It truly depends on where your group's home SIM cards are from! Since Belgium is an EU country, the "Roam Like at Home" rule generally applies to EU citizens. However, if your friends are from the UK (Post-Brexit), many UK carriers (like O2, Vodafone, Three) have reintroduced daily roaming charges, often £2-£6 per day. For those with US SIM cards, expect standard international roaming fees from providers like AT&T or T-Mobile, which can quickly become expensive. Triply offers one clear, affordable plan for everyone, helping you avoid those unexpected costs.
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Is roaming free in Belgium for our group with UK or US SIM cards?
Updated April 22, 2026
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