11 Best Internet Providers in South San Francisco, CA
Find internet availability by address in South San Francisco, CA
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South San Francisco ISP Report Card | A- |
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Download Speed for Most Households | 4,519 Mbps |
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Number of Internet Service Providers | 11 |
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Real South San Francisco Customer Ratings | 7 |
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.
South San Francisco has 11 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Fiber, Cable, DSL, and Fixed Wireless internet are available in the city. Reviews are grouped by provider and the type of service they offer, covering all 4 available internet technologies in South San Francisco.
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South San Francisco has 11 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Fiber, Cable, DSL, and Fixed Wireless internet are available in the city. Reviews are grouped by provider and the type of service they offer, covering all 4 available internet technologies in South San Francisco.
Compare Providers Ranked by Coverage, Speed, and Customer Ratings
XFINITY
Connection
Customer Rating
Fiber
Cable
EarthLink
Connection
Customer Rating
Fiber
DSL
Fixed Wireless
AT&T
Connection
Customer Rating
Fiber
DSL
Fixed Wireless
Astound Broadband
Connection
Customer Rating
Fiber
Cable
DSL
Above are the top 4 providers in South San Francisco, CA for most people based on high speed internet coverage, speeds, and customer reviews. Click below to see all providers in your city.
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 South San Francisco ratings may vary and are shown below.
Who is the Best Internet Provider in South San Francisco, CA?
AT&T is the best internet provider in South San Francisco based on California customer satisfaction ratings and reviews. Based on our extensive and unbiased survey, AT&T had the best reviews at the local, state, and national levels versus all available providers in South San Francisco, making it a solid recommendation among providers with reviews. AT&T is an option for 99.61% of the city.
or call 1-877-610-1219
The chart and table below show average customer ratings from customers in South San Francisco, California, and customers throughout the country.
Top Rated Internet Providers in South San Francisco
Local, State, and National Ratings for all South San Francisco Internet Providers
| ISP / Tech Type | South San Francisco Overall | California Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| T-Mobile Home Internet | (1) | (22) | (284) | View Plans | ||
| AT&T | (1) | (107) | (924) | View Plans | ||
| XFINITY | (5) | (193) | (2164) | View Plans | ||
| Sonic | (0) |  (11) | (11) | View Plans | ||
| Verizon | (0) | (24) | (723) | 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 | ||
| Unwired | (0) |  (1) | (1) | View Plans | ||
| Sail Internet | (0) | (0) | (0) | View Plans | ||
| Etheric Networks | (0) | (0) | (0) | View Plans | ||
| Kwikbit | (0) | (0) | (0) | View Plans |
Based on 379 reviews from California internet customers, AT&T is the best internet service provider for South San Francisco residents. AT&T was rated at an average of 3.29 out of 5 in our report for overall customer satisfaction. T-Mobile Home Internet wins for second-place in California, with 4.00 out of 5 stars and 96.2% coverage in South San Francisco.
At a national level, based on 4257 national reviews for any of the providers listed above, Sonic is rated higher than any other provider, with a rating of 4.27 out of 5.
Which Providers are Available at my Home in South San Francisco?
a different provider.
Internet Availability Key
Speeds and coverage vary within the city, 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 South San Francisco?
According to unbiased feedback from real internet customers in the city, they reported being happiest with speeds provided by AT&T. On the other hand, based on data provided by the internet providers to the FCC, EarthLink and AT&T 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 South San Francisco
| ISP / Tech Type | Max Advertised Speed | ||
|---|---|---|---|
| AT&T | 5,000 Mbps | ||
| EarthLink | 5,000 Mbps | ||
| XFINITY from Comcast | 2,000 Mbps | ||
| Astound Broadband | 1,500 Mbps | ||
| Kwikbit | 1,000 Mbps | ||
| Sail Internet | 1,000 Mbps | ||
| Sonic | 1,000 Mbps | ||
| Unwired | 300 Mbps | ||
| Verizon | 300 Mbps | ||
| Etheric Networks | 250 Mbps | ||
| T-Mobile Home Internet | 100 Mbps | ||
| Viasat | 100 Mbps | ||
| HughesNet | 25 Mbps |
Customer Ratings for Internet Provider Speeds in South San Francisco
| ISP / Tech Type | South San Francisco Speed | California Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| AT&T | (1) | (107) | (924) | View Plans | ||
| XFINITY | (5) | (193) | (2164) | View Plans | ||
| T-Mobile Home Internet | (1) | (22) | (284) | View Plans | ||
| Sonic | (0) | (11) | (11) | View Plans | ||
| Verizon | (0) | (24) | (723) | View Plans | ||
| Astound Broadband | (0) | (17) | (109) | View Plans | ||
| HughesNet | (0) | (1) | (18) | View Plans | ||
| Unwired | (0) | (1) | (1) | View Plans | ||
| Viasat | (0) | (1) |  (11) | View Plans | ||
| EarthLink | (0) | (2) | (12) | View Plans | ||
| Sail Internet | (0) | (0) | (0) | View Plans | ||
| Etheric Networks | (0) | (0) | (0) | View Plans | ||
| Kwikbit | (0) | (0) | (0) | View Plans |
Based on data reported by South San Francisco ISPs to the FCC, the fastest speeds in the city are available through EarthLink and AT&T. These internet providers offer speeds up to 5,000 Mbps in South San Francisco. Therefore, the average customer can get up to 4,278 Mbps if they're willing to purchase the fastest subscription tier available at their homes.
