Best Internet Providers in South Los Altos, Los Altos, CA
All 8 providers, ranked by coverage, speed and customer ratings
Find internet availability by address in South Los Altos, Los Altos, CA
South Los Altos has 8 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 neighborhood. Reviews are grouped by provider and the type of service they offer, covering all 4 available internet technologies in South Los Altos.
The Best Internet in South Los Altos, Los Altos, CA at a Glance
South Los Altos Internet Providers, Ranked by Coverage, Speed and Customer Ratings
XFINITY
Connection
Customer Rating
Cable
EarthLink
Connection
Customer Rating
Fiber
DSL
Fixed Wireless
AT&T
Connection
Customer Rating
Fiber
DSL
Fixed Wireless
Etheric Networks
Connection
Customer Rating
Fixed Wireless
Providers with less than 1% coverage in this neighborhood are excluded from the list. To see if one of these providers is available at your home, please use the address search above.
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 Los Altos ratings may vary and are shown below.
Who is the Best Internet Provider in South Los Altos, Los Altos, CA?
T-Mobile Home Internet is the best internet provider in South Los Altos based on California customer satisfaction ratings and reviews. Based on our extensive and unbiased survey, T-Mobile Home Internet had the best reviews at the local, state, and national levels versus all available providers in South Los Altos, making it a solid recommendation among providers with reviews. T-Mobile Home Internet is an option for 84.20% of the neighborhood.
Click here to get T-Mobile Home Internet
or call 1-833-601-2935
Which Providers are Available at my Home in South Los Altos?
Coverage changes block by block. Pick a provider and a technology to see where its service reaches: the darker the area, the larger the share of homes it covers. For your exact address, use the address search above.
Coverage map for each provider in South Los Altos, Los Altos
- AT&T - fiber coverage map
- EarthLink - fiber coverage map
- XFINITY - cable coverage map
- Etheric Networks - fixed wireless coverage map
- Verizon - fixed wireless coverage map
- GeoLinks - fixed wireless coverage map
- T-Mobile Home Internet - fixed wireless coverage map
- AT&T - dsl coverage map
- EarthLink - dsl coverage map
- Ridge Wireless - fixed wireless coverage map
- AT&T - fixed wireless coverage map
- EarthLink - fixed wireless coverage map
How South Los Altos Compares to the Rest of Los Altos
Fiber reaches 72.5% of homes in South Los Altos, against 88.1% across Los Altos and 59.0% across Santa Clara County. Households in South Los Altos are larger than the US average (2.9 people against 2.7); 30% of workers work from home (US 15%); and the median household income is $212,151 (US $93,246).
Our demographic data is sourced from the latest 5-year release of the American Community Survey by the US Census Bureau.
Fiber, 5G, Cable and DSL Internet in South Los Altos
Which Fiber Internet Providers are Available in South Los Altos?
EarthLink Fiber in South Los Altos, Los Altos, CA
Availability:
72.5%
Customer Rating:
(6)
Avg. Download Speed
5,000 Mbps
EarthLink offers Fiber service to 72.5% of South Los Altos homes. Across the neighborhood, EarthLink Fiber has speeds up to 5,000 Mbps
AT&T Fiber in South Los Altos, Los Altos, CA
Availability:
72.5%
Customer Rating:
(542)
Avg. Download Speed
5,000 Mbps
AT&T offers Fiber service to 72.5% of South Los Altos homes. Across the neighborhood, AT&T Fiber has speeds up to 5,000 Mbps
Which Fixed Wireless and LTE Internet Providers are Available in South Los Altos?
Etheric Networks Fixed Wireless in South Los Altos, Los Altos, CA
Availability:
100.0%
Customer Rating:
(0)
Avg. Download Speed
250 Mbps
Etheric Networks offers Fixed Wireless service to 100.0% of South Los Altos homes. Across the neighborhood, Etheric Networks Fixed Wireless is the only type of service available from the company, with speeds up to 250 Mbps
Verizon Fixed Wireless in South Los Altos, Los Altos, CA
Availability:
98.6%
Customer Rating:
(362)
Avg. Download Speed
193 Mbps
Verizon offers Fixed Wireless service to 98.6% of South Los Altos homes. Across the neighborhood, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 193 Mbps, with speeds from 25 Mpbs up to 300 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 6.0 and as high as 20, with an average of 15 Mbps throughout the neighborhood.
