Straight Talk is owned by Verizon and runs over Verizon's network. Straight talk subscribers have access to both 4G LTE and 5G coverage from Verizon.
The map reflects predicted outdoor signal quality. Indoor signal, congestion, and roaming aren't mapped. Each can matter in practice.
Cell coverage data for Straight Talk 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.