In San Luis Obispo County there are 4 residential Fiber providers covering 41.49% of the county. The average home can get speeds up to 4,980 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 County, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in San Luis Obispo County, CA please click below.
San Luis Obispo County, CA Availability Maps
Fiber Internet Service Providers in San Luis Obispo 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 San Luis Obispo County are not shown.
San Luis Obispo 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 San Luis Obispo County is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 41.49% of San Luis Obispo County. 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 County above to see who has service at your home.
How fast is fiber internet in San Luis Obispo County?
The map below shows maximum fiber internet speeds by area in San Luis Obispo County.
Fiber Internet Speed Key
The average San Luis Obispo County home can get up to 4,980 Mbps on their fiber internet plan. The fastest fiber download speed in the county is 5,000 Mbps, which 41.28% 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 County.
Fiber internet speeds tend to be faster in the southeast parts of San Luis Obispo County, and slower in the north areas of the county.
Is fiber the fastest internet I can get in San Luis Obispo County?
The fastest internet for you may vary based on where in San Luis Obispo County you live. In general, cable competes most often with fiber in the county.
- Fiber is the fastest internet type for 41.49% of San Luis Obispo County homes.
- Cable is fastest for 45.91% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 8.53%.
- Satellite internet may be the only option for 3.94% of San Luis Obispo County homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in San Luis Obispo County, along with details on where in San Luis Obispo County and at what speeds.
Astound Broadband Fiber in San Luis Obispo County, CA
Astound Broadband fiber coverage
About 38.57%, or 108,940 people, have Astound Broadband fiber internet available to them in the county. The company covers the entire San Luis Obispo County 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 County.
Astound Broadband fiber download speeds
Astound Broadband is one of the fastest when comparing download speeds to all other internet providers in San Luis Obispo County. Versus other fiber providers in the area, Astound Broadband fiber is one of the fastest. There are no different maximum speeds throughout San Luis Obispo County. The fastest plan anyone in San Luis Obispo County can order from Astound Broadband goes up to 5,000 Mbps, and all San Luis Obispo County 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 County download speeds tend to be equal to than upload speeds for Astound Broadband fiber. Compared to other ISPs, Astound Broadband is one of the fastest where upload speeds are concerned, and one of the fastest compared to other San Luis Obispo County fiber providers. Astound Broadband offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in San Luis Obispo County 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 County, CA
EarthLink fiber coverage
About 6.51%, or 18,399 people, have EarthLink fiber internet available to them in the county. The company covers the central, south, north, west, and southeast San Luis Obispo County area. EarthLink 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 County.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in San Luis Obispo County. Versus other fiber providers in the area, EarthLink fiber is above average. There are 2 different maximum speeds throughout San Luis Obispo County. The fastest plan anyone in San Luis Obispo County can order from EarthLink goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the county-wide average maximum speed for San Luis Obispo County customers is up to 4,594 Mbps.
Show all download speeds
- 89.8% up to 5,000.0 Mbps
- 10.2% up to 1,000.0 Mbps
EarthLink fiber upload speeds
In San Luis Obispo County 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 County fiber providers. EarthLink offers 2 different upload speeds across the county, 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 County 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 4,594 Mbps.
Show all upload speeds
- 89.8% up to 5,000.0 Mbps
- 10.2% up to 1,000.0 Mbps
AT&T Fiber in San Luis Obispo County, CA
AT&T fiber coverage
About 6.51%, or 18,399 people, have AT&T fiber internet available to them in the county. The company covers the central, south, north, west, and southeast San Luis Obispo County area. AT&T 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 County.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in San Luis Obispo County. Versus other fiber providers in the area, AT&T fiber is above average. There are 2 different maximum speeds throughout San Luis Obispo County. The fastest plan anyone in San Luis Obispo County can order from AT&T goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the county-wide average maximum speed for San Luis Obispo County customers is up to 4,594 Mbps.
Show all download speeds
- 89.8% up to 5,000.0 Mbps
- 10.2% up to 1,000.0 Mbps
AT&T fiber upload speeds
In San Luis Obispo County 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 County fiber providers. AT&T offers 2 different upload speeds across the county, 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 County 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 4,594 Mbps.
Show all upload speeds
- 89.8% up to 5,000.0 Mbps
- 10.2% up to 1,000.0 Mbps
Frontier Communications Fiber in San Luis Obispo County, CA
Frontier fiber coverage
About 1.23%, or 3,462 people, have Frontier fiber internet available to them in the county. The company covers the southeast San Luis Obispo County area. Frontier 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 County.
Frontier Communications fiber download speeds
Frontier is one of the fastest when comparing download speeds to all other internet providers in San Luis Obispo County. Versus other fiber providers in the area, Frontier fiber is one of the fastest. There are no different maximum speeds throughout San Luis Obispo County. The fastest plan anyone in San Luis Obispo County can order from Frontier goes up to 5,000 Mbps, and all San Luis Obispo County customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
Frontier Communications fiber upload speeds
In San Luis Obispo County download speeds tend to be equal to than upload speeds for Frontier fiber. Compared to other ISPs, Frontier is one of the fastest where upload speeds are concerned, and one of the fastest compared to other San Luis Obispo County fiber providers. Frontier offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in San Luis Obispo County is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
San Luis Obispo County Fiber by Area
This information is most helpful to those looking for homes or considering moving to San Luis Obispo County or any of the areas nearby.
How does fiber internet in San Luis Obispo County compare to the rest of California?
Fiber internet speeds in San Luis Obispo County are much faster versus the average speeds in California: 0.00 Mbps in California versus 4,980 Mbps in the county. The state has similar fiber availability compared to the county. Average fiber coverage in California is 0.00% versus 41.49% in San Luis Obispo County.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around San Luis Obispo County 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 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
- Kern County, CA: less fiber coverage, slower speeds
- Coconino County, AZ: less fiber coverage, slower speeds
- Sandoval County, NM: more fiber coverage, slower speeds
- Oldham County, TX: more fiber coverage, slower speeds
- Potter County, TX: more fiber coverage, slower speeds
- Carson County, TX: more fiber coverage, slower speeds
- Beckham County, OK: more fiber coverage, faster speeds
- Washita County, OK: more fiber coverage, faster speeds
- Canadian County, OK: more fiber coverage, slower speeds
- Cleveland County, OK: more fiber coverage, slower speeds
Counties with Similar Populations
- Sangamon County, IL: more fiber coverage, slower speeds
- Calcasieu Parish, LA: more fiber coverage, slower speeds
- Canyon County, ID: more fiber coverage, faster speeds
- Champaign County, IL: more fiber coverage, slower speeds
- Chatham County, GA: more fiber coverage, faster speeds
- Cherokee County, GA: more fiber coverage, slower speeds
- Clay County, FL: more fiber coverage, slower speeds
- Clermont County, OH: more fiber coverage, slower speeds
- Elkhart County, IN: more fiber coverage, slower speeds
- Hall County, GA: more fiber coverage, slower speeds