The CoreESIM for Costa Rica is provisioned to connect with the nation's leading mobile network operators to ensure optimal signal and data performance across its varied geography. Our service primarily utilizes Kolbi (ICE), Claro, and Liberty. Kolbi is renowned for its expansive coverage, particularly in less urbanized and mountainous regions, making it a robust choice for travelers exploring diverse landscapes. Claro and Liberty offer strong 4G/LTE services in metropolitan areas and popular tourist destinations.
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Which Costa Rican mobile networks does the CoreESIM connect to?
Updated April 22, 2026
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