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Cell Coverage | Internet Map

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.

- ◄ Signal Strength+
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Data Sourcing

Cell coverage data comes largely from the May 2025 release of the FCC's Broadband Data Collection program (representing networks as of December 2024) with supplementation from massive crowdsourcing efforts.