Additionally, actual customers in the city rated their satisfaction with internet speed highest with AT&T. This indicates AT&T reliably delivers speeds expected by the customer based on the plan they are paying for.
Who is the Cheapest Internet Provider in South San Francisco?
California customers rate T-Mobile Home Internet 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.
T-Mobile Home Internet received a local rating of 5.00 out of 5, which is higher than the average across all internet providers in the country. AT&T is rated in second place for affordability by the company’s South San Francisco customers with an average price rating of 4.00 out of 5.
The chart and graph below show how customers in South San Francisco, California, and the United States rated the affordability of their internet service.
Rated Affordability in South San Francisco
| ISP / Tech Type | South San Francisco Affordability | California Affordability | National Affordability | For Service | ||
|---|---|---|---|---|---|---|
| T-Mobile Home Internet |  (1) | (22) | (284) | View Plans | ||
| AT&T | (1) | (107) | (924) | View Plans | ||
| XFINITY | (5) | (193) | (2164) | View Plans | ||
| Sonic | (0) | (11) | (11) | View Plans | ||
| Verizon | (0) | (24) | (723) | 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 | ||
| Unwired | (0) | (1) | (1) | View Plans | ||
| Sail Internet | (0) | (0) | (0) | View Plans | ||
| Etheric Networks | (0) | (0) | (0) | View Plans | ||
| Kwikbit | (0) | (0) | (0) | View Plans |
South San Francisco 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 city 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 South San Francisco below, including the metrics used and how South San Francisco compares to the rest of California and nation.
| Metric
(hover for details)
|
South San Francisco | California | USA | ||
|---|---|---|---|---|---|
| Fiber Availability Percent The percentage of households in South San Francisco that have a Fiber internet connection available to their home. | 90.03% | 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. | 4,519 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 South San Francisco. | 10.2 | 7.4 | 6.8 |
| Average Household SizeA larger household size in a city indicates that there will be a greater need for bandwidth due to simultaneous usage, multiple devices, and network congestion. | 3.0 | 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. | 16% | 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. | 96% | 96% | 95% | ||
| Households with InternetA higher percentage of households with internet indicates a higher need for usage and connectivity in people’s daily lives. | 94% | 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. | 82% | 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. | 82% | 79% | 76% |
Our demographic data is sourced from the latest 5-year release of the American Community Survey by the US Census Bureau.
South San Francisco ISP Report Card & Digital Connectivity Index
The ISP Report Card in South San Francisco is A-, which is much better than other cities. The local demand for broadband internet connectivity in South San Francisco is high with a score of 84 / 100 in our Digital Connectivity Index. This means that internet service providers operating in South San Francisco have done a great job meeting the needs of its residents.
The South San Francisco ISP Report Card evaluates the city on availability and speed metrics compared to other cities in the United States. ISP Infrastructure can vary greatly and on its own isn’t a perfect measure of what a city 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.
94% of South San Francisco households have an internet connection despite having 99.68% availability. 82% of households have fiber, cable, or DSL, 7% have satellite, 0% are still on dial-up, and 1% 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 82% of households have a broadband connection such as fiber, cable or DSL available to their home, 82% subscribe to it. A very large amount of South San Francisco 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 Cities Compare to South San Francisco?
