Our SouthESIM plans are typically designed for specific countries or regions. A plan for the Republic of Ireland is valid only within its borders. If your journey takes you from Dublin across to Belfast in Northern Ireland, which is part of the UK, your connection will cease at the border. For seamless travel across both parts of the island, we recommend checking out our regional bundles that cover larger areas, ensuring you stay connected whether you're exploring the Cliffs of Moher or the Giant's Causeway.
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Does this SouthESIM plan for Ireland also work in Northern Ireland?
Updated April 22, 2026
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