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Building the Best-Ever Cellular Coverage Maps

Meet the new CoverageMap Speed Test

Measure your cellular data speeds. Contribute to the fastest-growing map of crowdsourced cellular coverage. Completely free.

Our Maps

Interactive maps with rich information.

Speed Map

A crowd-sourced map of the cellular data speeds on every carrier.

  • See download speeds, upload speeds, and latency
  • Customize the map with filters & color options
  • Find the best carrier in your area
Map of the United States with cellular speed test data overlayed on top
Map of the United States with cellular signal strength data overlayed on top

Signal Strength Map

Explore where carriers have great, good, and poor reception.

  • Created with data from the FCC
  • Detailed heat map view
  • Estimate where cell towers are located

Coverage Report Map

Data-driven reports of cellular performance in every state, county, city, and ZIP code in the U.S.

  • Poor, good, great, and excellent coverage areas
  • Weighted median speeds
  • Speed distribution curves
  • Time of day performance
The Speed Report Map colored by the carrier with the best overall performance in each area

How does work?

We're a cellular coverage map that works by having community members contribute data to the project. The map updates in real-time as community members upload data, helping everyone get a clearer picture of what coverage is truly like.

Upload your speed tests to by dragging and dropping a CSV file into our uploader
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1. Create a free account

Create your free account to enjoy three key benefits:

  1. Your own personal coverage map
  2. The ability to compete on the state and national leaderboards by earning points
  3. The ability to unlock fun achievements
arrow pointing up toward cloud

2. Upload your data

Use a free app like SpeedSmart to run speed tests. Then, upload your speed tests as CSV file to the map. Your speed tests are processed in real-time and will be instantly viewable on the map.

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3. Explore the map

Compare cell phone coverage and performance. Set custom filters. See what network is best in your area.

Don't miss amazing updates

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