Montenegro is a prime example of a common roaming misconception. Despite its European location and use of the Euro, Montenegro is not an EU member state. Therefore, your 'Roam Like at Home' benefits from an EU or UK SIM will not apply. Carriers like Vodafone or O2 will charge premium rates for data usage, which can quickly deplete your budget. Truly Roaming offers a cost-effective and predictable data solution, ensuring you stay connected for work and leisure without surprise bills.
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Can I expect free roaming in Montenegro with my existing European (EU) or UK SIM card, or should I consider Truly Roaming?
Updated April 22, 2026
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