The answer depends on where your home SIM card is from. Since Bulgaria is an EU member, EU citizens often benefit from 'Roam Like at Home' policies. However, if you're traveling from the UK post-Brexit, many UK carriers like O2, Vodafone, or Three have reintroduced daily roaming charges, typically £2-£6 per day. For US travelers, providers like AT&T, Verizon, or T-Mobile will usually charge expensive daily international passes. SouthESIM offers a straightforward, budget-friendly alternative without these hidden costs.
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Is international roaming in Bulgaria free with my UK or US SIM card?
Updated April 22, 2026
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