Ridge Wireless Fixed Wireless in South Los Altos, Los Altos, CA
Availability:
97.0%
Customer Rating:
(0)
Avg. Download Speed
64 Mbps
Ridge Wireless offers Fixed Wireless service to 97.0% of South Los Altos homes. Across the neighborhood, Ridge Wireless Fixed Wireless is the only type of service available from the company, with speeds up to 64 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 60, with an average of 25 Mbps throughout the neighborhood.
EarthLink Fixed Wireless in South Los Altos, Los Altos, CA
Availability:
96.6%
Customer Rating:
(4)
Avg. Download Speed
43 Mbps
EarthLink offers Fixed Wireless service to 96.6% of South Los Altos homes. Across the neighborhood, EarthLink Fixed Wireless has speeds up to 43 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 7.2 Mbps throughout the neighborhood.
AT&T Fixed Wireless in South Los Altos, Los Altos, CA
Availability:
96.6%
Customer Rating:
(205)
Avg. Download Speed
43 Mbps
AT&T offers Fixed Wireless service to 96.6% of South Los Altos homes. Across the neighborhood, AT&T Fixed Wireless has speeds up to 43 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 7.2 Mbps throughout the neighborhood.
T-Mobile Home Internet Fixed Wireless in South Los Altos, Los Altos, CA
Availability:
84.2%
Customer Rating:
(342)
Avg. Download Speed
95 Mbps
T-Mobile Home Internet offers Fixed Wireless service to 84.2% of South Los Altos homes. Across the neighborhood, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 95 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 19 Mbps throughout the neighborhood.
GeoLinks Fixed Wireless in South Los Altos, Los Altos, CA
Availability:
12.8%
Customer Rating:
(0)
Avg. Download Speed
1,000 Mbps
GeoLinks offers Fixed Wireless service to 12.8% of South Los Altos homes. Across the neighborhood, GeoLinks Fixed Wireless is the only type of service available from the company, with speeds up to 1,000 Mbps
Which Cable Internet Providers are Available in South Los Altos?
XFINITY Cable in South Los Altos, Los Altos, CA
Availability:
100.0%
Customer Rating:
(2077)
Avg. Download Speed
1,763 Mbps
XFINITY from Comcast offers Cable service to 100.0% of South Los Altos homes. Across the neighborhood, XFINITY Cable is the only type of service available from the company, with speeds up to 1,763 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 2,000, with an average of 539 Mbps throughout the neighborhood.
Which DSL Internet Providers are Available in South Los Altos?
EarthLink DSL in South Los Altos, Los Altos, CA
Availability:
85.7%
Customer Rating:
(5)
Avg. Download Speed
83 Mbps
EarthLink offers DSL service to 85.7% of South Los Altos homes. Across the neighborhood, EarthLink DSL has speeds up to 83 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 5.0 and as high as 20, with an average of 17 Mbps throughout the neighborhood. EarthLink DSL is rated higher than other types of internet service available in South Los Altos from EarthLink in terms of customer satisfaction.
AT&T DSL in South Los Altos, Los Altos, CA
Availability:
85.7%
Customer Rating:
(304)
Avg. Download Speed
83 Mbps
AT&T offers DSL service to 85.7% of South Los Altos homes. Across the neighborhood, AT&T DSL has speeds up to 83 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 5.0 and as high as 20, with an average of 17 Mbps throughout the neighborhood. AT&T DSL is rated about the same as other types of internet service available in South Los Altos from AT&T in terms of customer satisfaction.
