CenturyLink Speed Test

Real average speeds in United States based on 197 verified measurements.

Fast

Avg Download

251

Mbps

Avg Upload

152

Mbps

Avg Ping

46

ms

Measurements

197

real users

Test your CenturyLink speed

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

Run Speed Test

CenturyLink vs Other United States ISPs

How CenturyLink compares to competing ISPs in United States.

Google Fiber 140 tests
Avg Download 476 Mbps +225 Mbps faster Compare →
Frontier 181 tests
Avg Download 415 Mbps +164 Mbps faster Compare →
Optimum 207 tests
Avg Download 384 Mbps +133 Mbps faster Compare →
Xfinity (Comcast) 1,766 tests
Avg Download 361 Mbps +110 Mbps faster Compare →
Cox 377 tests
Avg Download 349 Mbps +98 Mbps faster Compare →

About CenturyLink Speed Test Data

The average CenturyLink download speed is 251 Mbps, based on 197 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.