Ultra Mobile Coverage Map
Ultra Mobile runs over T-Mobile's network. Subscribers with Ultra Mobile have access to both 4G and 5G coverage from T-Mobile.
Ultra Mobile
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4G & 5G ▼
- ◄ 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.