Internet Speeds in Los Altos, CA

There are 2 internet providers operating in Los Altos, the most popular being Xfinity. Xfinity offers cable and fiber internet service. In 26,249 recent tests, on average, we have been seeing 175 Mbps for download speeds and 19 Mbps for upload speeds for Xfinity customers. In addition to Xfinity, DSL, fiber and fixed wireless internet service is also available from AT&T.

While these are the real speeds we have been seeing in our research, there are many factors that go into the actual download and upload speeds you will encounter.

Last updated on September 26, 2023
ProviderDownload SpeedUpload SpeedLatency
Xfinity
Cable
Fiber
View Details →
175 Mbps19 Mbps9 ms
AT&T
DSL
Fiber
Fixed Wireless
View Details →
139 Mbps93 Mbps7 ms
* Data from speed tests taken in the last 3 months

Internet Providers in Los Altos, CA

Xfinity

Cable
Fiber

Download Speed

175Mbps

Upload Speed

19Mbps

Latency

9ms

Overview

Xfinity is the most popular provider in Los Altos offering cable and fiber internet service. Users have been getting 175 Mbps for download speeds and 19 Mbps for upload speeds over 26,249 recent tests.

Performance Breakdown

Xfinity has the fastest average download speed, the 2nd fastest average upload speed, and the 2nd lowest latency out of all of the providers in Los Altos. 25% of users saw download speeds between 100-250 Mbps, and 40% of users saw upload speeds between 10-25 Mbps.

Download Speeds

Upload Speeds

Recent Xfinity Speed Tests in Los Altos

DateDownload SpeedUpload SpeedLatency
September 24, 2023385 Mbps41 Mbpsn/a ms
September 24, 202326 Mbps13 Mbps11 ms
September 24, 2023237 Mbps24 Mbps15 ms
September 24, 2023101 Mbps92 Mbpsn/a ms
September 24, 202314 Mbps11 Mbps9 ms
September 24, 202330 Mbps22 Mbps8 ms
September 24, 2023333 Mbps21 Mbps18 ms
September 24, 2023610 Mbps41 Mbpsn/a ms
September 24, 202317 Mbps11 Mbps9 ms
September 24, 202313 Mbps8 Mbps23 ms

AT&T

DSL
Fiber
Fixed Wireless

Download Speed

139Mbps

Upload Speed

93Mbps

Latency

7ms

Overview

AT&T is the 2nd most popular provider in Los Altos offering DSL, fiber and fixed wireless internet service. Users have been getting 139 Mbps for download speeds and 93 Mbps for upload speeds over 5,365 recent tests.

Performance Breakdown

AT&T has the 2nd fastest average download speed, the fastest average upload speed, and the lowest latency out of all of the providers in Los Altos. 23% of users saw download speeds between 250-500 Mbps, and 33% of users saw upload speeds faster than 250 Mbps.

Download Speeds

Upload Speeds

Recent AT&T Speed Tests in Los Altos

DateDownload SpeedUpload SpeedLatency
September 24, 202364 Mbps114 Mbps6 ms
September 24, 2023560 Mbps169 Mbps8 ms
September 24, 202327 Mbps4 Mbps23 ms
September 24, 202393 Mbps93 Mbpsn/a ms
September 24, 202375 Mbps78 Mbps41 ms
September 24, 202329 Mbps6 Mbpsn/a ms
September 24, 20232 Mbps94 Mbps117 ms
September 24, 202329 Mbps5 Mbpsn/a ms
September 24, 2023934 Mbps894 Mbpsn/a ms
September 24, 2023375 Mbps286 Mbps7 ms

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Frequently Asked Questions

What internet providers are available in Los Altos, CA?

Xfinity and AT&T currently operate in Los Altos.

What is the most popular internet provider in Los Altos, CA?

Xfinity is currently the most popular internet provider in Los Altos based on the number of speed tests in the last 3 months.

What is the fastest internet provider in Los Altos, CA?

The fastest internet provider for you is going to differ based on your needs, and which providers actually serve your home. However, when it comes to the real speeds users in Los Altos are getting, Xfinity provides the fastest download and upload speeds.

Is there fiber internet in Los Altos, CA?

AT&T and Xfinity provide fiber internet in Los Altos.