For guaranteed speed and coverage. While your U.S. plan should work, it often relies on "partner" networks (like Claro PR), which can be slow (3G) or spotty. An eSIM often provides a more stable connection by locking onto the best local towers (like AT&T or T-Mobile's native 5G/LTE), ensuring your Google Maps works when you need it.
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Does my US phone plan work in Puerto Rico?
Updated April 22, 2026
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