CenturyLink Internet Speed Test
Test your Centurylink internet speed in United States
Test your Centurylink internet speed in United States. This free speed test accurately measures your download speed, upload speed, and latency for your Centurylink connection.
About Centurylink
Centurylink is an internet service provider offering various connection types operating in US. The company offers mobile and fiber services using 4G, 5G, Fiber, providing reliable internet connectivity to residential and business customers across the region.
Centurylink Speed Test FAQ
How fast is Centurylink internet?
Speeds vary by plan and location. Run a speed test to check your actual Centurylink connection speed and compare it with advertised speeds.
How do I test my Centurylink speed?
Click Start Test above to measure your Centurylink download speed, upload speed, and ping latency. The test takes about 30 seconds to complete.
Why is my Centurylink internet slow?
Common causes include network congestion, WiFi interference, or distance from the router. Try testing with a wired ethernet connection for the most accurate results.