Internet Speeds in Phoenix, AZ

In Phoenix there are 2 internet service providers, with Cox Communications being the most popular. Cox Communications offers cable and fiber internet service. In recent tests, Cox Communications customers had an average download speed of 134 Mbps and an average upload speed of 11 Mbps. In addition to Cox Communications, DSL and fiber internet service is also available from CenturyLink.

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 February 3, 2023
ProviderDownload SpeedUpload SpeedLatency
Cox Communications
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134 Mbps11 Mbps17 ms
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45 Mbps8 Mbps23 ms
* Data from speed tests taken in the last 3 months

Internet Providers in Phoenix, AZ

Cox Communications


Download Speed


Upload Speed





Cox Communications is the most popular provider in Phoenix offering cable and fiber internet service. Users have been getting 134 Mbps for download speeds and 11 Mbps for upload speeds over 228,502 recent tests.

Performance Breakdown

Cox Communications has the fastest average download speed, the fastest average upload speed, and the lowest latency out of all of the providers in Phoenix. 27% of users saw download speeds between 100-250 Mbps, and 36% of users saw upload speeds between 10-25 Mbps.

Download Speeds

Upload Speeds

Recent Cox Communications Speed Tests in Phoenix

DateDownload SpeedUpload SpeedLatency
February 2, 202352 Mbps11 Mbps18 ms
February 2, 2023117 Mbps5 Mbps15 ms
February 2, 2023565 Mbps10 Mbps19 ms
February 2, 2023257 Mbps6 Mbps25 ms
February 2, 202352 Mbps11 Mbps21 ms
February 2, 202397 Mbps24 Mbps25 ms
February 2, 202390 Mbps21 Mbpsn/a ms
February 2, 202353 Mbps11 Mbps19 ms
February 2, 2023178 Mbps2 Mbps13 ms
February 2, 2023738 Mbps712 Mbpsn/a ms

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Frequently Asked Questions

What internet providers are available in Phoenix, AZ?

Cox Communications and CenturyLink currently operate in Phoenix.

What is the most popular internet provider in Phoenix, AZ?

Cox Communications is currently the most popular internet provider in Phoenix based on the number of speed tests in the last 3 months.

What is the fastest internet provider in Phoenix, AZ?

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 Phoenix are getting, Cox Communications provides the fastest download speeds and Cox Communications provides the fastest upload speeds.

Is there fiber internet in Phoenix, AZ?

Cox Communications and CenturyLink provide fiber internet in Phoenix.