CoverageMap

Santa Maria

Cell coverage comparison in Santa Maria, California

US

Based on crowdsourced speed tests and signal measurements in Santa Maria, California, the current snapshot reflects over 2,500 speed tests and shows medians of 67.6 Mbps download, 9.3 Mbps upload, and 41 ms latency.

Performance by Carrier in Santa Maria

Explore median download speeds, upload performance, and network latency for each major mobile carrier in Santa Maria, 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
Down53.6 Mbps
Up9.3 Mbps
Reliab.6.6 / 10
Cov.66.3%

Over 1,700 tests conducted

T-Mobile logo
Down139.9 Mbps
Up8.7 Mbps
Reliab.6.7 / 10
Cov.64.8%

Over 200 tests conducted

Verizon logo
Down137.8 Mbps
Up10.3 Mbps
Reliab.6.8 / 10
Cov.72.9%

Over 500 tests conducted

Performance by Carrier shows side-by-side results for the primary mobile providers measured in Santa Maria. 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.

Promoted Offers

Mint Mobile

Limited-time offer

Get the 5GB plan for $10/mo for your first 3 months

Regular price $25/month for 3 months

Visible

Limited-time

Get Visible+ for $30/mo with code 5OFF5

Get $5 off for up to 5 years. New customers only.

Network Performance in Santa Maria

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

67.6Mbps

Upload

9.3Mbps

Latency

41ms

Reliability

6.6/ 10

Top Performers

Best Download: T-Mobile

139.9 Mbps

Best Upload: Verizon

10.3 Mbps

Best Latency: AT&T

40 ms

Best Reliability: Verizon

6.8 / 10

Best Coverage: Verizon

72.9%

Coverage Snapshot

5G56.0%
4G LTE72.9%
Based on over 2,500 speed tests

Network Performance aggregates all measured carriers in Santa Maria 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 2,500 tests. Current medians are 67.6 Mbps download, 9.3 Mbps upload, and 41 ms latency.

Promoted Offers

Mint Mobile

Get the 5GB plan for $10/mo for your first 3 months

Regular price $25/month for 3 months

See Deal
Visible

Get Visible+ for $30/mo with code 5OFF5

Get $5 off for up to 5 years. New customers only.

See Deal

Cell Phone Plans for Santa Maria

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
Recommended PlanSponsored

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
Limited-time offer

$30/mo for 5 years with code 5OFF5

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Cell Coverage in Santa Maria: FAQ

What is the best cell phone carrier in Santa Maria?

Based on crowdsourced speed tests in Santa Maria, 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 Santa Maria?

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 Santa Maria. 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 Santa Maria?

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 Santa Maria?

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 Santa Maria on our interactive map.

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Test coverage at your location and contribute to our crowdsourced data.

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