| Countries | Telco |
| Austria | A1/H3G |
| Belgium | Proximus |
| Bulgaria | Mobitel/Telenor |
| Croatia | Tele2/T-mobile |
| Cyprus | MTN Cyprus/Primetel |
| Czech Republic | T-mobile/Telefonica O2 |
| Denmark | TDC/Telenor |
| Estonia | Tele2/Elisa |
| Faroe Islands | Faroese Telecom |
| Finland | Alcom |
| France | SFR/BOUYGUES |
| Germany | T-mobile/Telefonica O2 |
| Gibraltar | GIBTELECOM |
| Greece | Cosmote/Vodafone |
| Guadeloupe | Digicel |
| Hungary | T-mobile/Telenor |
| Iceland | Siminn/ Vodafone |
| Ireland | Meteor/Hutchinson |
| Italy | WIND/Vodafone/H3G |
| Latvia | SIA BITE/Tele2 |
| Lithuania | UAB Bite/Tele2 |
| Luxembourg | Tango SA/P&T |
| Malta | Vodafone/GO |
| Martinique | Digicel |
| Netherlands | KPN/Vodafone |
| Norway | Telia (Netcom)/Telenor |
| Poland | Plus/P4 |
| Portugal | TMN/NOS |
| Romania | SC Cosmote/Orange |
| Russia | Tele2/MTS |
| Slovakia | Slovak Telekom |
| Slovenia | Telekokm/Tusmobil |
| Spain | Movistar/Orange |
| Sweden | Telenor/Tele2 |
| Switzerland | Sunrise |
| United Kingdom |
Vodafone/EE/O2 |