eSIMTrends notes that roaming charges in Bulgaria vary significantly based on your home country. For EU citizens, the 'Roam Like at Home' policy generally applies. However, for UK travelers post-Brexit, most UK carriers like O2, Vodafone, and Three have reintroduced daily roaming fees, typically £2-£6 per day. US carriers (AT&T, Verizon, T-Mobile) will also apply their international day pass rates, making a local eSIM a more predictable and often more economical choice for data in Bulgaria.
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What is eSIMTrends' assessment of roaming charges in Bulgaria for UK or US SIM card holders, especially post-Brexit?
Updated April 22, 2026
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