NOW Mobile is Comcast's prepaid mobile brand. Like Xfinity Mobile, it runs over Verizon's network. NOW Mobile requires Comcast home internet (Xfinity Internet or NOW Internet).
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 NOW Mobile 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.