In San Luis Obispo there are 2 residential DSL providers covering 44.68% 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 San Luis Obispo, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in San Luis Obispo, CA please click below.
San Luis Obispo, CA Availability Maps
DSL Internet Service Providers in San Luis Obispo
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 San Luis Obispo are not shown.
San Luis Obispo 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 San Luis Obispo is DSL internet available?
DSL Internet Availability Key
DSL is available in 44.68% of San Luis Obispo. 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 San Luis Obispo above to see who has service at your home.
How fast is DSL internet in San Luis Obispo?
The map below shows maximum DSL internet speeds by area in San Luis Obispo.
DSL Internet Speed Key
The average San Luis Obispo home can get up to 10 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 10 Mbps, which 44.68% of residents can get.
Is DSL the fastest internet I can get in San Luis Obispo?
The fastest internet for you may vary based on where in San Luis Obispo you live. In general, fiber competes most often with DSL in the city.
- Fiber is the fastest internet type for 53.57% of San Luis Obispo homes.
- Cable is fastest for 25.09% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 7.81%.
- Satellite internet may be the only option for 13.52% of San Luis Obispo homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in San Luis Obispo, along with details on where in San Luis Obispo and at what speeds.
EarthLink DSL in San Luis Obispo, CA
EarthLink DSL coverage
About 44.68%, or 29,116 people, have EarthLink DSL internet available to them in the city. The company covers the entire San Luis Obispo area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in some of San Luis Obispo.
EarthLink DSL download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in San Luis Obispo. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are no different maximum speeds throughout San Luis Obispo. The fastest plan anyone in San Luis Obispo can order from EarthLink goes up to 10 Mbps, and all San Luis Obispo customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
EarthLink DSL upload speeds
In San Luis Obispo 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 San Luis Obispo DSL providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in San Luis Obispo is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
AT&T DSL in San Luis Obispo, CA
AT&T DSL coverage
About 44.68%, or 29,116 people, have AT&T DSL internet available to them in the city. The company covers the entire San Luis Obispo area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in some of San Luis Obispo.
AT&T DSL download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in San Luis Obispo. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are no different maximum speeds throughout San Luis Obispo. The fastest plan anyone in San Luis Obispo can order from AT&T goes up to 10 Mbps, and all San Luis Obispo customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
AT&T DSL upload speeds
In San Luis Obispo 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 San Luis Obispo DSL providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in San Luis Obispo is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
San Luis Obispo DSL by Area
This information is most helpful to those looking for homes or considering moving to San Luis Obispo or any of the areas nearby.
How does DSL internet in San Luis Obispo compare to the rest of California?
DSL internet speeds in San Luis Obispo 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 44.68% in San Luis Obispo.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around San Luis Obispo 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
- Avila Beach, CA: more DSL coverage, similar speeds
- Pismo Beach, CA: more DSL coverage, similar speeds
- Los Osos, CA: more DSL coverage, similar speeds
- Grover Beach, CA: more DSL coverage, similar speeds
- Arroyo Grande, CA: more DSL coverage, similar speeds
- Morro Bay, CA: more DSL coverage, similar speeds
- Oceano, CA: more DSL coverage, similar speeds
- Mc Kittrick, CA: more DSL coverage, faster speeds
- Fellows, CA: more DSL coverage, faster speeds
- Ford City, CA: more DSL coverage, faster speeds
Cities with Similar Populations
- Blaine, MN: more DSL coverage, faster speeds
- Brentwood, CA: more DSL coverage, faster speeds
- Casa Grande, AZ: more DSL coverage, faster speeds
- Gilroy, CA: less DSL coverage, faster speeds
- Hickory, NC: more DSL coverage, faster speeds
- North Little Rock, AR: more DSL coverage, faster speeds
- Wyoming, MI: more DSL coverage, faster speeds
- North Miami, FL: more DSL coverage, faster speeds
- North Richland Hills, TX: more DSL coverage, faster speeds
- Northglenn, CO: more DSL coverage, faster speeds