CoverageMap

Frederick

Cell coverage comparison in Frederick, Maryland

US

Based on crowdsourced speed tests and signal measurements in Frederick, Maryland, the current snapshot reflects over 21,000 speed tests and shows medians of 75.7 Mbps download, 8.6 Mbps upload, and 39 ms latency.

Performance by Carrier in Frederick

Explore median download speeds, upload performance, and network latency for each major mobile carrier in Frederick, 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
Download92.7 Mbps
Upload10.8 Mbps
Latency38 ms
Coverage98.7%

Over 7,800 tests conducted

T-Mobile logo
Download121.1 Mbps
Upload7.7 Mbps
Latency40 ms
Coverage98.3%

Over 6,000 tests conducted

Verizon logo
Download42.5 Mbps
Upload7.7 Mbps
Latency37 ms
Coverage98.6%

Over 7,600 tests conducted

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

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

75.7Mbps

Upload

8.6Mbps

Latency

39ms

Top Performers

Fastest Download: T-Mobile

121.1 Mbps

Fastest Upload: AT&T

10.8 Mbps

Best Latency: Verizon

37 ms

Best Coverage: AT&T

98.7%

Coverage Snapshot

5G98.5%
4G LTE99.6%
Based on over 21,000 speed tests

Network Performance aggregates all measured carriers in Frederick 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 21,000 tests. Current medians are 75.7 Mbps download, 8.6 Mbps upload, and 39 ms latency.

Cell Phone Plans Available in Frederick

Compare wireless plans from carriers with coverage in this area.

Helium Mobile Zero

$0/mo

Monthly plan

T-Mobile
  • 1 GB Data1GB cellular + 2GB Helium Wi-Fi
  • No Hotspot Included
  • 100 Minutes
  • 300 Texts

Helium Mobile Sprout

$5/mo

Monthly plan

T-Mobile
  • 3 GB Datahigh-speed, then data stops
  • No Hotspot Included
  • Unlimited Minutes
  • Unlimited Texts

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

Tello 100 Mins

$5/mo

Monthly plan

T-Mobile
  • No Data Included
  • No Hotspot Included
  • 100 Minutes
  • Unlimited Texts

Tello 1GB 100 Mins

$6/mo

Monthly plan

T-Mobile
  • 1 GB Datahigh-speed, then data stops
  • Hotspot Included
  • 100 Minutes
  • Unlimited Texts

Tello 2GB 100 Mins

$7/mo

Monthly plan

T-Mobile
  • 1 GB Datahigh-speed, then data stops
  • Hotspot Included
  • 100 Minutes
  • Unlimited Texts

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Cell Coverage in Frederick: FAQ

What is the best cell phone carrier in Frederick?

Based on crowdsourced speed tests in Frederick, 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 Frederick?

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.

How can I check coverage at my specific address in Frederick?

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 Frederick?

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

View Coverage Map for Frederick

Explore detailed coverage data on our interactive map to find the best carrier for your specific location.

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Frederick, Maryland Cell Coverage | CoverageMap