Measure your cellular data speeds. Contribute to the fastest-growing map of crowdsourced cellular coverage. Completely free.
How good is coverage where you live?
Enter your state, city, or ZIP code in the search bar below:
Interactive maps with rich information.
A crowd-sourced map of the cellular data speeds on every carrier.
Explore where carriers have great, good, and poor reception.
Data-driven reports of cellular performance in every state, county, city, and ZIP code in the U.S.
See verified coverage maps and estimated coverage maps for all carriers.
The latest news from CoverageMap.com
Read our reports to learn about trends in cellular coverage and performance.
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.
Create your free account to enjoy three key benefits:
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.
Compare cell phone coverage and performance. Set custom filters. See what network is best in your area.
We're partnering with trusted companies to give you the best experience possible.
Join the email list so you're the first to know about new features.