In addition to over 30 countries in Europe you get the US, Canada and Puerto Rico.  Please contact us for a detailed list of network operators in each country.
Austria, Belgium, Bulgaria, Canada, Croatia, Cyprus,Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Monaco, Netherlands, Norway, Poland, Portugal, Puerto Rico, Romania, San Marino, Slovakia, Slovenia, Spain, Sweden, Switzerland, United Kingdom, United States, Vatican City