Residents of Columbia have 4 internet providers to choose from. The most popular provider is AT&T, which offers DSL, fiber and fixed wireless internet service. Over 144 recent tests, our research shows that AT&T customers have been getting 41 Mbps for download speeds and 9 Mbps for upload speeds. Besides AT&T, residents of Columbia may be able to choose from Sparklight, Uniti Fiber and Xfinity which offer cable, DSL, fiber and fixed wireless internet service.
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.
| Provider | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| AT&T DSL Fiber Fixed Wireless | 41 Mbps | 9 Mbps | 69 ms |
| Sparklight Cable | 45 Mbps | 19 Mbps | 21 ms |
| Uniti Fiber DSL Fiber Fixed Wireless | 1 Mbps | 92 Mbps | 13 ms |
| Xfinity Cable | 12 Mbps | 7 Mbps | 32 ms |
| * Data from speed tests taken in the last 3 months | |||
AT&T is the most popular provider in Columbia offering DSL, fiber and fixed wireless internet service. Users have been getting 41 Mbps for download speeds and 9 Mbps for upload speeds over 144 recent tests.
AT&T has the 2nd fastest average download speed, the 3rd fastest average upload speed, and the 4th lowest latency out of all of the providers in Columbia. 29% of users saw download speeds between 25-50 Mbps, and 45% of users saw upload speeds slower than 5 Mbps.
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Sparklight is the 2nd most popular provider in Columbia offering cable internet service. Users have been getting 45 Mbps for download speeds and 19 Mbps for upload speeds over 49 recent tests.
Sparklight has the fastest average download speed, the 2nd fastest average upload speed, and the 2nd lowest latency out of all of the providers in Columbia. 59% of users saw download speeds between 25-50 Mbps, and 77% of users saw upload speeds between 10-25 Mbps.
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| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 14, 2024 | 129 Mbps | 45 Mbps | 30 ms |
Uniti Fiber is the 3rd most popular provider in Columbia offering DSL, fiber and fixed wireless internet service. Users have been getting 1 Mbps for download speeds and 92 Mbps for upload speeds over 2 recent tests.
Uniti Fiber has the 4th fastest average download speed, the fastest average upload speed, and the lowest latency out of all of the providers in Columbia. 50% of users saw download speeds between 50-100 Mbps, and 100% of users saw upload speeds between 50-100 Mbps.
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Xfinity is the 4th most popular provider in Columbia offering cable internet service. Users have been getting 12 Mbps for download speeds and 7 Mbps for upload speeds over 1 recent tests.
Xfinity has the 3rd fastest average download speed, the 4th fastest average upload speed, and the 3rd lowest latency out of all of the providers in Columbia. 100% of users saw download speeds between 10-25 Mbps, and 100% of users saw upload speeds between 5-10 Mbps.
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We’ll run a download test and an upload test to give you the full picture of your internet connection.