Cellular Coverage Maps
Crowdsourced. Powerful filters. Free app.
We are a small team of enthusiasts building out the best AT&T coverage map, Boost Mobile coverage map, T-Mobile coverage map, Verizon coverage map, and maps of carriers worldwide. All of our speed test maps are crowdsourced with real-world results for high accuracy. We collect data from our speed test partners and use data from our own Coverage Map app.
Coverage Map App
Measure your cellular data speeds. Contribute to the fastest-growing map of crowdsourced cellular coverage. Completely free.
Check Coverage In Your Area
How good is coverage where you live?
Enter your state, city, or ZIP code in the search bar below:
Our Cellular Coverage Maps
Interactive maps of cellular coverage with rich information.
Speed Test Map
A crowdsourced map of 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
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
Carrier Coverage Maps
See verified coverage maps and estimated coverage maps for all carriers.
News & Updates
The latest news from CoverageMap.com
Cellular Coverage Reports & Analysis
Read our reports to learn about trends in cellular coverage and performance.
How does CoverageMap.com 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.
1. Create a free account
Create your free account to enjoy three key benefits:
- Your own personal coverage map
- The ability to compete on the state and national leaderboards by earning points
- The ability to unlock fun achievements
2. Run Tests
Use the free Coverage Map app to measure your cellular connection. Your speed tests are processed in real-time and are instantly viewable on the map.
3. Explore the map
Compare cell phone coverage and performance. Set custom filters. See what network is best in your area.
Our Partners
We're partnering with trusted companies to give you the best experience possible.
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