CoverageMap

Cell Coverage in Marion, Iowa

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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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Performance by Carrier in Marion

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

AT&T logo
Down
92.9Mbps
Up
16.3Mbps
Reliab.
8.5/ 10
Cov.
100.0%

Over 400 tests conducted

T-Mobile logo
Down
113.0Mbps
Up
9.4Mbps
Reliab.
9.0/ 10
Cov.
100.0%

Over 500 tests conducted

Verizon logo
Down
131.6Mbps
Up
27.1Mbps
Reliab.
10.0/ 10
Cov.
100.0%

Over 600 tests conducted

These results compare 3 mobile carriers measured in MarionAT&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.

Verizon delivers the fastest median download at 131.6 Mbps, making it the top performer for raw download throughput. AT&T leads in coverage, reaching 100.0% of the area based on FCC data. Verizon ranks highest for reliability with a score of 10.0/10, 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 Marion, Iowa, 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

118.1Mbps

Upload

16.3Mbps

Latency

52ms

Reliability

9.5/ 10

Top Performers

Best Download: Verizon

131.6 Mbps

Best Upload: Verizon

27.1 Mbps

Best Latency: T-Mobile

49 ms

Best Reliability: Verizon

10.0 / 10

Best Coverage: AT&T

100.0%

Coverage Snapshot

5G100.0%
4G LTE100.0%
Based on over 1,800 speed tests

Network Performance aggregates all measured carriers in Marion 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 1,800 tests. Current medians are 118.1 Mbps download, 16.3 Mbps upload, and 52 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 Phone Plans for Marion

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
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
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
Recommended PlanSponsored

Visible Base

Monthly plan

Verizon
$25/mo
Unlimited Data
Unlimited Hotspot
Unlimited min
Unlimited texts
Taxes & fees included
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

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

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Cell Coverage in Marion: FAQ

What is the best cell phone carrier in Marion?

Based on crowdsourced speed tests in Marion, 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 Marion?

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 Marion. 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 Marion?

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 Marion?

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