- Andorra: Andorra Telecom
- Austria: T-Mobile, Hutchison drei
- Belgium: Orange, Telenet / Base
- Bulgaria: Vivacom, Telenor
- Croatia: Croatian Telecom, Tele2, Vip
- Cyprus: Primetel
- Czech: T-Mobile, O2, Vodafone
- Denmark: TDC, Hi3G, Telia
- Estonia: Tele2
- Germany: Vodafone, O2
- Gibraltar: CTS, Eazi / Shine
- Greece: Vodafone
- Guernsey: Jersey Telecom
- Hungary: Telenor, Vodafone
- Ireland: Vodafone, Meteor
- Iceland: Siminn
- Italy: Vodafone, Wind Tre
- Latvia: Tele2
- Liechtenstein: FL1, AlpMobile
- Lithuania: Tele2
- Luxembourg: Orange, Tango
- Malta: GO
- Monaco: Monaco Telecom
- Netherlands: Vodafone, T-Mobile
- Norway: Telia
- Poland: Orange
- Portugal: Vodafone, NOS
- Reunion: Orange Reunion
- Romania: Vodafone
- Slovakia: Telekom, O2
- Slovenia: Telemach
| - Spain: Vodafone, Telefonica
- Sweden: Hi3G, Tele2, Telenor
- Switzerland: Sunrise, Salt
- United Kingdom: EE, Three
- Finland: Telia
- France: Orange
- Czech Republic: T-Mobile, O2, Vodafone
- Denmark: Telenor, TDC, Hi3G, Telia
- Estonia: Telia, Tele2
- Germany: Telekom, Vodafone, O2
- Gibraltar: Gibtel, CTS, Eazi / Shine
- Greece: Cosmote, Vodafone
- Guernsey: Sure, Jersey Telecom
- Hungary: Telekom, Telenor, Vodafone
- Ireland: Vodafone, Meteor
- Italy: TIM, Vodafone, Wind Tre
- Latvia: LMT, Tele2
- Liechtenstein: Salt, FL1, AlpMobile
- Lithuania: Telia, Tele2
- Luxembourg: Post, Orange, Tango
- Malta: Vodafone, GO
- Netherlands: KPN, Vodafone, T-Mobile
- Norway: Telenor, Telia
- Poland: T-Mobile, Orange
- Portugal: MEO, Vodafone, NOS
- Romania: Orange, Vodafone
- Slovakia: Orange, Telekom, O2
- Slovenia: Telekom, Telemach
- Spain: Orange, Vodafone, Telefonica
- Sweden: Telia, Hi3G, Tele2, Telenor
- Switzerland: Swisscom, Sunrise, Salt
- United Kingdom: Vodafone, EE, Three
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