Internet Speeds in San Carlos, CA

San Carlos residents have 2 internet providers to choose from. AT&T is the most popular provider, offering DSL and fiber internet service. In our research, we have been seeing 262 Mbps for download speeds and 161 Mbps for upload speeds for AT&T customers over 5,755 recent tests. In addition to AT&T, cable and fiber internet service is also available from Xfinity.

See more detailed speed and coverage data below.

Last updated on March 18, 2024
ProviderDownload SpeedUpload SpeedLatency
AT&T
DSL
Fiber
View Details →
262 Mbps161 Mbps6 ms
Xfinity
Cable
Fiber
View Details →
167 Mbps21 Mbps10 ms
* Data from speed tests taken in the last 3 months

Internet Providers in San Carlos, CA

AT&T

DSL
Fiber

Download Speed

262Mbps

Upload Speed

161Mbps

Latency

6ms

Overview

AT&T is the most popular provider in San Carlos offering DSL and fiber internet service. Users have been getting 262 Mbps for download speeds and 161 Mbps for upload speeds over 5,755 recent tests.

Performance Breakdown

AT&T has the fastest average download speed, the fastest average upload speed, and the lowest latency out of all of the providers in San Carlos. 27% of users saw download speeds faster than 500 Mbps, and 39% of users saw upload speeds faster than 250 Mbps.

Download Speeds

Upload Speeds

Recent AT&T Speed Tests in San Carlos

DateDownload SpeedUpload SpeedLatency
March 16, 2024801 Mbps446 Mbps3 ms
March 16, 2024897 Mbps911 Mbps4 ms
March 16, 202486 Mbps85 Mbps9 ms
March 16, 2024329 Mbps277 Mbps5 ms
March 16, 2024343 Mbps118 Mbps10 ms
March 16, 2024144 Mbps148 Mbps4 ms
March 16, 2024875 Mbps904 Mbps3 ms
March 16, 2024831 Mbps619 Mbps6 ms
March 16, 2024112 Mbps27 Mbps5 ms
March 16, 20242 Mbps4 Mbps5 ms

Xfinity

Cable
Fiber

Download Speed

167Mbps

Upload Speed

21Mbps

Latency

10ms

Overview

Xfinity is the 2nd most popular provider in San Carlos offering cable and fiber internet service. Users have been getting 167 Mbps for download speeds and 21 Mbps for upload speeds over 4,933 recent tests.

Performance Breakdown

Xfinity has the 2nd fastest average download speed, the 2nd fastest average upload speed, and the 2nd lowest latency out of all of the providers in San Carlos. 24% of users saw download speeds between 100-250 Mbps, and 43% of users saw upload speeds between 10-25 Mbps.

Download Speeds

Upload Speeds

Recent Xfinity Speed Tests in San Carlos

DateDownload SpeedUpload SpeedLatency
March 16, 202457 Mbps18 Mbps12 ms
March 16, 20241141 Mbps39 Mbps5 ms
March 16, 2024462 Mbps18 Mbps13 ms
March 16, 2024384 Mbps15 Mbps9 ms
March 16, 2024533 Mbps27 Mbps15 ms
March 16, 2024244 Mbps35 Mbps17 ms
March 16, 202442 Mbps6 Mbps15 ms
March 16, 2024230 Mbps22 Mbps5 ms
March 16, 202463 Mbps71 Mbps8 ms
March 16, 2024194 Mbps39 Mbps177 ms

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Frequently Asked Questions

What internet providers are available in San Carlos, CA?

AT&T and Xfinity currently operate in San Carlos.

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

AT&T 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.