The CoreESIM plan specifically designated for Ireland is geo-fenced to operate exclusively within the geographical boundaries of the Republic of Ireland. It does not extend coverage to Northern Ireland, which is part of the United Kingdom. If your travel itinerary includes both Dublin and locations such as Belfast or the Giant's Causeway in Northern Ireland, a separate CoreESIM UK plan or a broader regional plan encompassing both territories would be required to ensure continuous connectivity. CoreESIM plans are precise regarding their operational regions.
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Does this CoreESIM plan cover Northern Ireland or only the Republic of Ireland?
Updated April 22, 2026
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