Almost never. Because San Marino is not in the EU, most international carriers (especially from the UK, USA, or Canada) exclude it from their standard "Europe" packages, placing it in the same high-cost category as Monaco or Switzerland. You must check your home plan's fine print. A Ti Porto in Viaggio eSIM is the only way to guarantee a fixed, prepaid data price.
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Is San Marino included in most "Europe" or "UK" roaming plans?
Updated April 22, 2026
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