The coverage map shows native (non-roaming) coverage throughout Wisconsin.
Alongside the three national networks, regional carrier Cellcom offers native coverage in parts of Wisconsin. Select Cellcom in the map's network menu to view its coverage.
The map displays predicted outdoor signal quality. Indoor signal, congestion, and roaming coverage aren't mapped. Each can matter in practice.
Cell coverage data for Wisconsin comes primarily from the May 2026 release of the FCC's Broadband Data Collection program (representing networks as of December 2025), supplemented with real-world measurements from large crowdsourcing projects.