RealSpeeds

Internet Speeds in Castle Rock, CO

Castle Rock residents have 3 internet providers to choose from. Xfinity is the most popular provider, offering cable and fiber internet service. In our research, we have been seeing 177 Mbps for download speeds and 18 Mbps for upload speeds for Xfinity customers over 18,134 recent tests. Kellin Communications and CenturyLink also have coverage in Castle Rock, although they are not as popular as Xfinity. These providers offer fixed wireless, DSL and fiber internet service.

See more detailed speed and coverage data below.

Last updated on September 22, 2022
ProviderDownload SpeedUpload SpeedLatency
Xfinity
Cable
Fiber
View Details →
177 Mbps18 Mbps7 ms
Kellin Communications
Fixed Wireless
View Details →
23 Mbps7 Mbpsn/a ms
CenturyLink
DSL
Fiber
View Details →
60 Mbps19 Mbps4 ms
* Data from speed tests taken in the last 3 months

Internet Providers in Castle Rock, CO

Xfinity

Cable
Fiber

Download Speed

177Mbps

Upload Speed

18Mbps

Latency

7ms

Overview

Xfinity is the most popular provider in Castle Rock offering cable and fiber internet service. Users have been getting 177 Mbps for download speeds and 18 Mbps for upload speeds over 18,134 recent tests.

Speed Breakdown

Xfinity has the fastest average download speeds and the 2nd fastest average upload speeds out of all of the providers in Castle Rock. 27% 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 Speed Tests

DateDownload SpeedUpload SpeedLatency
September 20, 2022125 Mbps12 Mbps7 ms
September 20, 2022357 Mbps1 Mbps7 ms
September 20, 2022311 Mbps12 Mbpsn/a ms
September 20, 202252 Mbps38 Mbps9 ms
September 20, 2022316 Mbps23 Mbps6 ms
September 20, 2022245 Mbps34 Mbpsn/a ms
September 20, 2022503 Mbps41 Mbpsn/a ms
September 20, 2022120 Mbps24 Mbps6 ms
September 20, 2022191 Mbps41 Mbpsn/a ms
September 20, 2022327 Mbps42 Mbps6 ms

Kellin Communications

Fixed Wireless

Download Speed

23Mbps

Upload Speed

7Mbps

Latency

n/ams

Overview

Kellin Communications is the 2nd most popular provider in Castle Rock offering fixed wireless internet service. Users have been getting 23 Mbps for download speeds and 7 Mbps for upload speeds over 888 recent tests.

Speed Breakdown

Kellin Communications has the 3rd fastest average download speeds and the 3rd fastest average upload speeds out of all of the providers in Castle Rock. 54% of users saw download speeds between 10-25 Mbps, and 66% of users saw upload speeds between 5-10 Mbps.

Download Speeds

Upload Speeds

Recent Speed Tests

DateDownload SpeedUpload SpeedLatency
September 20, 202214 Mbps5 Mbpsn/a ms
September 20, 202237 Mbps10 Mbps51 ms
September 20, 202237 Mbps9 Mbps7 ms
September 20, 20225 Mbps9 Mbps15 ms
September 20, 20226 Mbps1 Mbps53 ms
September 19, 202214 Mbps5 Mbpsn/a ms
September 19, 20222 Mbps6 Mbps49 ms
September 19, 202237 Mbps9 Mbpsn/a ms
September 18, 202214 Mbps5 Mbpsn/a ms
September 18, 202214 Mbps5 Mbpsn/a ms

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Frequently Asked Questions

What internet providers are available in Castle Rock, CO?

Xfinity, Kellin Communications and CenturyLink 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 and upload speeds.

Is there fiber internet in Castle Rock, CO?

CenturyLink and Xfinity provide fiber internet in Castle Rock.