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Which local networks does the CoreESIM for Puerto Rico connect to (e.g., Claro, T-Mobile, AT&T)?

Updated April 22, 2026

The CoreESIM solution for Puerto Rico is engineered to deliver superior data performance by connecting to the island's premier Tier-1 mobile networks. Our eSIMs typically provision access via T-Mobile Puerto Rico, renowned for its expansive 5G network, or AT&T (Liberty Puerto Rico), which offers robust 4G LTE coverage. This strategic carrier selection ensures users benefit from the fastest available speeds and most reliable connectivity across the territory.

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