Internet speed test

Cell Coverage in Grimsby, Ontario

Performance by Carrier in Grimsby

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

Bell Mobility logo
Down
181.8Mbps
Up
35.6Mbps
Reliab.
10.0/ 10

25 tests conducted

View Carrier
Rogers logo
Down
100.2Mbps
Up
25.2Mbps
Reliab.
10.0/ 10

51 tests conducted

View Carrier
Telus logo
Down
98.6Mbps
Up
23.8Mbps
Reliab.
10.0/ 10

88 tests conducted

View Carrier
Vidéotron logo
Down
44.2Mbps
Up
10.1Mbps
Reliab.
9.5/ 10

75 tests conducted

View Carrier

These results compare 4 mobile carriers measured in Grimsby — 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.

Bell Mobility delivers the fastest median download at 181.8 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.

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Network Performance

Based on crowdsourced speed tests and signal measurements in Grimsby, 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

78.4Mbps

Upload

19.5Mbps

Latency

37ms

Reliability

9.8/ 10

Top Performers

Best Download: Bell Mobility

181.8 Mbps

Best Upload: Bell Mobility

35.6 Mbps

Best Latency: Bell Mobility

24 ms

Best Reliability: Telus

10.0 / 10

Based on over 200 speed tests

Network Performance aggregates all measured carriers in Grimsby 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 200 tests. Current medians are 78.4 Mbps download, 19.5 Mbps upload, and 37 ms latency.

Promoted Offers

Mint Mobile

Get unlimited data for $25/month for your first 3 months

New customers only

See Deal
Visible

Get unlimited data on Verizon for $25/month.

Or as low as $22.92/mo with the annual plan.

See Deal

Cell Coverage in Grimsby: FAQ

What is the best cell phone carrier in Grimsby?

Based on crowdsourced speed tests in Grimsby, Bell Mobility 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 Grimsby?

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 Grimsby. 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 Grimsby?

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 Grimsby?

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

Get the app