CoverageMap

Sidney

Cell coverage comparison in Sidney, Montana

US

Based on crowdsourced speed tests and signal measurements in Sidney, Montana, the current snapshot reflects 90 speed tests and shows medians of 86.4 Mbps download, 8.5 Mbps upload, and 76 ms latency.

Performance by Carrier in Sidney

Explore median download speeds, upload performance, and network latency for each major mobile carrier in Sidney, 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
60.6Mbps
Up
11.3Mbps
Reliab.
8.6/ 10
Cov.
94.1%

29 tests conducted

View CarrierSee Plans
T-Mobile logo
Down
36.0Mbps
Up
3.8Mbps
Reliab.
5.7/ 10
Cov.
97.5%

Less than 10 tests conducted

View CarrierSee Plans
Verizon logo
Down
153.4Mbps
Up
8.1Mbps
Reliab.
10.0/ 10
Cov.
94.3%

60 tests conducted

View CarrierSee Plans

Performance by Carrier shows side-by-side results for the primary mobile providers measured in Sidney. 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

Get the 5GB plan for $10/mo for your first 3 months

Regular price $25/month for 3 months

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Get Visible+ for $30/mo with code 5OFF5

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Network Performance

Get a complete view of mobile performance across Sidney with overall benchmarks and carrier-by-carrier breakdowns. Explore median performance metrics calculated from millions of real-world, crowdsourced speed tests. Start with the Sidney-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

86.4Mbps

Upload

8.5Mbps

Latency

76ms

Reliability

8.8/ 10

Top Performers

Best Download: Verizon

153.4 Mbps

Best Upload: AT&T

11.3 Mbps

Best Latency: Verizon

68 ms

Best Reliability: Verizon

10.0 / 10

Best Coverage: T-Mobile

97.5%

Coverage Snapshot

5G83.8%
4G LTE97.5%
Based on 90 speed tests

Network Performance aggregates all measured carriers in Sidney 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 90 tests. Current medians are 86.4 Mbps download, 8.5 Mbps upload, and 76 ms latency.

Promoted Offers

Mint Mobile

Get the 5GB plan for $10/mo for your first 3 months

Regular price $25/month for 3 months

See Deal
Visible

Get Visible+ for $30/mo with code 5OFF5

Get $5 off for up to 5 years. New customers only.

See Deal

Cell Phone Plans for Sidney

Compare wireless plans from carriers with coverage in this area.

Recommended PlanSponsored

Mint Mobile 5GB Annual

12 month term

T-Mobile
$15/mo
5 GB Data
Hotspot Included
Unlimited min
Unlimited texts
View Plan
Recommended PlanSponsored

US Mobile 5GB

Monthly plan

AT&T
T-Mobile
Verizon
$15/mo
5 GB Data
Hotspot Included
Unlimited min
Unlimited texts
Taxes & fees included
View Plan
Recommended PlanSponsored

US Mobile Unlimited Starter Dark Star

Monthly plan

AT&T
$25/mo
Unlimited Data
20 GB Hotspot
Unlimited min
Unlimited texts
Taxes & fees included
View Plan
Recommended PlanSponsored

Visible Base

Monthly plan

Verizon
$25/mo
Unlimited Data
Unlimited Hotspot
Unlimited min
Unlimited texts
Taxes & fees included
View Plan
Recommended PlanSponsored

Mint Mobile Unlimited Annual

12 month term

T-Mobile
$30/mo
Unlimited Data
20 GB Hotspot
Unlimited min
Unlimited texts
Limited-time offer

$15/mo first year

View Plan
Recommended PlanSponsored

Visible+

Monthly plan

Verizon
$35/mo
Unlimited Data
Unlimited Hotspot
Unlimited min
Unlimited texts
Taxes & fees included
Limited-time offer

$30/mo for 5 years with code 5OFF5

View Plan

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Cell Coverage in Sidney: FAQ

What is the best cell phone carrier in Sidney?

Based on crowdsourced speed tests in Sidney, Verizon 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 Sidney?

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 Sidney. 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 Sidney?

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 Sidney?

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 Sidney on our interactive map.

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

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