No, standard EU, UK, or even most domestic US mobile plans generally do not include free international roaming in the United States. The EU's 'Roam Like At Home' initiative is geographically limited to the European Economic Area. Post-Brexit, UK plans often incur charges for US roaming. US domestic plans, while offering nationwide coverage, typically treat international roaming as an add-on service with premium rates. Relying on your home SIM for data in the US without a specific international roaming package is likely to result in substantial charges. CoreESIM offers a more cost-effective and transparent alternative for US data.
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Can I expect free international roaming in the United States with an EU, UK, or US plan?
Updated June 7, 2026
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