Many travelers assume that because Montserrat is a British Overseas Territory, their UK SIM plan will work for free. This is often incorrect. Most UK and European carriers treat Montserrat as an "International Zone" with high roaming fees. A Cellesim Montserrat eSIM is a much cheaper alternative, ensuring you don't return home to a surprise phone bill.
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Is roaming free in Montserrat with my UK SIM card?
Updated April 22, 2026
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