11 Best Internet Providers in San Luis Obispo County, CA
Find internet availability by address in San Luis Obispo County, CA
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| San Luis Obispo County ISP Report Card | B- | |
| Download Speed for Most Households | 2,650 Mbps | |
| Number of Internet Service Providers | 11 | |
| Real San Luis Obispo County Customer Ratings | 3 |
This page reflects the most recent FCC update from January 06, 2026, based on the Broadband Data Collection as of June 30, 2025.
This page reflects the most recent FCC update from January 06, 2026, based on the Broadband Data Collection as of June 30, 2025.
San Luis Obispo County has 11 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Fiber, Cable, Fixed Wireless, and DSL internet are available in the county. Reviews are grouped by provider and the type of service they offer, covering all 4 available internet technologies in San Luis Obispo County.
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San Luis Obispo County has 11 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Fiber, Cable, Fixed Wireless, and DSL internet are available in the county. Reviews are grouped by provider and the type of service they offer, covering all 4 available internet technologies in San Luis Obispo County.
Compare Providers Ranked by Coverage, Speed, and Customer Ratings
Spectrum
Connection
Customer Rating
Cable
EarthLink
Connection
Customer Rating
Fiber
DSL
Fixed Wireless
AT&T
Connection
Customer Rating
Fiber
DSL
Fixed Wireless
Astound Broadband
Connection
Customer Rating
Fiber
Above are the top 4 providers in San Luis Obispo County, CA for most people based on high speed internet coverage, speeds, and customer reviews. Click below to see all providers in your county.
Speed and technology may vary by address for all providers. Please note we may have a financial relationship with some of the providers above, which does not impact the customer ratings displayed. Customer ratings listed above are national ratings, local San Luis Obispo County ratings may vary and are shown below.
Who is the Best Internet Provider in San Luis Obispo County, CA?
Ranch Wifi is the highest-rated internet provider in San Luis Obispo County based on 420 California customer reviews, and Ranch Wifi has the highest rating nationwide. The provider information above and the information immediately below can help you decide. Compare provider ratings and review counts above. The chart and table below show average customer ratings from customers in San Luis Obispo County, California, and customers throughout the country.
Top Rated Internet Providers in San Luis Obispo County
Local, State, and National Ratings for all San Luis Obispo County Internet Providers
| ISP / Tech Type | San Luis Obispo County Overall | California Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| Ranch Wifi | (1) | (1) | (1) | View Plans | ||
| Spectrum | (2) | (203) | (1738) | View Plans | ||
| T-Mobile Home Internet | (0) | (22) | (284) | View Plans | ||
| Frontier | (0) | (42) | (143) | View Plans | ||
| Verizon | (0) | (24) | (723) | View Plans | ||
| AT&T | (0) | (107) | (924) | View Plans | ||
| Astound Broadband | (0) | (17) | (109) | View Plans | ||
| HughesNet | (0) | (1) | (18) | View Plans | ||
| Viasat | (0) | (1) | (11) | View Plans | ||
| EarthLink | (0) | (2) | (12) | View Plans | ||
| Peak Wifi | (0) | (0) | (0) | View Plans | ||
| surfnet communications | (0) | (0) | (0) | View Plans | ||
| Advanced Wireless | (0) | (0) | (0) | View Plans |
Based on 420 reviews from California internet customers, Ranch Wifi is the best internet service provider for San Luis Obispo County residents. Ranch Wifi was rated at an average of 4.00 out of 5 in our report for overall customer satisfaction. Spectrum wins for second-place in California, with 2.00 out of 5 stars and 84.8% coverage in San Luis Obispo County.
At a national level, based on 3963 national reviews for any of the providers listed above, Ranch Wifi is rated higher than any other provider, with a rating of 4.00 out of 5.
Which Providers are Available at my Home in San Luis Obispo County?
a different provider.

Internet Availability Key
Speeds and coverage vary within the county, and sometimes even from block to block. The map shows speeds per provider and where each provider is available.
