthLink DSL in Highland, CA
EarthLink DSL coverage
About 83.18%, or 61,470 people, have EarthLink DSL internet available to them in the city. The company covers the entire Highland area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Highland.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Highland. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are 5 different maximum speeds throughout Highland. The fastest plan anyone in Highland can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Highland customers is up to 76 Mbps.
Show all download speeds
- 54.2% up to 100.0 Mbps
- 11.7% up to 75.0 Mbps
- 20.3% up to 50.0 Mbps
- 8.8% up to 25.0 Mbps
- 5.0% up to 10.0 Mbps
EarthLink DSL upload speeds
In Highland 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 Highland DSL providers. EarthLink 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 Highland is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, EarthLink customers can get speeds up to 16 Mbps.
Show all upload speeds
- 65.9% up to 20.0 Mbps
- 20.3% up to 10.0 Mbps
- 8.8% up to 5.0 Mbps
- 5.0% up to 1.0 Mbps
AT&T DSL in Highland, CA
AT&T DSL coverage
About 83.18%, or 61,470 people, have AT&T DSL internet available to them in the city. The company covers the entire Highland area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of Highland.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in Highland. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are 5 different maximum speeds throughout Highland. The fastest plan anyone in Highland can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Highland customers is up to 76 Mbps.
Show all download speeds
- 54.2% up to 100.0 Mbps
- 11.7% up to 75.0 Mbps
- 20.3% up to 50.0 Mbps
- 8.8% up to 25.0 Mbps
- 5.0% up to 10.0 Mbps
AT&T DSL upload speeds
In Highland 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 Highland DSL providers. AT&T 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 Highland is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, AT&T customers can get speeds up to 16 Mbps.
Show all upload speeds
- 65.9% up to 20.0 Mbps
- 20.3% up to 10.0 Mbps
- 8.8% up to 5.0 Mbps
- 5.0% up to 1.0 Mbps
Highland DSL by Area
This information is most helpful to those looking for homes or considering moving to Highland or any of the areas nearby.
How does DSL internet in Highland compare to the rest of California?
DSL internet speeds in Highland are much faster versus the average speeds in California: 0.00 Mbps in California versus 76 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in California is 0.00% versus 83.18% in Highland.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Highland 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
- Redlands, CA: less DSL coverage, slower speeds
- Loma Linda, CA: less DSL coverage, slower speeds
- San Bernardino, CA: less DSL coverage, slower speeds
- Mentone, CA: less DSL coverage, slower speeds
- Colton, CA: more DSL coverage, slower speeds
- Twin Peaks, CA: less DSL coverage, faster speeds
- Grand Terrace, CA: more DSL coverage, faster speeds
- Crestline, CA: less DSL coverage, slower speeds
- Lake Arrowhead, CA: less DSL coverage, slower speeds
- Rialto, CA: more DSL coverage, faster speeds
Cities with Similar Populations
- Bethlehem, PA: less DSL coverage, slower speeds
- Bloomington, IN: less DSL coverage, slower speeds
- Bloomington, IL: more DSL coverage, slower speeds
- Bossier City, LA: less DSL coverage, slower speeds
- Bloomington, MN: more DSL coverage, faster speeds
- Brooklyn, NY: less DSL coverage, slower speeds
- Brownsville, TX: less DSL coverage, slower speeds
- Buena Park, CA: more DSL coverage, faster speeds
- Brandon, MS: more DSL coverage, slower speeds
- Broken Arrow, OK: more DSL coverage, faster speeds