Consumer Cellular runs over AT&T's network. In the past, Consumer Cellular also offered T-Mobile-based service, but the carrier now operates only over AT&T's network.
The map reflects predicted outdoor signal quality. Indoor signal, congestion, and roaming aren't mapped. Each can matter in practice.
Cell coverage data for Consumer Cellular comes primarily from the November 2025 release of the FCC's Broadband Data Collection program (representing networks as of June 2025), supplemented with real-world measurements from large crowdsourcing projects.