Internet Speeds in Castle Rock, CO

In Castle Rock there are 3 internet service providers, with Xfinity being the most popular. Xfinity offers cable and fiber internet service. In recent tests, Xfinity customers had an average download speed of 198 Mbps and an average upload speed of 23 Mbps. In addition to Xfinity, CenturyLink and Kellin Communications offer DSL, fiber and fixed wireless internet service.

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 June 18, 2024
ProviderDownload SpeedUpload SpeedLatency
Xfinity
Cable
Fiber
View Details →
198 Mbps23 Mbps7 ms
CenturyLink
DSL
Fiber
View Details →
47 Mbps14 Mbps10 ms
Kellin Communications
Fixed Wireless
View Details →
20 Mbps5 Mbps18 ms
* Data from speed tests taken in the last 3 months

Internet Providers in Castle Rock, CO

Xfinity

Cable
Fiber

Download Speed

198Mbps

Upload Speed

23Mbps

Latency

7ms

Overview

Xfinity is the most popular provider in Castle Rock offering cable and fiber internet service. Users have been getting 198 Mbps for download speeds and 23 Mbps for upload speeds over 20,083 recent tests.

Performance Breakdown

Xfinity has the fastest average download speed, the fastest average upload speed, and the lowest latency out of all of the providers in Castle Rock. 31% of users saw download speeds between 100-250 Mbps, and 48% of users saw upload speeds between 10-25 Mbps.

Download Speeds

Upload Speeds

Recent Xfinity Speed Tests in Castle Rock

DateDownload SpeedUpload SpeedLatency
June 17, 2024267 Mbps23 Mbps8 ms
June 17, 2024356 Mbps3 Mbps5 ms
June 17, 2024572 Mbps21 Mbps7 ms
June 17, 2024412 Mbps24 Mbps39 ms
June 17, 2024164 Mbps24 Mbps6 ms
June 17, 2024306 Mbps85 Mbps7 ms
June 17, 2024418 Mbps61 Mbps7 ms
June 17, 2024337 Mbps36 Mbps9 ms
June 17, 2024270 Mbps24 Mbps9 ms
June 17, 2024119 Mbps18 Mbps5 ms

Kellin Communications

Fixed Wireless

Download Speed

20Mbps

Upload Speed

5Mbps

Latency

18ms

Overview

Kellin Communications is the 3rd most popular provider in Castle Rock offering fixed wireless internet service. Users have been getting 20 Mbps for download speeds and 5 Mbps for upload speeds over 115 recent tests.

Performance Breakdown

Kellin Communications has the 3rd fastest average download speed, the 3rd fastest average upload speed, and the 3rd lowest latency out of all of the providers in Castle Rock. 56% of users saw download speeds between 10-25 Mbps, and 48% of users saw upload speeds slower than 5 Mbps.

Download Speeds

Upload Speeds

Recent Kellin Communications Speed Tests in Castle Rock

DateDownload SpeedUpload SpeedLatency
June 17, 202461 Mbps6 Mbps13 ms
June 13, 2024112 Mbps49 Mbps14 ms
June 12, 202414 Mbps5 Mbps10 ms
June 4, 202471 Mbps4 Mbps30 ms
June 4, 202414 Mbps5 Mbps5 ms
June 3, 202414 Mbps5 Mbps6 ms
June 1, 20242 Mbps6 Mbps34 ms
June 1, 20241 Mbps4 Mbps296 ms
June 1, 202414 Mbps5 Mbps20 ms
May 31, 202428 Mbps1 Mbps12 ms

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Frequently Asked Questions

What internet providers are available in Castle Rock, CO?

Xfinity, CenturyLink and Kellin Communications currently operate in Castle Rock.

What is the most popular internet provider in Castle Rock, CO?

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

What is the fastest internet provider in Castle Rock, CO?

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 Castle Rock are getting, Xfinity provides the fastest download speeds and Xfinity provides the fastest upload speeds.

Is there fiber internet in Castle Rock, CO?

Xfinity and CenturyLink provide fiber internet in Castle Rock.