T-Mobile Coverage
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T-Mobile Coverage Map

The coverage map shows T-Mobile's native (non-roaming) coverage.

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

Map Usage

Data Sourcing

Cell coverage data for T-Mobile comes primarily from the October 2026 release of the FCC's Broadband Data Collection program (representing networks as of June 2026), supplemented with real-world measurements from large crowdsourcing projects.

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Coverage by Broadband Map

More map. Less clutter.

The Coverage app gives you more room to explore cell coverage, with a cleaner layout made for mobile.