Optimum Mobile Coverage

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Optimum Mobile Coverage Map

Optimum Mobile runs over T-Mobile's network with access to both T-Mobile's 4G service and T-Mobile's 5G service.

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

Map Usage

Check Optimum Mobile coverage at a specific location by entering it in the search bar
For the most detailed view of Optimum Mobile coverage, zoom in
Use the tech selector to switch between 4G and 5G coverage

Data Sourcing

Cell coverage data for Optimum 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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Optimum Mobile Coverage Map

Map Usage

Data Sourcing

More map. Less clutter.

Map Settings

Optimum Mobile Coverage Map

Map Usage

Data Sourcing