Cell Coverage in Mill Valley, California

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Mint Mobile

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Get unlimited data on Verizon for $25/month.

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Performance by Carrier in Mill Valley

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

AT&T logo
Down
92.3Mbps
Up
4.4Mbps
Reliab.
8.6/ 10
Cov.
94.0%

Over 100 tests conducted

T-Mobile logo
Down
70.9Mbps
Up
5.7Mbps
Reliab.
8.1/ 10
Cov.
63.4%

Over 100 tests conducted

Verizon logo
Down
102.3Mbps
Up
5.9Mbps
Reliab.
7.0/ 10
Cov.
100.0%

Over 200 tests conducted

These results compare 3 mobile carriers measured in Mill ValleyAT&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.

Verizon delivers the fastest median download at 102.3 Mbps, making it the top performer for raw download throughput. Verizon leads in coverage, reaching 100.0% of the area based on FCC data. AT&T ranks highest for reliability with a score of 8.6/10, reflecting consistent connection quality across tests.

Promoted Offers

Mint Mobile

Get unlimited data for $25/month for your first 3 months

New customers only

See Deal
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Get unlimited data on Verizon for $25/month.

Or as low as $22.92/mo with the annual plan.

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Network Performance

Based on crowdsourced speed tests and signal measurements in Mill Valley, California, 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

90.6Mbps

Upload

5.3Mbps

Latency

35ms

Reliability

7.0/ 10

Top Performers

Best Download: Verizon

102.3 Mbps

Best Upload: Verizon

5.9 Mbps

Best Latency: AT&T

30 ms

Best Reliability: AT&T

8.6 / 10

Best Coverage: Verizon

100.0%

Coverage Snapshot

5G73.1%
4G LTE100.0%
Based on over 500 speed tests

Network Performance aggregates all measured carriers in Mill Valley 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 500 tests. Current medians are 90.6 Mbps download, 5.3 Mbps upload, and 35 ms latency.

Promoted Offers

Mint Mobile

Get unlimited data for $25/month for your first 3 months

New customers only

See Deal
Visible

Get unlimited data on Verizon for $25/month.

Or as low as $22.92/mo with the annual plan.

See Deal

Cell Phone Plans for Mill Valley

Compare wireless plans from carriers with coverage in this area.

Recommended PlanSponsored

Mint Mobile 6GB Annual

12 month term

T-Mobile
$15/mo
6 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 Mill Valley: FAQ

What is the best cell phone carrier in Mill Valley?

Based on crowdsourced speed tests in Mill Valley, 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 Mill Valley?

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 Mill Valley. 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 Mill Valley?

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 Mill Valley?

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