In Clearlake there are 2 residential DSL providers covering 97.88% of the city. The average home can get speeds up to 10 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 Clearlake, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in Clearlake, CA please click below.
Clearlake, CA Availability Maps
DSL Internet Service Providers in Clearlake
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 Clearlake are not shown.
Clearlake 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 Clearlake is DSL internet available?
DSL Internet Availability Key
DSL is available in 97.88% of Clearlake. 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 Clearlake above to see who has service at your home.
How fast is DSL internet in Clearlake?
The map below shows maximum DSL internet speeds by area in Clearlake.
DSL Internet Speed Key
The average Clearlake home can get up to 10 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 10 Mbps, which 97.88% of residents can get.
Is DSL the fastest internet I can get in Clearlake?
The fastest internet for you may vary based on where in Clearlake you live. In general, cable competes most often with DSL in the city.
- Fiber is the fastest internet type for less than 1% of Clearlake homes.
- Cable is fastest for 99.60% 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 Clearlake homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Clearlake, along with details on where in Clearlake and at what speeds.
AT&T DSL in Clearlake, CA
AT&T DSL coverage
About 97.88%, or 16,492 people, have AT&T DSL internet available to them in the city. The company covers the entire Clearlake area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of Clearlake.
AT&T DSL download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Clearlake. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are no different maximum speeds throughout Clearlake. The fastest plan anyone in Clearlake can order from AT&T goes up to 10 Mbps, and all Clearlake customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
AT&T DSL upload speeds
In Clearlake download speeds tend to be faster than than upload speeds for AT&T DSL. Compared to other ISPs, AT&T is one of the slowest where upload speeds are concerned, and one of the fastest compared to other Clearlake DSL providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Clearlake is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
EarthLink DSL in Clearlake, CA
EarthLink DSL coverage
About 97.88%, or 16,492 people, have EarthLink DSL internet available to them in the city. The company covers the entire Clearlake area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Clearlake.
EarthLink DSL download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Clearlake. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are no different maximum speeds throughout Clearlake. The fastest plan anyone in Clearlake can order from EarthLink goes up to 10 Mbps, and all Clearlake customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
EarthLink DSL upload speeds
In Clearlake download speeds tend to be faster than than upload speeds for EarthLink DSL. Compared to other ISPs, EarthLink is one of the slowest where upload speeds are concerned, and one of the fastest compared to other Clearlake DSL providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Clearlake is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
Clearlake DSL by Area
This information is most helpful to those looking for homes or considering moving to Clearlake or any of the areas nearby.
How does DSL internet in Clearlake compare to the rest of California?
DSL internet speeds in Clearlake are much faster versus the average speeds in California: 0.00 Mbps in California versus 10 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in California is 0.00% versus 97.88% in Clearlake.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Clearlake 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
- Clearlake Park, CA: less DSL coverage, similar speeds
- Lower Lake, CA: less DSL coverage, similar speeds
- Clearlake Oaks, CA: less DSL coverage, similar speeds
- Seigler Springs, CA: less DSL coverage, similar speeds
- Glenhaven, CA: less DSL coverage, similar speeds
- Kelseyville, CA: less DSL coverage, similar speeds
- Soda Bay, CA: less DSL coverage, similar speeds
- Cobb, CA: less DSL coverage, similar speeds
- Loch Lomond, CA: less DSL coverage, similar speeds
- Hidden Valley Lake, CA: less DSL coverage, similar speeds
Cities with Similar Populations
- Brookshire, TX: less DSL coverage, faster speeds
- Beech Grove, IN: less DSL coverage, faster speeds
- Bellevue, WI: less DSL coverage, faster speeds
- Berea, SC: less DSL coverage, faster speeds
- Washington, IN: less DSL coverage, faster speeds
- Blytheville, AR: less DSL coverage, similar speeds
- Bogalusa, LA: less DSL coverage, faster speeds
- Brevard, NC: less DSL coverage, similar speeds
- Brockport, NY: less DSL coverage, faster speeds
- Vandalia, OH: more DSL coverage, faster speeds