How South Los Altos Compares to Its Neighbors
The 10 neighborhoods nearest to South Los Altos that have their own pages are all within 4 miles. Among them, Cuesta Park (Mountain View) has the most homes with fiber (96.8%) and Ponderosa Park (Sunnyvale) the fewest (41.5%); South Los Altos has 72.5%.
| Place | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|---|---|---|---|---|---|
| South Los Altos (this page) | 6,312 | 72.5% | 4,105 Mbps | 10 | B+ | 95/100 |
| Sunnyvale West (Sunnyvale) | 47,057 | 52.7% | 3,135 Mbps | 9.9 | B | 88/100 |
| Ponderosa Park (Sunnyvale) | 14,487 | 41.5% | 3,058 Mbps | 9.2 | B | 89/100 |
| Rancho Rinconada (Cupertino) | 12,868 | 96.0% | 4,378 Mbps | 10.9 | A | 93/100 |
| Heritage District (Sunnyvale) | 10,542 | 71.9% | 3,528 Mbps | 10.9 | B+ | 77/100 |
| Old Mountain View (Mountain View) | 7,668 | 90.9% | 3,887 Mbps | 11.3 | A- | 76/100 |
| Birdland Neighbors (Sunnyvale) | 5,997 | 67.5% | 3,765 Mbps | 9.3 | B+ | 96/100 |
| Whisman Station (Mountain View) | 5,062 | 92.6% | 3,758 Mbps | 12.2 | A- | 86/100 |
| Cuesta Park (Mountain View) | 4,514 | 96.8% | 4,549 Mbps | 12 | A | 92/100 |
| Lowlanders (Sunnyvale) | 3,703 | 64.0% | 3,934 Mbps | 11.7 | B+ | 87/100 |
| Martens-Carmelita (Mountain View) | 3,586 | 44.0% | 3,229 Mbps | 9.5 | B | 77/100 |
Who is the Fastest Internet Provider in South Los Altos?
According to unbiased feedback from real internet customers, they reported being happiest with speeds provided by T-Mobile Home Internet. On the other hand, based on data provided by the internet providers to the FCC, AT&T and EarthLink 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 Los Altos
| AT&T | 5,000 |
|---|---|
| EarthLink | 5,000 |
| XFINITY from Comcast | 2,000 |
| GeoLinks | 1,000 |
| Verizon | 300 |
| Etheric Networks | 250 |
| Viasat | 100 |
| Ridge Wireless | 100 |
| T-Mobile Home Internet | 100 |
| HughesNet | 25 |
How fast is your internet?
Test your connection here and see it next to the speeds providers advertise in South Los Altos. It takes about 20 seconds and, on a fast line, can move a few hundred MB of data.
Customer Ratings for South Los Altos Internet Providers
Based on 387 reviews from California internet customers, T-Mobile Home Internet is the best internet service provider for South Los Altos residents. T-Mobile Home Internet was rated at an average of 4.11 out of 5 in our report for overall customer satisfaction. Verizon wins for second-place in California, with 3.61 out of 5 stars and 98.6% coverage in South Los Altos.
At a national level, based on 4603 national reviews for any of the providers listed above, T-Mobile Home Internet is rated higher than any other provider, with a rating of 4.02 out of 5.
Local, State, and National Ratings for all South Los Altos Internet Providers
The table below shows average customer ratings from customers in South Los Altos, California, and customers throughout the country.
| ISP / Tech Type | South Los Altos Overall | California Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| T-Mobile Home Internet | (0) | (27) | (342) | View Plans | ||
| Verizon | (0) | (28) | (816) | View Plans | ||
| HughesNet | (0) | (1) |  (25) | View Plans | ||
| Viasat | (0) | (1) |  (12) | View Plans | ||
| XFINITY | (0) | (211) | (2379) | View Plans | ||
| EarthLink | (0) | (2) | (15) | View Plans | ||
| AT&T | (0) | (119) | (1051) | View Plans | ||
| Ridge Wireless | (0) | (0) | (0) | View Plans | ||
| Etheric Networks | (0) | (0) | (0) | View Plans | ||
| GeoLinks | (0) | (0) | (0) | View Plans |
Customer Ratings for Internet Provider Speeds in South Los Altos
Based on data reported by South Los Altos ISPs to the FCC, the fastest speeds in the neighborhood are available through AT&T and EarthLink. These internet providers offer speeds up to 5,000 Mbps in South Los Altos. Therefore, the average customer can get up to 3,646 Mbps if they’re willing to purchase the fastest subscription tier available at their homes.
