Belgien: Base (KPN), Mobistar S.A. Belgium, Belgacom (Proximus)
Bosnien Und Herzegowina: PE Croatian Telecom JSC
Bulgarien: Mobitel EAD (Mobilkom), Globul, Vivacom (Vivatel)
Dänemark: Telenor AS (Sonofon), Telenor AS (Sonofon),Hutchison 3G Denmark, Telia Danmark, TDC Mobil AS
Deutschland: Telekom Deutschland GmbH, Vodafone D2 GmbH, Telefonica O2 Germany
Estland: AS EMT, TeleTwo Estonia
Finnland: DNA Ltd., TeliaSonera Finland
Frankreich: Orange France, SFR France, Bouygues Telecom France, Free Mobile
Gibraltar: Gibtelecom
Griechenland: Cosmote Mobile Telecommunications S.A., Vodafone Panafon, Wind Hellas Telecommunications S.A.
Guernsey: Sure (Guernsey) Limited
Insel Man: Manx Telecom
Irland: Vodafone Ireland, Three Ireland (Hutchison) Limited
Island: Nova, Siminn (On Waves), Vodafone Iceland
Italien: Vodafone Italia S.p.A, Telecom Italia Mobile (TIM), Wind Tre S.p.A.
Jersey: Jersey Telecoms UK
Kroatien: Croatian Telecom (T-Mobile), Tele2 Croatia, VipNet (Mobilkom)
Lettland: LVABC-Tele2 Latvia, LMT Latvia
Liechtenstein: Mobilkom Liechtenstein
Litauen: TELE2, Lithuania, Omnitel Lithuania
Luxemburg: P&T Luxembourg, TANGO Mobile SA, Orange SA
Malta: Go Mobile Malta, Melita Malta, Vodafone Malta
Moldawien: Orange Moldova
Niederlande: Vodafone Netherlands, T Mobile Netherlands B.V., KPN B.V., KPN B.V.
Norwegen: Telia Sonera Norge (Merged Network Norway NORNN), Network Norway (Merged with Telia Sonera, NORNC), Telenor Norge
Österreich: Hutchison Drei Austria, T-Mobile Austria GmbH, A1 (Mobilkom Austria)
Polen: ERA GSM Poland, PTK Centertel Poland, Polkomtel Poland (Merged Cyfrowy Polsat POLCP), P4 Poland
Portugal: Sonaecom Optimus, Vodafone Portugal, TMN Portugal
Republik Nordmazedonien: Vip Operator
Rumänien: Telekom Romania (ex Cosmote), Vodafone Romania, Orange Romania
Schweden: Telenor Sverige AB, Hutchison 3G Sweden, Tele2 AB Sweden, Telia Mobile AB Sweden
Schweiz: Sunrise, Salt Mobile SA
Serbien: VipMobile (Mobilkom)
Slowakei: T Mobile Slovensko, A.S., Orange Slovensko A.S., Telefonica O2 Slovakia
Slowenien: Mobitel Slovenia, Si.Mobil Slovenja
Spanien: Telefonica Moviles España
Tschechische Republik: Vodafone Czech, O2 Czech Republic, T-Mobile Czech
Türkei: AVEA Iletisim Hizmetleri A.S., Turkcell Turkey
Ungarn: Telenor Hungría, Magyar Telekom, Vodafone Hungary
Vereinigtes Königreich: Telefónica O2 UK, H3G UK, Vodafone UK
Zypern: Cytamobile-Vodafone, PrimeTel