How good is coverage in your area?
Compare cell coverage from every major carrier using real data from millions of speed tests.
See your coverage. Anytime. Anywhere.
Download the CoverageMap app for free to see real-world coverage, test your speed, compare carriers, and help build the largest crowdsourced map of cellular networks worldwide.
Integrate CoverageMap data into your app today
The CoverageMap API returns coverage, signal strength and real-world speed test data for any list of U.S. locations in a single JSON response. Try now for free, no credit card required.
- FCC coverage and signal strength
- Crowdsourced download, upload and latency
- Addresses or coordinates, up to 100 per request
- Free trial with no credit card
Featured Carriers
Explore detailed coverage maps for all major carriers
Test your connection right now
Measure your download speed, upload speed, latency, and jitter in real time. See exactly how your connection performs before you compare carriers.
How does CoverageMap.com work?
We aggregate data from millions of real-world measurements from users like you to give you accurate coverage information.
Enterprise Solutions
APIs and data solutions for businesses
Our Partners
We work with carriers, device makers, and connectivity brands to keep coverage data accurate and useful.
Ready to check your coverage?
Download the free app to run speed tests and contribute to our database. It only takes a few taps to run a test, and every measurement makes the map better for everyone.