Internet Speeds in O'Fallon, MO

Residents of O'Fallon have 2 internet providers to choose from. The most popular provider is Spectrum, which offers cable internet service. Over 4,081 recent tests, our research shows that Spectrum customers have been getting 173 Mbps for download speeds and 11 Mbps for upload speeds. In addition to Spectrum, DSL and fiber internet service is also available from CenturyLink.

While these are the real speeds we have been seeing in recent tests, there are many factors that affect download and upload speeds, so your actual service may differ.

Last updated on January 22, 2023
ProviderDownload SpeedUpload SpeedLatency
View Details →
173 Mbps11 Mbps14 ms
View Details →
18 Mbps2 Mbps47 ms
* Data from speed tests taken in the last 3 months

Internet Providers in O'Fallon, MO



Download Speed


Upload Speed





Spectrum is the most popular provider in O'Fallon offering cable internet service. Users have been getting 173 Mbps for download speeds and 11 Mbps for upload speeds over 4,081 recent tests.

Performance Breakdown

Spectrum has the fastest average download speed, the fastest average upload speed, and the lowest latency out of all of the providers in O'Fallon. 34% of users saw download speeds between 250-500 Mbps, and 62% of users saw upload speeds between 10-25 Mbps.

Download Speeds

Upload Speeds

Recent Spectrum Speed Tests in O'Fallon

DateDownload SpeedUpload SpeedLatency
January 21, 2023163 Mbps18 Mbps18 ms
January 21, 202392 Mbps11 Mbps11 ms
January 21, 202374 Mbps5 Mbps11 ms
January 21, 202333 Mbps11 Mbps14 ms
January 21, 2023568 Mbps34 Mbps16 ms
January 21, 202392 Mbps9 Mbps8 ms
January 21, 2023357 Mbps11 Mbps13 ms
January 21, 2023543 Mbps16 Mbps11 ms
January 21, 202365 Mbps19 Mbps14 ms
January 20, 20231 Mbps1 Mbps20 ms

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Frequently Asked Questions

What internet providers are available in O'Fallon, MO?

Spectrum and CenturyLink currently operate in O'Fallon.

What is the most popular internet provider in O'Fallon, MO?

Spectrum is currently the most popular internet provider in O'Fallon based on the number of speed tests in the last 3 months.

What is the fastest internet provider in O'Fallon, MO?

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 O'Fallon are getting, Spectrum provides the fastest download speeds and Spectrum provides the fastest upload speeds.

Is there fiber internet in O'Fallon, MO?

CenturyLink provides fiber internet in O'Fallon.