This specific CoreESIM plan is provisioned exclusively for use within Bulgaria and the broader EU zone where 'Roam Like At Home' policies apply. It does not extend to neighboring non-EU countries. For instance, if you travel from Sofia to Istanbul (Turkey), Belgrade (Serbia), or Skopje (North Macedonia), your connectivity under this plan will cease at the border. For multi-country travel outside the EU, a regional eSIM encompassing the Balkans would be necessary.
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Is this CoreESIM plan valid for non-EU countries bordering Bulgaria, like Turkey, Serbia, or North Macedonia?
Updated April 22, 2026
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