Who is the Fastest Internet Provider in San Luis Obispo County?
According to unbiased feedback from real internet customers in the county, they reported being happiest with speeds provided by Ranch Wifi. On the other hand, based on data provided by the internet providers to the FCC, Astound Broadband should have faster speeds at a local level. While we typically put more weight on real-world customer ratings, we display both satisfaction and technical maximum information for customers to decide for themselves.
Data Reported to FCC by ISPs: Average Maximum Available in San Luis Obispo County
| ISP / Tech Type | Max Advertised Speed | ||
|---|---|---|---|
| Frontier Communications | 5,000 Mbps | ||
| Astound Broadband | 5,000 Mbps | ||
| AT&T | 5,000 Mbps | ||
| EarthLink | 5,000 Mbps | ||
| Ranch Wifi | 2,000 Mbps | ||
| Spectrum | 1,000 Mbps | ||
| Verizon | 300 Mbps | ||
| Advanced Wireless | 110 Mbps | ||
| Peak Wifi | 100 Mbps | ||
| surfnet communications | 100 Mbps | ||
| T-Mobile Home Internet | 100 Mbps | ||
| Viasat | 100 Mbps | ||
| HughesNet | 25 Mbps |
Customer Ratings for Internet Provider Speeds in San Luis Obispo County
| ISP / Tech Type | San Luis Obispo County Speed | California Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| Ranch Wifi | (1) | (1) | (1) | View Plans | ||
| Spectrum | (2) | (203) | (1738) | View Plans | ||
| Frontier | (0) | (42) | (143) | View Plans | ||
| Verizon | (0) | (24) | (723) | View Plans | ||
| T-Mobile Home Internet | (0) | (22) | (284) | View Plans | ||
| Astound Broadband | (0) | (17) | (109) | View Plans | ||
| AT&T | (0) | (107) | (924) | View Plans | ||
| HughesNet | (0) | (1) | (18) | View Plans | ||
| Viasat | (0) | (1) | (11) | View Plans | ||
| EarthLink | (0) | (2) | (12) | View Plans | ||
| Peak Wifi | (0) | (0) | (0) | View Plans | ||
| surfnet communications | (0) | (0) | (0) | View Plans | ||
| Advanced Wireless | (0) | (0) | (0) | View Plans |
Based on data reported by San Luis Obispo County ISPs to the FCC, the fastest speeds in the county are available through Astound Broadband. The company offers speeds up to 5,000 Mbps in San Luis Obispo County. Therefore, the average customer can get up to 5,000 Mbps if they're willing to purchase the fastest subscription tier available at their homes.
Additionally, actual customers in the county rated their satisfaction with internet speed highest with Ranch Wifi. This indicates Ranch Wifi reliably delivers speeds expected by the customer based on the plan they are paying for.
Who is the Cheapest Internet Provider in San Luis Obispo County?
California customers rate Ranch Wifi as the cheapest internet service provider in state. Data comes from customers in the state rating their satisfaction with pricing. This feedback is valuable because it considers price changes and whether the speeds paid for are worth it.
Ranch Wifi received a local rating of 3.00 out of 5, which is much lower than the average across all internet providers in the country. Spectrum is rated in second place for affordability by the company’s San Luis Obispo County customers with an average price rating of 1.00 out of 5.
The chart and graph below show how customers in San Luis Obispo County, California, and the United States rated the affordability of their internet service.
