The coverage map shows native (non-roaming) coverage from US networks. The default view relies on data from the FCC's Broadband Data Collection program that's enhanced by real-world measurements crowdsourced from DIMO vehicles and Roam Network contributors.
Map Usage
Zoom in for the most finely grained coverage data
Optionally, filter for only 4G or 5G with the menu
Click hexagons to explore signal strength measurements
Use the geocoder to search for specific locations
Tap the eye icon to hide UI elements for a cleaner view (super helpful on mobile!)
From the settings menu
Toggle Dish & regional networks
Switch to alternate maps showing DIMO or Roam Network data
Adjust color schemes or zoom options
Data Sourcing
Cell coverage data comes largely from the May 2025 release of the FCC's Broadband Data Collection program (representing networks as of December 2024) with supplementation from massive crowdsourcing efforts.