CenturyLink Speed Test

Real average speeds in United States based on 212 verified measurements.

Fast

Avg Download

261

Mbps

Avg Upload

151

Mbps

Avg Ping

44

ms

Measurements

212

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.

Google Fiber 147 tests
Avg Download 489 Mbps +228 Mbps faster Compare →
Frontier 181 tests
Avg Download 415 Mbps +154 Mbps faster Compare →
Optimum 223 tests
Avg Download 393 Mbps +132 Mbps faster Compare →
Xfinity (Comcast) 1,909 tests
Avg Download 356 Mbps +95 Mbps faster Compare →
Cox 403 tests
Avg Download 353 Mbps +92 Mbps faster Compare →

About CenturyLink Speed Test Data

The average CenturyLink download speed is 261 Mbps, based on 212 real speed tests run by CenturyLink customers. The fastest recorded speed was 2236 Mbps, and the best ping was 4 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.