CoverageMap

San Jose

Cell coverage comparison in San Jose, Illinois

US

Based on crowdsourced speed tests and signal measurements in San Jose, Illinois using data from Mason, the current snapshot reflects over 200 speed tests and shows medians of 15.7 Mbps download, 4.7 Mbps upload, and 56 ms latency.

Not enough data for San Jose

Showing performance data for Mason instead. We need at least 25 speed tests in San Jose to generate local metrics.

Performance by Carrier in Mason

Explore median download speeds, upload performance, and network latency for each major mobile carrier in Mason, 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
Download6.8 Mbps
Upload4.7 Mbps
Latency59 ms
Coverage100.0%

97 tests conducted

T-Mobile logo
Download44.7 Mbps
Upload4.7 Mbps
Latency52 ms
Coverage100.0%

Over 100 tests conducted

Verizon logo
Download28.5 Mbps
Upload8.4 Mbps
Latency71 ms
Coverage100.0%

Performance by Carrier shows side-by-side results for the primary mobile providers measured in Mason. Each row reflects median download, upload, and latency 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.

Network Performance in Mason

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

15.7Mbps

Upload

4.7Mbps

Latency

56ms

Top Performers

Fastest Download: T-Mobile

44.7 Mbps

Fastest Upload: Verizon

8.4 Mbps

Best Latency: T-Mobile

52 ms

Best Coverage: Verizon

100.0%

Coverage Snapshot

5G100.0%
4G LTE100.0%
Based on 11 speed tests

Network Performance aggregates all measured carriers in Mason to provide a baseline view of typical speeds and latency in the area. Use these medians as a quick indicator of overall network quality.

Local testing in San Jose is limited, so these medians are based on data from Mason. Current medians are 15.7 Mbps download, 4.7 Mbps upload, and 56 ms latency.

Cell Phone Plans for San Jose

Compare wireless plans from carriers with coverage in this area.

Red Pocket 500MB 12 Months

$5/mo

12 month term

AT&T
T-Mobile
Verizon
  • 0.5 GB Datahigh-speed, then Unknown
  • Hotspot Included
  • 500 Minutes
  • 500 Texts

US Mobile Light Plan Annual

$8/mo

12 month term

AT&T
T-Mobile
Verizon
  • 2 GB Datahigh-speed, then data stops
  • No Hotspot Included
  • Unlimited Minutes
  • Unlimited Texts
  • Taxes & Fees Included

TextNow Weekly Unlimited

$8.99/mo

Monthly plan

AT&T
  • 20 GB Datahigh-speed, then data stops
  • Hotspot Included
  • Unlimited Minutes
  • Unlimited Texts
  • Taxes & Fees Included

Red Pocket Essentials Annual

$9.17/mo

12 month term

AT&T
T-Mobile
Verizon
  • 3 GB Datahigh-speed, then 256Kbps
  • No Hotspot Included
  • Unlimited Minutes
  • Unlimited Texts

Red Pocket Essentials

$10/mo

Monthly plan

AT&T
T-Mobile
Verizon
  • 3 GB Datahigh-speed, then 256Kbps
  • No Hotspot Included
  • Unlimited Minutes
  • Unlimited Texts

Red Pocket Essentials (AT&T)

$10/mo

Monthly plan

AT&T
  • 3 GB Datahigh-speed, then 256Kbps
  • No Hotspot Included
  • Unlimited Minutes
  • Unlimited Texts

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Cell Coverage in San Jose: FAQ

What is the best cell phone carrier in San Jose?

Based on crowdsourced speed tests in Mason, 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 San Jose?

We need at least 25 recent speed tests to generate reliable local metrics. Until we reach that threshold in San Jose, we show performance data for Mason when it is available.

How can I check coverage at my specific address in San Jose?

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 Jose?

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 San Jose on our interactive map.

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