RealSpeeds

Internet Speeds in San Carlos, CA

There are 2 internet providers operating in San Carlos, the most popular being Xfinity. Xfinity offers cable and fiber internet service. In 7,493 recent tests, on average, we have been seeing 119 Mbps for download speeds and 18 Mbps for upload speeds for Xfinity customers. In addition to Xfinity, DSL and fiber 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 22, 2022
ProviderDownload SpeedUpload SpeedLatency
Xfinity
Cable
Fiber
View Details →
119 Mbps18 Mbps8 ms
AT&T
DSL
Fiber
View Details →
139 Mbps100 Mbps6 ms
* Data from speed tests taken in the last 3 months

Internet Providers in San Carlos, CA

Xfinity

Cable
Fiber

Download Speed

119Mbps

Upload Speed

18Mbps

Latency

8ms

Overview

Xfinity is the most popular provider in San Carlos offering cable and fiber internet service. Users have been getting 119 Mbps for download speeds and 18 Mbps for upload speeds over 7,493 recent tests.

Speed Breakdown

Xfinity has the 2nd fastest average download speeds and the 2nd fastest average upload speeds out of all of the providers in San Carlos. 28% of users saw download speeds between 100-250 Mbps, and 42% of users saw upload speeds between 10-25 Mbps.

Download Speeds

Upload Speeds

Recent Speed Tests

DateDownload SpeedUpload SpeedLatency
September 20, 2022525 Mbps41 Mbps5 ms
September 20, 2022119 Mbps18 Mbps8 ms
September 20, 2022216 Mbps37 Mbps8 ms
September 20, 2022126 Mbps18 Mbpsn/a ms
September 20, 202289 Mbps18 Mbpsn/a ms
September 20, 202236 Mbps1 Mbps11 ms
September 20, 2022299 Mbps30 Mbps19 ms
September 20, 2022466 Mbps11 Mbps10 ms
September 20, 2022464 Mbps41 Mbps7 ms
September 20, 2022503 Mbps40 Mbps5 ms

AT&T

DSL
Fiber

Download Speed

139Mbps

Upload Speed

100Mbps

Latency

6ms

Overview

AT&T is the 2nd most popular provider in San Carlos offering DSL and fiber internet service. Users have been getting 139 Mbps for download speeds and 100 Mbps for upload speeds over 5,126 recent tests.

Speed Breakdown

AT&T has the fastest average download speeds and the fastest average upload speeds out of all of the providers in San Carlos. 20% of users saw download speeds faster than 500 Mbps, and 28% of users saw upload speeds faster than 250 Mbps.

Download Speeds

Upload Speeds

Recent Speed Tests

DateDownload SpeedUpload SpeedLatency
September 20, 202213 Mbps16 Mbps6 ms
September 20, 202216 Mbps27 Mbps11 ms
September 20, 202216 Mbps15 Mbps17 ms
September 20, 202244 Mbps10 Mbps21 ms
September 20, 202244 Mbps10 Mbps21 ms
September 20, 2022533 Mbps449 Mbpsn/a ms
September 20, 20227 Mbps8 Mbps30 ms
September 20, 2022202 Mbps199 Mbpsn/a ms
September 20, 202294 Mbps94 Mbps19 ms
September 20, 202216 Mbps1 Mbps21 ms

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Frequently Asked Questions

What internet providers are available in San Carlos, CA?

Xfinity and AT&T currently operate in San Carlos.

What is the most popular internet provider in San Carlos, CA?

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

What is the fastest internet provider in San Carlos, 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 San Carlos are getting, AT&T provides the fastest download speeds and AT&T provides the fastest upload speeds.

Is there fiber internet in San Carlos, CA?

AT&T and Xfinity provide fiber internet in San Carlos.