You may use Unlimited Minutes and Text/SMS within the following Europe countries:
Aland Islands, Austria, Azores, Balearic Islands, Belgium, Bulgaria, Canary Islands, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, French Guiana, Germany, Gibraltar, Greece, Guadeloupe, Guernsey, Hungary, Iceland, Ireland, Isle of Man, Italy, Jersey, Latvia, Liechtenstein, Lithuania, Luxembourg, Madeira, Malta, Martinique, Mayotte, The Netherlands, Norway, Poland, Portugal, Réunion, Romania, Saint Barthélemy, Saint Martin, San Marino, Slovakia, Slovenia, Spain, Sweden, Switzerland, Vatican City.
Within the countries below including USA, only UK numbers can be contacted:
Australia, Brazil, Chile, Colombia, Costa Rica, El Salvador, Guatemala, Hong Kong, Indonesia, Israel, Macau, New Zealand, Nicaragua, Panama, Peru, Puerto Rico, Singapore, Sri Lanka, Uruguay, US Virgin Islands, USA, Vietnam