No! This is the most common mistake. Grenada is an independent country and is NOT part of the EU or any US/UK domestic plan. Most home carriers (like AT&T, Verizon, T-Mobile, or UK's Vodafone/O2) will charge you expensive international rates (e.g., $10-$14 per day). A Cellesim eSIM is a one-time prepaid fee that is significantly cheaper.
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Is roaming free in Grenada with my US, UK, or EU SIM card?
Updated April 22, 2026
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