CoverageMap

Sun

Cell coverage comparison in Sun, Louisiana

US

Based on crowdsourced speed tests and signal measurements in Sun, Louisiana using data from Saint Tammany, the current snapshot reflects over 3,200 speed tests and shows medians of 226.8 Mbps download, 12.9 Mbps upload, and 50 ms latency.

Not enough data for Sun

Showing performance data for Saint Tammany instead. We need at least 25 speed tests in Sun to generate local metrics.

Performance by Carrier in Saint Tammany

Explore median download speeds, upload performance, and network latency for each major mobile carrier in Saint Tammany, calculated from millions of real-world, crowdsourced speed tests. These results reflect typical everyday performance to help you compare carriers and choose the network that delivers the fastest speeds, most responsive connections, and broadest coverage where you live, work, and travel.

AT&T logo
Down
123.3Mbps
Up
8.8Mbps
Reliab.
8.6/ 10

Over 500 tests conducted

View Carrier
T-Mobile logo
Down
444.5Mbps
Up
16.3Mbps
Reliab.
8.6/ 10

Over 1,100 tests conducted

View Carrier
Verizon logo
Down
192.8Mbps
Up
12.5Mbps
Reliab.
8.5/ 10

Over 1,500 tests conducted

View Carrier

Performance by Carrier shows side-by-side results for the primary mobile providers measured in Saint Tammany. Each row reflects download, upload, latency, and reliability for that carrier.

Providers included in this comparison are AT&T, T-Mobile, Verizon. Per-carrier test counts are shown in the table to indicate data accuracy.

Promoted Offers

Mint Mobile

$500 off Galaxy S26 series, plus 1 year of unlimited for $15/mo

New customers only

See Deal
Visible

Join Visible and get unlimited data for only $20/mo

Use code FRESHSTART to save $5 off any Visible plan

See Deal

Network Performance

Get a complete view of mobile performance across Saint Tammany with overall benchmarks and carrier-by-carrier breakdowns. Explore median performance metrics calculated from millions of real-world, crowdsourced speed tests. Start with the Saint Tammany-wide snapshot to understand overall trends, then dive deeper to compare individual carriers side-by-side and see how each performs in speed, responsiveness, and availability.

Median Performance

Download

226.8Mbps

Upload

12.9Mbps

Latency

50ms

Reliability

8.6/ 10

Top Performers

Best Download: T-Mobile

444.5 Mbps

Best Upload: T-Mobile

16.3 Mbps

Best Latency: AT&T

41 ms

Best Reliability: AT&T

8.6 / 10

Based on over 3,200 speed tests

Network Performance aggregates all measured carriers in Saint Tammany 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 Sun is limited, so these medians are based on data from Saint Tammany. Current medians are 226.8 Mbps download, 12.9 Mbps upload, and 50 ms latency.

Promoted Offers

Mint Mobile

$500 off Galaxy S26 series, plus 1 year of unlimited for $15/mo

New customers only

See Deal
Visible

Join Visible and get unlimited data for only $20/mo

Use code FRESHSTART to save $5 off any Visible plan

See Deal

Cell Coverage in Sun: FAQ

What is the best cell phone carrier in Sun?

Based on crowdsourced speed tests in Saint Tammany, T-Mobile 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 Sun?

We need at least 25 recent speed tests to generate reliable local metrics. Until we reach that threshold in Sun, we show performance data for Saint Tammany when it is available.

What is the reliability score?

The reliability score summarizes how dependable mobile performance is in Saint Tammany. 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 Sun?

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 Sun?

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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View Interactive Map

Explore detailed coverage data for Sun on our interactive map.

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Test coverage at your location and contribute to our crowdsourced data.

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