CenturyLink Speed Test

Real average speeds in United States based on 139 verified measurements.

Good

Avg Download

179

Mbps

Avg Upload

107

Mbps

Avg Ping

51

ms

Measurements

139

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 135 tests
Avg Download 427 Mbps +248 Mbps faster Compare →
Optimum 104 tests
Avg Download 393 Mbps +214 Mbps faster Compare →
Google Fiber 77 tests
Avg Download 375 Mbps +196 Mbps faster Compare →
Xfinity (Comcast) 991 tests
Avg Download 360 Mbps +181 Mbps faster Compare →
Cox 240 tests
Avg Download 343 Mbps +164 Mbps faster Compare →

About CenturyLink Speed Test Data

The average CenturyLink download speed is 179 Mbps, based on 139 real speed tests run by CenturyLink customers. The fastest recorded speed was 989 Mbps, and the best ping was 9 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.