Cell Coverage in Thornhill, Ontario

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Performance by Carrier in Thornhill

Compare real-world download speeds, upload performance, and latency for major carriers in Thornhill — based on millions of crowdsourced speed tests to help you find the fastest, most reliable network.

DownDownload

100.7Mbps

UpUpload

4.7Mbps

Reliab.Reliability

8.7/ 10

25 tests conducted

View Carrier

DownDownload

114.1Mbps

UpUpload

29.3Mbps

Reliab.Reliability

10.0/ 10

51 tests conducted

View Carrier

DownDownload

379.4Mbps

UpUpload

48.5Mbps

Reliab.Reliability

10.0/ 10

11 tests conducted

View Carrier

DownDownload

41.0Mbps

UpUpload

8.9Mbps

Reliab.Reliability

6.3/ 10

16 tests conducted

View Carrier

These results compare 4 mobile carriers measured in Thornhill — Telus, Vidéotron, Bell Mobility, Rogers — using median values calculated from crowdsourced speed tests. Each card shows download speed, upload speed, and reliability to give you a complete picture of real-world network performance.

Telus delivers the fastest median download at 379.4 Mbps, making it the top performer for raw download throughput. Telus ranks highest for reliability with a score of 10.0/10, reflecting consistent connection quality across tests.

Network Performance

Based on crowdsourced speed tests and signal measurements in Thornhill, Ontario, get a complete view of mobile performance with area-wide benchmarks and carrier-by-carrier breakdowns. Explore median performance metrics from real-world tests, then compare carriers side-by-side for speed, responsiveness, and availability.

Median Performance

Download

101.0Mbps

Upload

17.7Mbps

Latency

23ms

Reliability

7.0/ 10

Top Performers

Best Download: Telus

379.4 Mbps

Best Upload: Telus

48.5 Mbps

Best Latency: Bell Mobility

21 ms

Best Reliability: Telus

10.0 / 10

Based on over 100 speed tests

Network Performance aggregates all measured carriers in Thornhill to provide a baseline view of typical speeds and latency in the area. Use these medians as a quick indicator of overall network quality.

These medians are calculated from over 100 tests. Current medians are 101.0 Mbps download, 17.7 Mbps upload, and 23 ms latency.

Cell Coverage in Thornhill: FAQ

What is the best cell phone carrier in Thornhill?

Based on crowdsourced speed tests in Thornhill, Telus currently leads in median download speeds. Compare carriers in the performance table above for the latest results.

Why might this page show limited data for Thornhill?

We need at least 25 recent speed tests to generate reliable local metrics. If we don't have enough tests yet, the page focuses on maps and nearby locations while we keep collecting data.

What is the reliability score?

The reliability score summarizes how dependable mobile performance is in Thornhill. It uses a 0.0 to 10.0 scale (higher is better) and is calculated from real-world speed test percentiles with weighted components: download (50%), latency (30%), and upload (20%). It evaluates the lower-end experience using the bottom 10%, 5%, and 1% percentiles when enough samples are available. If local speed testing is limited, a coverage-based fallback is used from signal quality distribution (great/good/poor).

How can I check coverage at my specific address in Thornhill?

Use the interactive map to check signal strength at your exact address. Visit the CoverageMap interactive map to explore 4G/5G availability.

How can I contribute coverage data for Thornhill?

Download the CoverageMap app and run a few speed tests with location enabled. Your results help improve coverage accuracy and unlock local rankings faster.

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