RealSpeeds

Internet Speeds in Fairfax, CA

In Fairfax there are 2 internet service providers, with Xfinity being the most popular. Xfinity offers cable internet service. In recent tests, Xfinity customers had an average download speed of 235 Mbps and an average upload speed of 18 Mbps. In addition to Xfinity, DSL and fiber internet service is also available from AT&T.

While our research has shown these to be the real speeds that users experience, there are many factors that can affect the actual download and upload speeds you will encounter. These may include the type of internet connection you have, the distance between your device and the router, the number of users on the network, and the strength of the signal.

Last updated on December 3, 2022
ProviderDownload SpeedUpload SpeedLatency
Xfinity
Cable
View Details →
235 Mbps18 Mbpsn/a ms
AT&T
DSL
Fiber
View Details →
225 Mbps159 Mbps6 ms
* Data from speed tests taken in the last 3 months

Internet Providers in Fairfax, CA

Xfinity

Cable

Download Speed

235Mbps

Upload Speed

18Mbps

Latency

n/ams

Overview

Xfinity is the most popular provider in Fairfax offering cable internet service. Users have been getting 235 Mbps for download speeds and 18 Mbps for upload speeds over 2,565 recent tests.

Performance Breakdown

Xfinity has the fastest average download speed, the 2nd fastest average upload speed, and the lowest latency out of all of the providers in Fairfax. 37% of users saw download speeds between 250-500 Mbps, and 43% of users saw upload speeds between 25-50 Mbps.

Download Speeds

Upload Speeds

Recent Speed Tests

DateDownload SpeedUpload SpeedLatency
December 2, 202215 Mbps28 Mbps17 ms
December 2, 2022439 Mbps42 Mbps8 ms
December 2, 202269 Mbps11 Mbps18 ms
December 1, 2022300 Mbps18 Mbpsn/a ms
December 1, 202252 Mbps11 Mbps29 ms
December 1, 2022291 Mbps39 Mbpsn/a ms
December 1, 2022438 Mbps42 Mbps8 ms
December 1, 202293 Mbps6 Mbpsn/a ms
December 1, 202294 Mbps22 Mbps14 ms
December 1, 2022147 Mbps42 Mbpsn/a ms

AT&T

DSL
Fiber

Download Speed

225Mbps

Upload Speed

159Mbps

Latency

6ms

Overview

AT&T is the 2nd most popular provider in Fairfax offering DSL and fiber internet service. Users have been getting 225 Mbps for download speeds and 159 Mbps for upload speeds over 142 recent tests.

Performance Breakdown

AT&T has the 2nd fastest average download speed, the fastest average upload speed, and the 2nd lowest latency out of all of the providers in Fairfax. 24% of users saw download speeds faster than 500 Mbps, and 40% of users saw upload speeds faster than 250 Mbps.

Download Speeds

Upload Speeds

Recent Speed Tests

DateDownload SpeedUpload SpeedLatency
November 7, 202278 Mbps7 Mbps23 ms
November 7, 20227 Mbps1 Mbps30 ms
November 6, 2022118 Mbps110 Mbps8 ms
November 3, 2022548 Mbps889 Mbps2 ms

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Frequently Asked Questions

What internet providers are available in Fairfax, CA?

Xfinity and AT&T currently operate in Fairfax.

What is the most popular internet provider in Fairfax, CA?

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

What is the fastest internet provider in Fairfax, 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 Fairfax are getting, Xfinity provides the fastest download and upload speeds.

Is there fiber internet in Fairfax, CA?

AT&T provides fiber internet in Fairfax.