Rated Affordability in San Luis Obispo County
| ISP / Tech Type | San Luis Obispo County Affordability | California Affordability | National Affordability | For Service | ||
|---|---|---|---|---|---|---|
| Ranch Wifi | (1) | (1) | (1) | View Plans | ||
| Spectrum | (2) | (203) | (1738) | View Plans | ||
| T-Mobile Home Internet | (0) | (22) | (284) | View Plans | ||
| Verizon | (0) | (24) | (723) | View Plans | ||
| Frontier | (0) | (42) | (143) | View Plans | ||
| AT&T | (0) | (107) | (924) | View Plans | ||
| HughesNet | (0) | (1) | (18) | View Plans | ||
| Viasat | (0) | (1) | (11) | View Plans | ||
| Astound Broadband | (0) | (17) | (109) | View Plans | ||
| EarthLink | (0) | (2) | (12) | View Plans | ||
| Peak Wifi | (0) | (0) | (0) | View Plans | ||
| surfnet communications | (0) | (0) | (0) | View Plans | ||
| Advanced Wireless | (0) | (0) | (0) | View Plans |
San Luis Obispo County Internet Health Assessment
ISP Reports evaluates the technological infrastructure across the United States. This includes assessing a grade for ISP providers and infrastructure in the county and setting an index number for the digital connectivity of its residents. You can view the ISP Report Card and the Digital Connectivity Index for San Luis Obispo County below, including the metrics used and how San Luis Obispo County compares to the rest of California and nation.
| Metric
(hover for details)
|
San Luis Obispo County | California | USA | ||
|---|---|---|---|---|---|
| Fiber Availability Percent The percentage of households in San Luis Obispo County that have a Fiber internet connection available to their home. | 41.49% | 56.12% | 67.25% | ||
| Average Download SpeedThe maximum download speed most households can get on average. This is measured by availability in a block group and weighted by the population in that area. | 2,650 Mbps | 3,631 Mbps | 3,293 Mbps | ||
| Provider CountThe number of providers available for most people. This is a weighted average by block rather than a total for San Luis Obispo County. | 6.3 | 7.4 | 6.8 |
| Average Household SizeA larger household size in a county indicates that there will be a greater need for bandwidth due to simultaneous usage, multiple devices, and network congestion. | 2.5 | 3.0 | 2.7 | ||
| Work From Home PercentA higher percent of the population working from home indicates bandwidth requirements being more widely needed rather than consolidated to commercial portions of the city. | 15% | 15% | 14% | ||
| Households with DevicesA higher percentage of households with computing devices in the home indicates a higher level of infrastructure needed to support those households. | 97% | 96% | 95% | ||
| Households with InternetA higher percentage of households with internet indicates a higher need for usage and connectivity in people’s daily lives. | 93% | 93% | 90% | ||
| Households with BroadbandA higher percentage of households with a broadband connection (defined as speeds above 25 Mbps) indicates heavier usage needs within these households. | 76% | 78% | 75% | ||
| Broadband Usage vs. AvailabilityThis measures what percentage of households who have a broadband connection to their home actually have an active subscription to that service. | 79% | 79% | 76% |
Our demographic data is sourced from the latest 5-year release of the American Community Survey by the US Census Bureau.
San Luis Obispo County ISP Report Card & Digital Connectivity Index
The ISP Report Card in San Luis Obispo County is B-, which is better than other counties. The local demand for broadband internet connectivity in San Luis Obispo County is high with a score of 72 / 100 in our Digital Connectivity Index. This means that internet service providers operating in San Luis Obispo County have done a good job meeting the needs of its residents.
The San Luis Obispo County ISP Report Card evaluates the county on availability and speed metrics compared to other counties in the United States. ISP Infrastructure can vary greatly and on its own isn’t a perfect measure of what a county needs. Please see our ISP Report Card along with the Digital Connectivity Index above to evaluate how well the connectivity demand is met by the existing infrastructure.
93% of San Luis Obispo County households have an internet connection despite having 96.06% availability. 76% of households have fiber, cable, or DSL, 11% have satellite, 0% are still on dial-up, and 2% of households have internet but don’t pay for a subscription because it’s subsidized by the Affordable Connectivity Program.
As you can see in the table above, while 76% of households have a broadband connection such as fiber, cable or DSL available to their home, 79% subscribe to it. A large amount of San Luis Obispo County residents are taking advantage of the available internet infrastructure.
For more details, please visit our ISP Report Card and Digital Connectivity Index pages.
How do Neighboring Counties Compare to San Luis Obispo County?
