While Portugal is part of the EU, the concept of 'Roam Like at Home' primarily benefits EU citizens. For travelers from the UK or US, the situation is different. Post-Brexit, many UK carriers (such as Vodafone UK or Three) have reintroduced daily roaming charges, which can quickly accumulate. Similarly, US carriers like AT&T, Verizon, and T-Mobile typically offer international day passes that are often far more expensive than a dedicated WestESIM plan. WestESIM offers a predictable and cost-effective solution for premium connectivity in Portugal.
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Can I expect free roaming in Portugal with my existing UK or US SIM?
Updated April 22, 2026
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