CoverageMap

Cell Coverage in Connecticut

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Mint Mobile

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New customers only

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Klarna Mobile

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

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Performance by Carrier in Connecticut

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

AT&T logo
Down
88.2Mbps
Up
9.2Mbps
Reliab.
8.5/ 10
Cov.
98.6%

Over 16,000 tests conducted

T-Mobile logo
Down
168.8Mbps
Up
8.8Mbps
Reliab.
7.2/ 10
Cov.
95.0%

Over 120,000 tests conducted

Verizon logo
Down
95.8Mbps
Up
8.4Mbps
Reliab.
7.3/ 10
Cov.
97.3%

Over 85,000 tests conducted

These results compare 3 mobile carriers measured in ConnecticutAT&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.

T-Mobile delivers the fastest median download at 168.8 Mbps, making it the top performer for raw download throughput. AT&T leads in coverage, reaching 98.6% of the area based on FCC data. AT&T ranks highest for reliability with a score of 8.5/10, reflecting consistent connection quality across tests.

Promoted Offers

Mint Mobile

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Network Performance

Based on crowdsourced speed tests and signal measurements in Connecticut, United States, get a complete view of mobile network performance with both 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

122.3Mbps

Upload

8.7Mbps

Latency

38ms

Reliability

7.3/ 10

Top Performers

Best Download: T-Mobile

168.8 Mbps

Best Upload: AT&T

9.2 Mbps

Best Latency: T-Mobile

36 ms

Best Reliability: AT&T

8.5 / 10

Best Coverage: AT&T

98.6%

Coverage Snapshot

5G89.6%
4G LTE99.2%
Based on over 230,000 speed tests

Network Performance aggregates all measured carriers in Connecticut 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 230,000 tests. Current medians are 122.3 Mbps download, 8.7 Mbps upload, and 38 ms latency.

Promoted Offers

Mint Mobile

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

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Klarna Mobile

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

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Cell Phone Plans Available in Connecticut

Compare wireless plans from carriers with coverage in this region.

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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Browse by Counties

Select one of the counties to view coverage data for that area.

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 Connecticut: FAQ

What is the best cell phone carrier in Connecticut?

Based on crowdsourced speed tests in Connecticut, 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 Connecticut?

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 Connecticut. 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 Connecticut?

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 Connecticut?

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