- ISP Report Card: A
- Digital Connectivity Index: 84 / 100
- ISP Report Card: B
- Digital Connectivity Index: 64 / 100
- ISP Report Card: A-
- Digital Connectivity Index: 89 / 100
- ISP Report Card: A-
- Digital Connectivity Index: 85 / 100
- ISP Report Card: A-
- Digital Connectivity Index: 88 / 100
- ISP Report Card: A-
- Digital Connectivity Index: 85 / 100
- ISP Report Card: A-
- Digital Connectivity Index: 97 / 100
- ISP Report Card: A
- Digital Connectivity Index: 83 / 100
- ISP Report Card: A-
- Digital Connectivity Index: 82 / 100
How Much Speed does a South San Francisco Household Need?
Higher speed is typically preferred, but that comes at a higher price. The average size of a household in South San Francisco is 3.0, which is smaller than the California average of 3.0 and larger than the national average of 2.7. South San Francisco's average household income is $140,615 which is much higher than 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.
South San Francisco also has 15% of its population enrolled in school between the 6th grade and college level, this is lower than the California average of 17%. Additionally, 16% of residents work from home, which is higher 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 South San Francisco has a very high need for internet connectivity and speeds.
Compared to the rest of the country, South San Francisco households are more technology-engaged. 96% of households have some sort of computing device, 86% 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 South San Francisco?
EarthLink Fiber in South San Francisco, CA
Availability:
88.3%
Customer Rating:
(5)
Avg. Download Speed
4,815 Mbps
EarthLink offers Fiber service to 88.3% of South San Francisco homes. Across the city, EarthLink Fiber has speeds up to 4,815 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 South San Francisco from EarthLink in terms of customer satisfaction.
AT&T Fiber in South San Francisco, CA
Availability:
88.3%
Customer Rating:
(544)
Avg. Download Speed
4,815 Mbps
AT&T offers Fiber service to 88.3% of South San Francisco homes. Across the city, AT&T Fiber has speeds up to 4,815 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 South San Francisco from AT&T in terms of customer satisfaction.
Sonic Fiber in South San Francisco, CA
Availability:
41.6%
Customer Rating:
(14)
Avg. Download Speed
1,000 Mbps
Sonic offers Fiber service to 41.6% of South San Francisco homes. Across the city, Sonic Fiber is the only type of service available from the company, with speeds up to 1,000 Mbps
Astound Broadband Fiber in South San Francisco, CA
Availability:
2.4%
Customer Rating:
(20)
Avg. Download Speed
1,500 Mbps
Astound Broadband offers Fiber service to 2.4% of South San Francisco homes. Across the city, Astound Broadband Fiber has speeds up to 1,500 Mbps
XFINITY Fiber in South San Francisco, CA
Availability:
1.0%
Customer Rating:
(302)
Avg. Download Speed
1,829 Mbps
XFINITY from Comcast offers Fiber service to 1.0% of South San Francisco homes. Across the city, XFINITY Fiber has speeds up to 1,829 Mbps, with speeds from 1,200 Mpbs up to 2,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 35 and as high as 250, with an average of 204 Mbps throughout the city. XFINITY Fiber is rated about the same as other types of internet service available in South San Francisco from XFINITY in terms of customer satisfaction.
Which Cable Internet Providers are Available in South San Francisco?
XFINITY Cable in South San Francisco, CA
Availability:
99.6%
Customer Rating:
(1,910)
Avg. Download Speed
1,803 Mbps
XFINITY from Comcast offers Cable service to 99.6% of South San Francisco homes. Across the city, XFINITY Cable has speeds up to 1,803 Mbps, with speeds from 1,200 Mpbs up to 2,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 35 and as high as 250, with an average of 197 Mbps throughout the city. XFINITY Cable is rated about the same as other types of internet service available in South San Francisco from XFINITY in terms of customer satisfaction.
Astound Broadband Cable in South San Francisco, CA
Availability:
78.3%
Customer Rating:
(90)
Avg. Download Speed
1,500 Mbps
Astound Broadband offers Cable service to 78.3% of South San Francisco homes. Across the city, Astound Broadband Cable has speeds up to 1,500 Mbps
Which DSL Internet Providers are Available in South San Francisco?
EarthLink DSL in South San Francisco, CA
Availability:
77.3%
Customer Rating:
(4)
Avg. Download Speed
84 Mbps
EarthLink offers DSL service to 77.3% of South San Francisco homes. Across the city, EarthLink DSL has speeds up to 84 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 17 Mbps throughout the city. EarthLink DSL is rated the same as other types of internet service available in South San Francisco from EarthLink in terms of customer satisfaction.
