RealSpeeds

Internet Speeds in Columbia, CA

Columbia residents have 2 internet providers to choose from. AT&T is the most popular provider, offering DSL and fixed wireless internet service. In our research, we have been seeing 34 Mbps for download speeds and 21 Mbps for upload speeds for AT&T customers over 14 recent tests. In addition to AT&T, cable internet service is also available from Xfinity.

See more detailed speed and coverage data below.

Last updated on May 12 2022
ProviderDownload SpeedUpload Speed
AT&T
DSL
Fixed Wireless
View Details →
34 Mbps21 Mbps
Xfinity
Cable
View Details →
106 Mbps10 Mbps
* Data from speed tests taken in the last 3 months

Internet Providers in Columbia, CA

AT&T

DSL
Fixed Wireless

Download Speed

34Mbps

Upload Speed

21Mbps

Overview

AT&T is the most popular provider in Columbia offering DSL and fixed wireless internet service. Users have been getting 34 Mbps for download speeds and 21 Mbps for upload speeds over 14 recent tests.

Speed Breakdown

AT&T has the 2nd fastest average download speeds and the fastest average upload speeds out of all of the providers in Columbia. 44% of users saw download speeds slower than 10 Mbps, and 38% of users saw upload speeds between 50-100 Mbps.

Download Speeds

Upload Speeds

Xfinity

Cable

Download Speed

106Mbps

Upload Speed

10Mbps

Overview

Xfinity is the 2nd most popular provider in Columbia offering cable internet service. Users have been getting 106 Mbps for download speeds and 10 Mbps for upload speeds over 10 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 Columbia. 57% of users saw download speeds between 100-250 Mbps, and 57% of users saw upload speeds between 10-25 Mbps.

Download Speeds

Upload Speeds

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Frequently Asked Questions

What internet providers are available in Columbia, CA?

AT&T and Xfinity currently operate in Columbia.

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

AT&T is currently the most popular internet provider in Columbia based on the number of speed tests in the last 3 months.

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