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Coverage Notice

South Dakota Cell Coverage Map

The coverage map shows native (non-roaming) coverage throughout South Dakota.

The map reflects predicted outdoor signal quality. Indoor signal, congestion, and roaming aren't mapped. Each can matter in practice.

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Data Sourcing

Cell coverage data for South Dakota 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.