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Is roaming free in Greece with my UK (O2, EE, Vodafone) or US SIM card?

Updated April 22, 2026

No! This is the #1 roaming trap.

  • For UK Travelers (Post-Brexit): Most UK carriers have reintroduced daily roaming fees (e.g., £2-£6 per day) for Greece.
  • For US/Canadian Travelers: Your home carrier (like AT&T or Verizon) will charge an expensive "Day Pass" (e.g., $10-$14 per day).

A Cellesim eSIM is a one-time prepaid fee that is significantly cheaper than paying these high daily charges.

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