In Sierra County there are 2 residential DSL providers covering 17.46% of the county. 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 Sierra County, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in Sierra County, CA please click below.
Sierra County, CA Availability Maps
DSL Internet Service Providers in Sierra County
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 Sierra County are not shown.
Sierra County 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 Sierra County is DSL internet available?
DSL Internet Availability Key
DSL is available in 17.46% of Sierra County. 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 Sierra County above to see who has service at your home.
How fast is DSL internet in Sierra County?
The map below shows maximum DSL internet speeds by area in Sierra County.
DSL Internet Speed Key
The average Sierra County home can get up to 10 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 10 Mbps, which 17.46% of residents can get.
Is DSL the fastest internet I can get in Sierra County?
The fastest internet for you may vary based on where in Sierra County you live. In general, fiber competes most often with DSL in the county.
- Fiber is the fastest internet type for 37.73% of Sierra County homes.
- Cable is fastest for 1.45% of the county.
- DSL is fastest for 17.46%.
- Fixed wireless is fastest for 30.62%.
- Satellite internet may be the only option for 12.73% of Sierra County homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Sierra County, along with details on where in Sierra County and at what speeds.
AT&T DSL in Sierra County, CA
AT&T DSL coverage
About 17.46%, or 565 people, have AT&T DSL internet available to them in the county. The company covers the central and west Sierra County 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 Sierra County.
AT&T DSL download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Sierra County. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are no different maximum speeds throughout Sierra County. The fastest plan anyone in Sierra County can order from AT&T goes up to 10 Mbps, and all Sierra County customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
AT&T DSL upload speeds
In Sierra County 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 Sierra County DSL providers. AT&T offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Sierra County 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 Sierra County, CA
EarthLink DSL coverage
About 17.46%, or 565 people, have EarthLink DSL internet available to them in the county. The company covers the central and west Sierra County 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 Sierra County.
EarthLink DSL download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Sierra County. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are no different maximum speeds throughout Sierra County. The fastest plan anyone in Sierra County can order from EarthLink goes up to 10 Mbps, and all Sierra County customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
EarthLink DSL upload speeds
In Sierra County 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 Sierra County DSL providers. EarthLink offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Sierra County is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
Sierra County DSL by Area
This information is most helpful to those looking for homes or considering moving to Sierra County or any of the areas nearby.
How does DSL internet in Sierra County compare to the rest of California?
DSL internet speeds in Sierra County are much faster versus the average speeds in California: 0.00 Mbps in California versus 10 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in California is 0.00% versus 17.46% in Sierra County.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Sierra County 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 counties?
Below are counties nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Counties
- Washoe County, NV: more DSL coverage, faster speeds
- Butte County, CA: more DSL coverage, faster speeds
- Glenn County, CA: more DSL coverage, similar speeds
- Juab County, UT: more DSL coverage, faster speeds
- Carbon County, UT: less DSL coverage, faster speeds
- Garfield County, CO: more DSL coverage, faster speeds
- Eagle County, CO: more DSL coverage, faster speeds
- Summit County, CO: more DSL coverage, faster speeds
- Clear Creek County, CO: more DSL coverage, faster speeds
- Jefferson County, CO: more DSL coverage, faster speeds
Counties with Similar Populations
- Essex County, VT: more DSL coverage, faster speeds
- Foard County, TX: less DSL coverage, faster speeds
- Florida Municipio, PR: more DSL coverage, faster speeds
- Florence County, WI: more DSL coverage, faster speeds
- Fisher County, TX: more DSL coverage, similar speeds
- Fillmore County, NE: more DSL coverage, faster speeds
- Ferry County, WA: more DSL coverage, faster speeds
- Fergus County, MT: less DSL coverage, similar speeds
- Faulk County, SD: less DSL coverage, faster speeds
- Fallon County, MT: less DSL coverage, similar speeds