Unlimited Data UK SIM

Get 18GB or unlimited data in the UK with brand new Three Mobile SIM Cards. Access a massive 5G Network in over 71 countries including some of the most popular destinations such as the USA, France, Australia, and more.

• Unlimited data in UK

• Unlimited calls in UK

• Unlimited SMS in UK

• Supported at 71 destinations

• 18GB 5G data

• Valid for 7 days

Countries Coverage

Go Roam

With Go Roam, you can unlock your call, text, and data allowances in 71 destinations around the world, making it easy to stay connected wherever you go. 

European Destinations

Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France (incl. Corsica, Mayotte & Réunion), Germany, Gibraltar, Greece (incl. Crete & Rhodes), Guernsey, Hungary, Iceland, Ireland, Isle of Man, Italy (incl. Sardinia & Sicily), Jersey, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland.

Destinations Outside of Europe

Aland Islands, Australia, Azores, Balearic Islands, Brazil, Canary Islands, Chile, Colombia, Costa Rica, El Salvador, French Guiana, Guatemala, Hong Kong, Indonesia, Israel, Macau, Madeira, Marie-Galante, Martinique, New Zealand, Nicaragua, Panama, Peru, Puerto Rico, Saint Barthélemy, Saint Martin, San Marino, Singapore, Sri Lanka, United States (incl. Florida Keys), Uruguay, US Virgin Islands, Vatican City, Vietnam.