In San Luis Obispo there are 4 residential Fiber providers covering 53.57% of the city. The average home can get speeds up to 4,994 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 Fiber 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
Fiber 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 fiber internet available?
Fiber Internet Availability Key
Fiber is available in 53.57% of San Luis Obispo. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Astound Broadband. Call one of the companies with service in San Luis Obispo above to see who has service at your home.
How fast is fiber internet in San Luis Obispo?
The map below shows maximum fiber internet speeds by area in San Luis Obispo.
Fiber Internet Speed Key
The average San Luis Obispo home can get up to 4,994 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 5,000 Mbps, which 53.50% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, less than 1% of homes can only purchase plans up to 1,000 Mbps. See the internet provider details below for info about their speed and coverage in San Luis Obispo.
Fiber internet speeds tend to be faster in the central parts of San Luis Obispo, and slower in the southwest areas of the city.
Is fiber 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, cable competes most often with fiber 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.
Fiber 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.
Astound Broadband Fiber in San Luis Obispo, CA
Astound Broadband fiber coverage
About 47.06%, or 30,672 people, have Astound Broadband fiber internet available to them in the city. The company covers the entire San Luis Obispo area. Astound Broadband is one of the largest internet service providers internet service providers in the US, with internet service available in some of San Luis Obispo.
Astound Broadband fiber download speeds
Astound Broadband is the fastest when comparing download speeds to all other internet providers in San Luis Obispo. Versus other fiber providers in the area, Astound Broadband fiber is the fastest. There are no different maximum speeds throughout San Luis Obispo. The fastest plan anyone in San Luis Obispo can order from Astound Broadband goes up to 5,000 Mbps, and all San Luis Obispo customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
Astound Broadband fiber upload speeds
In San Luis Obispo download speeds tend to be equal to than upload speeds for Astound Broadband fiber. Compared to other ISPs, Astound Broadband is the fastest where upload speeds are concerned, and the fastest compared to other San Luis Obispo fiber providers. Astound Broadband 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 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
EarthLink Fiber in San Luis Obispo, CA
EarthLink fiber coverage
About 25.54%, or 16,644 people, have EarthLink fiber 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 a small portion of San Luis Obispo.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in San Luis Obispo. Versus other fiber providers in the area, EarthLink fiber is above average. There are 2 different maximum speeds throughout San Luis Obispo. The fastest plan anyone in San Luis Obispo can order from EarthLink goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the city-wide average maximum speed for San Luis Obispo customers is up to 4,620 Mbps.
Show all download speeds
- 90.5% up to 5,000.0 Mbps
- 9.5% up to 1,000.0 Mbps
EarthLink fiber upload speeds
In San Luis Obispo download speeds tend to be equal to than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is above average where upload speeds are concerned, and above average compared to other San Luis Obispo fiber providers. EarthLink 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 San Luis Obispo is up to 5,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, EarthLink customers can get speeds up to 4,620 Mbps.
Show all upload speeds
- 90.5% up to 5,000.0 Mbps
- 9.5% up to 1,000.0 Mbps
AT&T Fiber in San Luis Obispo, CA
AT&T fiber coverage
About 25.54%, or 16,644 people, have AT&T fiber 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 a small portion of San Luis Obispo.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in San Luis Obispo. Versus other fiber providers in the area, AT&T fiber is above average. There are 2 different maximum speeds throughout San Luis Obispo. The fastest plan anyone in San Luis Obispo can order from AT&T goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the city-wide average maximum speed for San Luis Obispo customers is up to 4,620 Mbps.
Show all download speeds
- 90.5% up to 5,000.0 Mbps
- 9.5% up to 1,000.0 Mbps
AT&T fiber upload speeds
In San Luis Obispo download speeds tend to be equal to than upload speeds for AT&T fiber. Compared to other ISPs, AT&T is above average where upload speeds are concerned, and above average compared to other San Luis Obispo fiber providers. AT&T 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 San Luis Obispo is up to 5,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, AT&T customers can get speeds up to 4,620 Mbps.
Show all upload speeds
- 90.5% up to 5,000.0 Mbps
- 9.5% up to 1,000.0 Mbps
Spectrum Fiber in San Luis Obispo, CA
Spectrum fiber coverage
About 2.01%, or 1,309 people, have Spectrum fiber internet available to them in the city. The company covers the southeast, central, southwest, south, and east San Luis Obispo area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of San Luis Obispo.
Spectrum fiber download speeds
Spectrum is below average when comparing download speeds to all other internet providers in San Luis Obispo. Versus other fiber providers in the area, Spectrum fiber is the slowest. There are no different maximum speeds throughout San Luis Obispo. The fastest plan anyone in San Luis Obispo can order from Spectrum goes up to 1,000 Mbps, and all San Luis Obispo customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum fiber upload speeds
In San Luis Obispo download speeds tend to be faster than than upload speeds for Spectrum fiber. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and the slowest compared to other San Luis Obispo fiber providers. Spectrum 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 San Luis Obispo is up to 500 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, Spectrum customers can get speeds up to 130 Mbps.
Show all upload speeds
- 20.4% up to 500.0 Mbps
- 79.6% up to 35.0 Mbps
San Luis Obispo Fiber 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 fiber internet in San Luis Obispo compare to the rest of California?
Fiber internet speeds in San Luis Obispo are much faster versus the average speeds in California: 0.00 Mbps in California versus 4,994 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in California is 0.00% versus 53.57% in San Luis Obispo.
What zip codes have fiber internet?
Fiber 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 fiber 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 fiber coverage, faster speeds
- Shell Beach, CA: less fiber coverage, faster speeds
- Pismo Beach, CA: less fiber coverage, faster speeds
- Los Osos, CA: less fiber coverage, faster speeds
- Grover Beach, CA: more fiber coverage, faster speeds
- Halcyon, CA: more fiber coverage, faster speeds
- Santa Margarita, CA: less fiber coverage, faster speeds
- Arroyo Grande, CA: less fiber coverage, faster speeds
- Morro Bay, CA: more fiber coverage, faster speeds
- Oceano, CA: less fiber coverage, faster speeds
Cities with Similar Populations
- Blaine, MN: less fiber coverage, slower speeds
- Brentwood, CA: more fiber coverage, slower speeds
- Casa Grande, AZ: less fiber coverage, slower speeds
- Gilroy, CA: less fiber coverage, faster speeds
- Hickory, NC: less fiber coverage, slower speeds
- North Little Rock, AR: more fiber coverage, slower speeds
- Wyoming, MI: more fiber coverage, slower speeds
- North Miami, FL: more fiber coverage, slower speeds
- North Richland Hills, TX: more fiber coverage, slower speeds
- Northglenn, CO: more fiber coverage, slower speeds