Cell Coverage in Sun, Louisiana

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Mint Mobile

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

New customers only

See Deal
Klarna Mobile

Get a Klarna Mobile phone plan with priority 5G on AT&T.

Bring your number to get your first month free

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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

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

AT&T logo
Down
123.3Mbps
Up
9.0Mbps
Reliab.
8.6/ 10

Over 500 tests conducted

T-Mobile logo
Down
455.3Mbps
Up
16.5Mbps
Reliab.
8.6/ 10

Over 1,100 tests conducted

Verizon logo
Down
192.2Mbps
Up
12.5Mbps
Reliab.
8.5/ 10

Over 1,500 tests conducted

These results compare 3 mobile carriers measured in Saint TammanyAT&T, Verizon, T-Mobile — 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.

T-Mobile delivers the fastest median download at 455.3 Mbps, making it the top performer for raw download throughput. AT&T ranks highest for reliability with a score of 8.6/10, reflecting consistent connection quality across tests.

Promoted Offers

Mint Mobile

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

New customers only

See Deal
Klarna Mobile

Get a Klarna Mobile phone plan with priority 5G on AT&T.

Bring your number to get your first month free

See Deal

Network Performance

Based on crowdsourced speed tests and signal measurements in Sun, Louisiana using data from Saint Tammany, 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

229.6Mbps

Upload

13.0Mbps

Latency

50ms

Reliability

8.6/ 10

Top Performers

Best Download: T-Mobile

455.3 Mbps

Best Upload: T-Mobile

16.5 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 229.6 Mbps download, 13.0 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
Klarna Mobile

Get a Klarna Mobile phone plan with priority 5G on AT&T.

Bring your number to get your first month free

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.

Get the app