Due to Liechtenstein's compact geographical size, it is common for users to inadvertently cross into neighboring territories like Feldkirch, Austria, or Buchs, Switzerland. If you are utilizing a CoreESIM plan provisioned solely for Liechtenstein, your data service will cease upon exiting the principality's borders. To maintain seamless connectivity across these regions, CoreESIM recommends a regional Europe eSIM plan that encompasses Austria and Switzerland, preventing service interruptions during cross-border excursions.
HELP CENTER
What happens to my CoreESIM data connectivity if I inadvertently cross the border into <strong>Austria</strong> or <strong>Switzerland</strong>?
Updated April 22, 2026
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