| Countries | Telco |
| United Kingdom | Three |
| Australia | Optus, Telstra, Vodafone |
| Austria | Hutchison Drei Austria |
| Belgium | BASE |
| Brazil | Vivo |
| Bulgaria | Globul, Vivacom |
| Chile | Claro, Entel |
|
Colombia *Colombia must be activated in any of the listed countries first |
Movistar, Tigo |
| Costa Rica | Claro, Kolbi ICE |
| Croatia | Tele2 Croatia, T-Hrvatski Telekom |
| Cyprus | MTN, PrimeTel |
| Czech Republic | Telefonica O2, T-Mobile CZ |
| Denmark | 3 Denmark |
| El Salvador | Claro, Digicel |
| Estonia | Elisa, Tele2 |
| Finland | Alands Mobiltelefon, DNA, Elisa |
| France | Bouygues, Free Mobile, Orange |
| Germany | O2 Germany, T-Mobile |
| Gibraltar | GIBTEL |
| Greece | Cosmote, Wind Hellas |
| Guetemala | Tigo, Telefonica |
| Guernsey | Sure |
| Hong Kong | 3 Hong Kong |
| Hungary | Telenor, T-Mobile (Westel) |
| Iceland | Nova |
| Indonesia | Hutchinson 3 Indonesia |
| Ireland | 3 Ireland, O2 Ireland |
| Isle of Man | Sure |
| Israel | Orange, Pelephone |
| Italy | 3 Italy, Wind |
| Jersey | Airtel Jersey, Sure |
| Latvia | Tele2 Latvia |
| Liechtenstein | Orange |
| Lithuania | Tele2 |
| Luxembourg | Orange |
| Macau | 3 macau |
| Malta | Go Mobile |
| Netherlands | KPN Mobile, T-Mobile |
| New Zealand | 2degrees, Spark |
| Nicaragua | Movistar |
| Norway | Telenor |
| Panama | Digicel |
| Peru | Movistar |
| Poland | Play, T-Mobile |
| Portugal | NOS |
| Puerto Rico | AT&T, T-Mobile |
| Romania | Cosmote |
| Slovakia | Slovak Telecom, Telefonica O2 Slovakia |
| Slovenia | Mobitel, Tusmobil Slovenia |
| Singapore | M1, Singtel, Starhub |
| Spain | Telefonica Movistar, Yoigo |
| Sri Lanka | Etisalat, Hutchinson |
| Sweden | 3 Sweden |
| Switzerland | Salt Mobile SA, Sunrise |
| USA | AT&T, T-Mobile USA |
| Uruguay | Movistar |
| US Virgin Islands | AT&T |
| Vietnam | Vietnamobile, Viettel |