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.

Using the Coverage Map

• Zoom close for the most detailed view of Optimum Mobile coverage
• Use the tech selector to filter for 4G or 5G coverage maps
• Use the search bar to find specific places

Data Sourcing

Cell coverage data used in the Optimum Mobile coverage map comes primarily from the May 2025 release of the FCC's Broadband Data Collection program (representing networks as of December 2024). FCC data is supplemented by data from massive crowdsourcing efforts.