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San Anselmo
Cell coverage comparison in San Anselmo, California
Based on crowdsourced speed tests and signal measurements in San Anselmo, California, the current snapshot reflects 38 speed tests and shows medians of 36.0 Mbps download, 3.0 Mbps upload, and 37 ms latency.
Performance by Carrier in San Anselmo
Explore median download speeds, upload performance, and network latency for each major mobile carrier in San Anselmo, 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.
DownDownload9.6 Mbps
UpUpload1.0 Mbps
Reliab.Reliability4.2 / 10
Cov.Coverage100.0%
Less than 10 tests conducted
DownDownload2.0 Mbps
UpUpload0.1 Mbps
Reliab.Reliability3.3 / 10
Cov.Coverage100.0%
15 tests conducted
DownDownload418.8 Mbps
UpUpload41.9 Mbps
Reliab.Reliability10.0 / 10
Cov.Coverage100.0%
14 tests conducted
Performance by Carrier shows side-by-side results for the primary mobile providers measured in San Anselmo. Each row reflects download, upload, latency, and reliability for that carrier.
Providers included in this comparison are Verizon, T-Mobile, AT&T. Per-carrier test counts are shown in the table to indicate data accuracy.
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Network Performance in San Anselmo
Get a complete view of mobile network performance across San Anselmo with overall benchmarks and carrier-by-carrier breakdowns. Explore median performance metrics calculated from millions of real-world, crowdsourced speed tests. Start with the San Anselmo-wide snapshot to understand overall network trends, then dive deeper to compare individual carriers side-by-side and see how each performs in speed, responsiveness, and availability.
Median Performance
Download
36.0Mbps
Upload
3.0Mbps
Latency
37ms
Reliability
5.0/ 10
Top Performers
Best Download: Verizon
418.8 Mbps
Best Upload: Verizon
41.9 Mbps
Best Latency: Verizon
33 ms
Best Reliability: Verizon
10.0 / 10
Best Coverage: Verizon
100.0%
Coverage Snapshot
5G100.0%
4G LTE100.0%
Based on 38 speed tests
Network Performance aggregates all measured carriers in San Anselmo 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 38 tests. Current medians are 36.0 Mbps download, 3.0 Mbps upload, and 37 ms latency.
Cell Phone Plans for San Anselmo
Compare wireless plans from carriers with coverage in this area.
Recommended PlanSponsored
Mint Mobile 5GB Annual
$15/mo
12 month term
T-Mobile
- 5 GB Datahigh-speed, then 128Kbps
- Hotspot Included
- Unlimited Minutes
- Unlimited Texts
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US Mobile 5GB
$15/mo
Monthly plan
AT&T
T-Mobile
Verizon
- 5 GB Datahigh-speed, then data stops
- Hotspot Included
- Unlimited Minutes
- Unlimited Texts
- Taxes & Fees Included
Recommended PlanSponsored
US Mobile Unlimited Starter Dark Star
$25/mo
Monthly plan
AT&T
- Unlimited Datahigh-speed
- 20 GB Hotspot
- Unlimited Minutes
- Unlimited Texts
- Taxes & Fees Included
Recommended PlanSponsored
Visible Base
$25/mo
Monthly plan
Verizon
- Unlimited Datahigh-speed
- Unlimited Hotspot
- Unlimited Minutes
- Unlimited Texts
- Taxes & Fees Included
Recommended PlanSponsored
Mint Mobile Unlimited Annual
$30/mo
12 month term
T-Mobile
- Unlimited Datahigh-speed
- 20 GB Hotspot
- Unlimited Minutes
- Unlimited Texts
Limited-time offer
$15/mo first year
Recommended PlanSponsored
Visible+
$35/mo
Monthly plan
Verizon
- Unlimited Datahigh-speed
- Unlimited Hotspot
- Unlimited Minutes
- Unlimited Texts
- Taxes & Fees Included
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Cell Coverage in San Anselmo: FAQ
What is the best cell phone carrier in San Anselmo?
Based on crowdsourced speed tests in San Anselmo, 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 San Anselmo?
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 San Anselmo. 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 San Anselmo?
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 San Anselmo?
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