AT&T DSL in South San Francisco, CA
Availability:
77.3%
Customer Rating:
(304)
Avg. Download Speed
84 Mbps
AT&T offers DSL service to 77.3% of South San Francisco homes. Across the city, AT&T DSL has speeds up to 84 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 17 Mbps throughout the city. AT&T DSL is rated about the same as other types of internet service available in South San Francisco from AT&T in terms of customer satisfaction.
Astound Broadband DSL in South San Francisco, CA
Availability:
2.8%
Customer Rating:
(3)
Avg. Download Speed
1,000 Mbps
Astound Broadband offers DSL service to 2.8% of South San Francisco homes. Across the city, Astound Broadband DSL has speeds up to 1,000 Mbps
Which Fixed Wireless and LTE Internet Providers are Available in South San Francisco?
Etheric Networks Fixed Wireless in South San Francisco, CA
Availability:
97.5%
Customer Rating:
(0)
Avg. Download Speed
250 Mbps
Etheric Networks offers Fixed Wireless service to 97.5% of South San Francisco homes. Across the city, Etheric Networks Fixed Wireless is the only type of service available from the company, with speeds up to 250 Mbps
T-Mobile Home Internet Fixed Wireless in South San Francisco, CA
Availability:
96.2%
Customer Rating:
(0)
Avg. Download Speed
65 Mbps
T-Mobile Home Internet offers Fixed Wireless service to 96.2% of South San Francisco homes. Across the city, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 65 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 12 Mbps throughout the city.
EarthLink Fixed Wireless in South San Francisco, CA
Availability:
87.9%
Customer Rating:
(0)
Avg. Download Speed
59 Mbps
EarthLink offers Fixed Wireless service to 87.9% of South San Francisco homes. Across the city, EarthLink Fixed Wireless has speeds up to 59 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 11 Mbps throughout the city.
AT&T Fixed Wireless in South San Francisco, CA
Availability:
87.9%
Customer Rating:
(0)
Avg. Download Speed
59 Mbps
AT&T offers Fixed Wireless service to 87.9% of South San Francisco homes. Across the city, AT&T Fixed Wireless has speeds up to 59 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 11 Mbps throughout the city.
Verizon Fixed Wireless in South San Francisco, CA
Availability:
63.9%
Customer Rating:
(0)
Avg. Download Speed
300 Mbps
Verizon offers Fixed Wireless service to 63.9% of South San Francisco homes. Across the city, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 300 Mbps
Unwired Fixed Wireless in South San Francisco, CA
Availability:
25.3%
Customer Rating:
(0)
Avg. Download Speed
300 Mbps
Unwired offers Fixed Wireless service to 25.3% of South San Francisco homes. Across the city, Unwired Fixed Wireless is the only type of service available from the company, with speeds up to 300 Mbps
Sail Internet Fixed Wireless in South San Francisco, CA
Availability:
4.5%
Customer Rating:
(0)
Avg. Download Speed
200 Mbps
Sail Internet offers Fixed Wireless service to 4.5% of South San Francisco homes. Across the city, Sail Internet Fixed Wireless is the only type of service available from the company, with speeds up to 200 Mbps
Kwikbit Fixed Wireless in South San Francisco, CA
Availability:
1.2%
Customer Rating:
(0)
Avg. Download Speed
1,000 Mbps
Kwikbit offers Fixed Wireless service to 1.2% of South San Francisco homes. Across the city, Kwikbit Fixed Wireless is the only type of service available from the company, with speeds up to 1,000 Mbps
Which ISP Should You Choose in South San Francisco?
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 South San Francisco is AT&T.
- The fastest internet provider should be EarthLink and AT&T. Considering speed for the money and reliability in speeds, AT&T may be a better choice based on real-world local customer feedback.
- The most affordable internet provider in South San Francisco is T-Mobile Home Internet.
- XFINITY from Comcast, Viasat, and HughesNet has the broadest coverage in South San Francisco, 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 South San Francisco compare to other cities with a similar population?
To see how South San Francisco 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 South San Francisco's A- ISP Report Card and 84 / 100 Digital Connectivity Index.
- ISP Report Card: B
- Digital Connectivity Index: 88 / 100
- ISP Report Card: A-
- Digital Connectivity Index: 42 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 75 / 100
- ISP Report Card: B
- Digital Connectivity Index: 69 / 100
- ISP Report Card: A-
- Digital Connectivity Index: 70 / 100
- ISP Report Card: B
- Digital Connectivity Index: 74 / 100
- ISP Report Card: C
- Digital Connectivity Index: 80 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 26 / 100
- ISP Report Card: A-
- Digital Connectivity Index: 77 / 100