However, actual customers rated their satisfaction with internet speed highest with T-Mobile Home Internet. This indicates T-Mobile Home Internet reliably delivers speeds expected by the customer based on the plan they are paying for.
| ISP / Tech Type | South Los Altos Speed | California Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| T-Mobile Home Internet | (0) | (27) | (342) | View Plans | ||
| XFINITY | (0) | (211) | (2379) | View Plans | ||
| Verizon | (0) | (28) | (816) | View Plans | ||
| HughesNet | (0) |  (1) | (25) | View Plans | ||
| Viasat | (0) |  (1) | (12) | View Plans | ||
| AT&T | (0) | (119) | (1051) | View Plans | ||
| EarthLink | (0) | (2) | (15) | View Plans | ||
| Ridge Wireless | (0) | (0) | (0) | View Plans | ||
| Etheric Networks | (0) | (0) | (0) | View Plans | ||
| GeoLinks | (0) | (0) | (0) | View Plans |
Who is the Cheapest Internet Provider in South Los Altos?
Of the providers in South Los Altos, customers rate T-Mobile Home Internet the best for price. Data comes from customers rating their satisfaction with pricing: in South Los Altos where enough of them have reviewed a provider, otherwise across California or the country. This feedback is valuable because it considers price changes and whether the speeds paid for are worth it.
T-Mobile Home Internet is rated 4.26 out of 5 for price, which is higher than the average across all internet providers in the country. Verizon is rated second for affordability, with an average price rating of 3.75 out of 5.
The table below shows how customers in South Los Altos, California, and the United States rated the affordability of their internet service.
Rated Affordability in South Los Altos
| ISP / Tech Type | South Los Altos Affordability | California Affordability | National Affordability | For Service | ||
|---|---|---|---|---|---|---|
| T-Mobile Home Internet | (0) |  (27) | (342) | View Plans | ||
| Verizon | (0) | (28) | (816) | View Plans | ||
| HughesNet | (0) | (1) | (25) | View Plans | ||
| Viasat | (0) | (1) | (12) | View Plans | ||
| EarthLink | (0) | (2) | (15) | View Plans | ||
| AT&T | (0) | (119) | (1051) | View Plans | ||
| XFINITY | (0) | (211) | (2379) | View Plans | ||
| Ridge Wireless | (0) | (0) | (0) | View Plans | ||
| Etheric Networks | (0) | (0) | (0) | View Plans | ||
| GeoLinks | (0) | (0) | (0) | View Plans |
Customer Reviews for Internet Service Providers in California
Customer Reviews
Steve
ting Fiber
November 13, 2026 Slow, 1/10th the speed they advertised
Robert
Verizon Fixed Wireless
November 10, 2026 Was cut off with .out notice due to upgrade and was not provided connection to upgrade from the same location (tower). Causing further problems in service and added cost.
ISPReports User
AT&T DSL
November 08, 2026 Lousy
ISPReports User
Fidium
November 08, 2026 Vernice
Frontier Fiber
November 01, 2026 Horrible this is horrible. My internet has been down for two days in a half. Never again
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Which ISP Should You Choose in South Los Altos?
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 Los Altos is T-Mobile Home Internet.
- The fastest internet provider should be AT&T and EarthLink. Considering speed for the money and reliability in speeds, T-Mobile Home Internet may be a better choice based on real-world local customer feedback.
- The most affordable internet provider in South Los Altos is T-Mobile Home Internet.
- XFINITY from Comcast, Viasat, HughesNet, Etheric Networks, EarthLink, and AT&T has the broadest coverage in South Los Altos, available to 100.0% of homes, and is most likely to cover your home. To find out exactly what’s available at your home, please use our address search tool.