CoverageMap

Londonderry

Cell coverage comparison in Londonderry, New Hampshire

US

Based on crowdsourced speed tests and signal measurements in Londonderry, New Hampshire, the current snapshot reflects over 100 speed tests and shows medians of 73.1 Mbps download, 10.8 Mbps upload, and 50 ms latency.

Performance by Carrier in Londonderry

Explore median download speeds, upload performance, and network latency for each major mobile carrier in Londonderry, 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
Download84.0 Mbps
Upload11.1 Mbps
Latency62 ms
Coverage100.0%

28 tests conducted

T-Mobile logo
Download16.8 Mbps
Upload10.3 Mbps
Latency41 ms
Coverage100.0%
Verizon logo
Download70.5 Mbps
Upload10.8 Mbps
Latency50 ms
Coverage100.0%

55 tests conducted

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

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

73.1Mbps

Upload

10.8Mbps

Latency

50ms

Top Performers

Fastest Download: AT&T

84.0 Mbps

Fastest Upload: AT&T

11.1 Mbps

Best Latency: T-Mobile

41 ms

Best Coverage: Verizon

100.0%

Coverage Snapshot

5G100.0%
4G LTE100.0%
Based on over 100 speed tests

Network Performance aggregates all measured carriers in Londonderry 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 100 tests. Current medians are 73.1 Mbps download, 10.8 Mbps upload, and 50 ms latency.

Cell Phone Plans for Londonderry

Compare wireless plans from carriers with coverage in this area.

MobileX Custom

$0/mo

Monthly plan

Verizon
  • No Data Included
  • Hotspot Included
  • Unlimited Minutes
  • Unlimited Texts

MobileX 150 Mins 150 Texts

$4.48/mo

Monthly plan

Verizon
  • No Data Included
  • 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

MobileX Unlimited Talk and Text

$6.48/mo

Monthly plan

Verizon
  • No Data Included
  • No Hotspot Included
  • Unlimited Minutes
  • Unlimited 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

MobileX Custom 1GB

$8.38/mo

Monthly plan

Verizon
  • 1 GB Datahigh-speed, then data stops
  • Hotspot Included
  • Unlimited Minutes
  • Unlimited Texts

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Cell Coverage in Londonderry: FAQ

What is the best cell phone carrier in Londonderry?

Based on crowdsourced speed tests in Londonderry, AT&T 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 Londonderry?

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 Londonderry?

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 Londonderry?

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 Londonderry on our interactive map.

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