- ISP Report Card: B-
- Digital Connectivity Index: 65 / 100
- ISP Report Card: D+
- Digital Connectivity Index: 50 / 100
- ISP Report Card: B
- Digital Connectivity Index: 71 / 100
- ISP Report Card: C
- Digital Connectivity Index: 60 / 100
- ISP Report Card: A-
- Digital Connectivity Index: 54 / 100
- ISP Report Card: B
- Digital Connectivity Index: 46 / 100
- ISP Report Card: D-
- Digital Connectivity Index: 37 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 30 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 37 / 100
How Much Speed does a San Luis Obispo County Household Need?
Higher speed is typically preferred, but that comes at a higher price. The average size of a household in San Luis Obispo County is 2.5, which is smaller than the California average of 3.0 and smaller than the national average of 2.7. San Luis Obispo County's average household income is $96,625 which is about average for the California average of $108,618 and much higher than the national average of $90,606. Homes with more people living in them and with higher incomes tend to indicate more devices being used more often.
San Luis Obispo County also has 21% of its population enrolled in school between the 6th grade and college level, this is higher than the California average of 17%. Additionally, 15% of residents work from home, which is lower than the 15% of residents in California who work from home. This and other factors you can see above show us that the community of San Luis Obispo County has a very high need for internet connectivity and speeds.
Compared to the rest of the country, San Luis Obispo County households are more technology-engaged. 97% of households have some sort of computing device, 91% have desktops or laptops in the home, and 94% have smartphones. To see what speeds you are currently getting, please visit our internet speed test tool.
Which Fiber Internet Providers are Available in San Luis Obispo County?
Astound Broadband Fiber in San Luis Obispo County, CA
Astound Broadband offers Fiber service to 38.6% of San Luis Obispo County homes. Across the county, Astound Broadband Fiber is the only type of service available from the company, with speeds up to 5,000 Mbps
EarthLink Fiber in San Luis Obispo County, CA
EarthLink offers Fiber service to 6.5% of San Luis Obispo County homes. Across the county, EarthLink Fiber has speeds up to 4,594 Mbps, with speeds from 1,000 Mpbs up to 5,000 Mbps depending on the address. Upload speeds are symmetrical, meaning they are exactly the same as download speeds for EarthLink Fiber. EarthLink Fiber is rated about the same as other types of internet service available in San Luis Obispo County from EarthLink in terms of customer satisfaction.
AT&T Fiber in San Luis Obispo County, CA
AT&T offers Fiber service to 6.5% of San Luis Obispo County homes. Across the county, AT&T Fiber has speeds up to 4,594 Mbps, with speeds from 1,000 Mpbs up to 5,000 Mbps depending on the address. Upload speeds are symmetrical, meaning they are exactly the same as download speeds for AT&T Fiber. AT&T Fiber is rated higher than other types of internet service available in San Luis Obispo County from AT&T in terms of customer satisfaction.
Frontier Fiber in San Luis Obispo County, CA
Frontier Communications offers Fiber service to 1.2% of San Luis Obispo County homes. Across the county, Frontier Fiber is the only type of service available from the company, with speeds up to 5,000 Mbps
Which Cable Internet Providers are Available in San Luis Obispo County?
Spectrum Cable in San Luis Obispo County, CA
Spectrum offers Cable service to 84.8% of San Luis Obispo County homes. Across the county, Spectrum Cable is the only type of service available from the company, with speeds up to 1,000 Mbps
Which DSL Internet Providers are Available in San Luis Obispo County?
EarthLink DSL in San Luis Obispo County, CA
EarthLink offers DSL service to 62.0% of San Luis Obispo County homes. Across the county, EarthLink DSL has speeds up to 10 Mbps, with speeds from 10 Mpbs up to 25 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 5.0, with an average of 1.0 Mbps throughout the county. EarthLink DSL is rated the same as other types of internet service available in San Luis Obispo County from EarthLink in terms of customer satisfaction.
