Cell Coverage in Marietta, South Dakota
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Not enough data for Marietta
Showing performance data for Grant instead. We need at least 25 speed tests in Marietta to generate local metrics.
Performance by Carrier in Grant
Compare real-world download speeds, upload performance, and latency for major carriers in Grant — based on millions of crowdsourced speed tests to help you find the fastest, most reliable network.
Less than 10 tests conducted
98 tests conducted
50 tests conducted
These results compare 3 mobile carriers measured in Grant — AT&T, T-Mobile, Verizon — 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.
AT&T delivers the fastest median download at 51.1 Mbps, making it the top performer for raw download throughput. T-Mobile ranks highest for reliability with a score of 7.9/10, reflecting consistent connection quality across tests.
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Network Performance
Based on crowdsourced speed tests and signal measurements in Marietta, South Dakota using data from Grant, 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
Upload
Latency
Reliability
Top Performers
Best Download: AT&T
51.1 Mbps
Best Upload: Verizon
3.5 Mbps
Best Latency: Verizon
63 ms
Best Reliability: T-Mobile
7.9 / 10
Network Performance aggregates all measured carriers in Grant to provide a baseline view of typical speeds and latency in the area. Use these medians as a quick indicator of overall network quality.
Local testing in Marietta is limited, so these medians are based on data from Grant. Current medians are 15.2 Mbps download, 3.3 Mbps upload, and 66 ms latency.
Cell Coverage in Marietta: FAQ
What is the best cell phone carrier in Marietta?
Why might this page show limited data for Marietta?
What is the reliability score?
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How can I contribute coverage data for Marietta?
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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