CenturyLink Speed Test

Real average speeds in United States based on 133 verified measurements.

Good

Avg Download

180

Mbps

Avg Upload

104

Mbps

Avg Ping

52

ms

Measurements

133

real users

Test your CenturyLink speed

Compare your connection to the CenturyLink average and contribute to the index.

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CenturyLink vs Other United States ISPs

How CenturyLink compares to competing ISPs in United States.

Frontier 120 tests
Avg Download 454 Mbps +274 Mbps faster Compare →
Optimum 91 tests
Avg Download 386 Mbps +206 Mbps faster Compare →
Google Fiber 76 tests
Avg Download 370 Mbps +190 Mbps faster Compare →
Xfinity (Comcast) 901 tests
Avg Download 353 Mbps +173 Mbps faster Compare →
Cox 217 tests
Avg Download 335 Mbps +155 Mbps faster Compare →

About CenturyLink Speed Test Data

The average CenturyLink download speed is 180 Mbps, based on 133 real speed tests run by CenturyLink customers. The fastest recorded speed was 989 Mbps, and the best ping was 11 ms.

Speeds vary widely based on your specific plan, location, time of day, and whether you're connected via ethernet or Wi-Fi. If your result is significantly below the average, try restarting your router, switching to ethernet, or contact CenturyLink support.

These statistics are updated continuously as CenturyLink customers run speed tests on InternetSpeedTest.net. Click "Run Speed Test" to measure your CenturyLink connection and contribute to the data.