AT&T DSL in San Luis Obispo County, CA
AT&T offers DSL service to 62.0% of San Luis Obispo County homes. Across the county, AT&T DSL has speeds up to 10 Mbps, with speeds from 10 Mpbs up to 25 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 5.0, with an average of 1.0 Mbps throughout the county. AT&T DSL is rated about the same as other types of internet service available in San Luis Obispo County from AT&T in terms of customer satisfaction.
Which Fixed Wireless and LTE Internet Providers are Available in San Luis Obispo County?
T-Mobile Home Internet Fixed Wireless in San Luis Obispo County, CA
T-Mobile Home Internet offers Fixed Wireless service to 83.3% of San Luis Obispo County homes. Across the county, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 57 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 20, with an average of 10 Mbps throughout the county.
surfnet communications Fixed Wireless in San Luis Obispo County, CA
surfnet communications offers Fixed Wireless service to 72.9% of San Luis Obispo County homes. Across the county, surfnet communications Fixed Wireless is the only type of service available from the company, with speeds up to 100 Mbps
Verizon Fixed Wireless in San Luis Obispo County, CA
Verizon offers Fixed Wireless service to 63.9% of San Luis Obispo County homes. Across the county, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 300 Mbps
Ranch Wifi Fixed Wireless in San Luis Obispo County, CA
Ranch Wifi offers Fixed Wireless service to 47.9% of San Luis Obispo County homes. Across the county, Ranch Wifi Fixed Wireless is the only type of service available from the company, with speeds up to 108 Mbps, with speeds from 10 Mpbs up to 2,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 2,000, with an average of 29 Mbps throughout the county.
EarthLink Fixed Wireless in San Luis Obispo County, CA
EarthLink offers Fixed Wireless service to 30.1% of San Luis Obispo County homes. Across the county, EarthLink Fixed Wireless has speeds up to 29 Mbps, with speeds from 10 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 20, with an average of 3.9 Mbps throughout the county.
AT&T Fixed Wireless in San Luis Obispo County, CA
AT&T offers Fixed Wireless service to 30.1% of San Luis Obispo County homes. Across the county, AT&T Fixed Wireless has speeds up to 29 Mbps, with speeds from 10 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 20, with an average of 3.9 Mbps throughout the county.
Peak Wifi Fixed Wireless in San Luis Obispo County, CA
Peak Wifi offers Fixed Wireless service to 12.1% of San Luis Obispo County homes. Across the county, Peak Wifi Fixed Wireless is the only type of service available from the company, with speeds up to 100 Mbps
Advanced Wireless Fixed Wireless in San Luis Obispo County, CA
Advanced Wireless offers Fixed Wireless service to 1.5% of San Luis Obispo County homes. Across the county, Advanced Wireless Fixed Wireless is the only type of service available from the company, with speeds up to 110 Mbps
Which ISP Should You Choose in San Luis Obispo County?
The right ISP for you depends upon your needs, but in general we can make the following suggestions:
- The best all-around internet service provider in San Luis Obispo County is Ranch Wifi.
- The fastest internet provider should be Astound Broadband. Considering speed for the money and reliability in speeds, Ranch Wifi may be a better choice based on real-world local customer feedback.
- The most affordable internet provider in San Luis Obispo County is Ranch Wifi.
- Spectrum, Viasat, and HughesNet has the broadest coverage in San Luis Obispo County, and is most likely to cover your home. To find out exactly what's available at your home, please use our address search tool.
How does San Luis Obispo County compare to other cities with a similar population?
To see how San Luis Obispo County stacks up on the national level, it's useful to look at some other cities with similarly sized populations. Below you can see a list of these cities and how they compare to San Luis Obispo County's B- ISP Report Card and 72 / 100 Digital Connectivity Index.
- ISP Report Card: B+
- Digital Connectivity Index: 52 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 48 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 73 / 100
- ISP Report Card: A-
- Digital Connectivity Index: 62 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 70 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 87 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 80 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 72 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 56 / 100
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