Europe - Operators
| Country | Operator | Country | Operator |
| Austria | Hutchison 3G Austria GmbH | Ireland | Vodafone Ireland Ltd. |
| Austria | Mobilkom Austria AG | Italy | H3G |
| Austria | ONE GMBH | Italy | Telecom Italia SpA |
| Austria | T-Mobile Austria GmbH | Italy | Vodafone Omnitel N.V. |
| Belgium | BASE NV/SA | Italy | Wind Telecomunicazioni SpA |
| Belgium | Belgacom Mobile | Latvia | Latvian Mobile Telephone Co |
| Belgium | Mobistar S.A. | Latvia | SIA Bite Latvija |
| Bulgaria | BTC Mobile EOOD | Latvia | TELE2 |
| Bulgaria | Cosmo Bulgaria Mobile EAD | Liechtenstein | Mobilkom (Liechtenstein) AG |
| Bulgaria | Mobiltel EAD | Lithuania | OMNITEL |
| Croatia | T-Mobile Croatia, LLC | Lithuania | UAB TELE2 |
| Croatia | Tele2 d.o.o za telekomunikacijske uluge |
Luxembourg | P & T Luxembourg |
| Croatia | VIPnet d.o.o. | Luxembourg | Tango SA |
| Cyprus | Areeba LTD | Luxembourg | VOXmobile S.A. |
| Cyprus | Cyprus Telecommunications Auth |
Malta | Mobisle Communications Limited |
| Czech Republic | T-Mobile Czech Republic a.s. |
Malta | Vodafone Malta Limited |
| Czech Republic | Telefónica O2 Czech Republic a.s. |
Netherlands | KPN |
| Czech Republic | Vodafone Czech Republic a.s. |
Norway | NETCOM AS |
| Denmark | Hi3G Denmark ApS | Norway | Telenor Mobil |
| Denmark | TDC Mobil A/S | Poland | P4 Sp. z o.o |
| Denmark | Telenor A/S | Poland | PTK Centertel |
| Denmark | Telia Nattjanster Norden AB | Poland | Polkomtel S.A. |
| Estonia | AS EMT | Poland | Polska Telefonia Cyfrowa |
| Estonia | Elisa Eesti AS | Portugal | Sonaecom ‒ Serviços de Comunicações, S.A. |
| Estonia | Tele2 Eesti AS | Portugal | TMN |
| Finland | Alands Mobiltelefon Ab | Portugal | Vodafone Portugal |
| Finland | DNA Finland Ltd | Romania | Cosmote RomanianMobile Telecommunications S.A. |
| Finland | Elisa Corporation | Romania | Orange Romania SA |
| Finland | TeliaSonera Finland Oyj | Romania | RCS & RDS |
| France | Bouygues Telecom | Romania | Vodafone Romania S.A. |
| France | DIGICEL Antilles Française Guyane |
Réunion | Societe Reunionnaise de Radiotelephone |
| France | Free Mobile | Slovakia | Orange Slovensko a.s. |
| France | Orange France | Slovakia | T-Mobile Slovensko, a.s. |
| France | SFR | Slovakia | Telefónica O2 Slovakia s.r.o. |
| Germany | E-Plus Mobilfunk | Slovakia | Mobitel D.D. |
| Germany | O2 (Germany) GmbH & Co. OHG |
Slovenia | SI.MOBIL d.d. |
| Germany | T-Mobile Deutschland GmbH |
Slovenia | Tusmobil d.o.o. |
| Germany | Vodafone D2 GmbH | Spain | France Telecom España SA |
| Gibraltar | Gibraltar Telecommunications Int. Ltd. |
Spain | Telefonica Moviles España S.A. |
| Greece | COSMOTE - Mobile Telecommunications S.A. |
Spain | Vodafone Espana S.A.U. |
| Greece | Vodafone-Panafon | Spain | Xfera Moviles SA |
| Greece | Wind Hellas Telecommunications S.A. |
Sweden | Hi3G Access AB |
| Grenada | Cable & Wireless Grenada Ltd. |
Sweden | Tele 2 AB |
| Guadeloupe | Orange Caraibe | Sweden | Telenor Sverige AB |
| Hungary | Magyar Telekom Plc | Sweden | TeliaSonera Mobile Networks AB Sweden |
| Hungary | Pannon GSM Telecommunications |
Switzerland | Orange Communications SA |
| Hungary | Vodafone Hungary Ltd | Switzerland | Sunrise Communications AG |
| Iceland | Nova ehf. | Switzerland | Swisscom (Switzerland) Ltd |
| Iceland | Og fjarskipti hf | United Kingdom | Hutchison 3G UK Ltd |
| Iceland | Siminn hf | United Kingdom | O2 (UK) Limited |
| Iceland | Hutchison 3G Ireland limited | United Kingdom | Orange PCS Ltd |
| Iceland | Meteor Mobile Telecommunications Limited |
United Kingdom | T-Mobile (UK) Limited |
| Iceland | O2 Communications (Ireland) Ltd |
United Kingdom | VODAFONE Ltd |
