Afghanistan

Roshan

Albania

One, Vodafone

Algeria

Ooredoo, Orascom

Andorra

Andorra Telecom

Anguilla

Cable and Wireless Anguilla

Antigua and Barbuda

C & W Antigua and Barbuda

Argentina

Movistar

Armenia

Vivacell

Australia

Optus

Austria

A1, T-Mobile

Azerbaijan

Azercell, Bakcell

Bahamas

BTC

Bahrain

STC

Barbados

C & W Barbados

Belarus

BeST Belarus

Belgium

Orange, Proximus, Telenet

Belize

Belize Telemedia

Benin

Celtiis

Bolivia

Tigo Bolivia

Bosnia and Herzegovina

BH Telecom

Brazil

TIM, TIM-CS, TIM-RN, Vivo

British Virgin Islands

C&W LIME British Virgin Islands

Bulgaria

Vivacom, Yettel

Cambodia

Metfone

Canada

Bell, Rogers, SaskTel, Telus

Cayman Islands

LIME / Cable & Wirel.

Chad

Zain/Airtel/Celtel Chad

Chile

Movistar, WOM Chile

China

China Telecom, China Unicom

Colombia

Claro, Tigo

Congo-Brazzaville

ZAIN Congo RDC

Congo-Kinshasa

Airtel Congo Rep

Costa Rica

Claro, Telefornica

Croatia

A1, Hrvatski Telekom

Cyprus

epic

Czech Republic

O2, T-Mobile, Vodafone

Denmark

TDC, Telenor, Telia

Dominican Republic

Claro

Dominica

C&W Dominica

Ecuador

Movistar

Egypt

Etisalat, Orange

El Salvador

Telef El Salvador

Estonia

Elisa, Tele2, Telia

Faroe Islands

Faroese Telecom, Vodafone

Fiji

Vodafone Fiji

Finland

DNA, Elisa, Telekommunikation Ab, Telia

France

Bouygues, Free, Orange

French Guiana

Bouygues/DigiCel French Guiana

Gabon

ZAIN/Celtel Gabon

Georgia

Mobitel

Germany

O2, T-Mobile, Vodafone

Ghana

Airtel

Gibraltar

Gibtelecom

Greece

Cosmote, Vodafone, Wind

Grenada

Cable & Wireless Grenada

Guadeloupe

Dauphin

Guatemala

Claro

Guernsey

Sure

Honduras

Claro, Tigo

Hong Kong

3HK, Smartone

Hungary

One, Telekom, Yettel

Iceland

Fjarskipti (VF) Iceland, Landssiminn - ISLPS, Nova

India

Fascel India, Idea (except IJ), Vi - Assam/ Kolkata/ Maharashtra & Goa, Vodafone Mumbai/ Essar/ Essar BT

Indonesia

Telkomsel

Iran

MCI

Iraq

Korek Telecom

Ireland

Meteor, Vodafone

Isle of Man

Manx Telecom

Israel

Hot Mobile, Partner, Pelephone

Italy

iliad, Vodafone

Jamaica

Cable & Wireless Jamaica

Japan

Docomo

Jersey

JT

Jordan

Umniah, ZAIN Jordan

Kazakhstan

Beeline

Kenya

Airtel

Kuwait

Ooredoo

Kyrgyzstan

Sky Mobile

Lao People's Democratic Republic

ETL Mobile

Latvia

Bite, Latvijas Mobilais Latvia, Tele2

Liechtenstein

TELECOM

Lithuania

Bite, Omnitel, Tele2

Luxembourg

Orange, Tango

Macao

3HK, CTM

Madagascar

Airtel

Malawi

Airtel

Malaysia

Celcom, Digi, U Mobile

Maldives

Dhiraagu

Malta

GO, Melita, Vodafone

Mauritius

Chili Mauritius

Mexico

Altan, Movistar

Moldova

Moldcell, Moldtelecom Moldova, Orange

Mongolia

Mobicom

Montenegro

m:tel

Montserrat

Cable & Wireless Montserrat

Morocco

Inwi

Nepal

Ncell

Netherlands Antilles

Setel Netherlands Antilles

Netherlands

KPN, Odido, Vodafone

New Zealand

Vodafone

Nicaragua

Claro

Nigeria

Airtel, Glo

Niger

Zain/CelTel Niger

North Macedonia

VIP Mobile Macedonia

Norway

ice, Telenor, Telia

Oman

Ooredoo Oman, Vodafone

Pakistan

Jazz

Palestine

Jawwal

Panama

Cable & Wireless

Peru

Movistar

Philippines

Globe

Poland

Plus

Portugal

MEO, NOS, Vodafone

Puerto Rico

Liberty

Qatar

Ooredoo, Vodafone

Reunion

Orange

Romania

Digi, Orange, T-Mobile, Vodafone

Russian Federation

Tele2 Russia

Rwanda

TIGO

Saint Kitts and Nevis

Cable & Wireless Saint Kitts and Nevis

Saint Lucia

Cable & Wireless Saint Lucia

Saint Vincent and the Grenadines

C & W Saint Vincent and Grenadines

Saudi Arabia

Mobily

Senegal

Sonatel (Orange)

Serbia

Yettel

Singapore

Singtel

Slovakia

O2, Orange, Telekom

Slovenia

A1, Mobitel, Telemach

South Africa

Telkom SA

South Korea

SK

Spain

Movistar, Orange, Vodafone

Sri Lanka

Mobitel

Sudan

Zain Sudan

Sweden

Tele2, Telenor, Telia

Switzerland

Salt, Sunrise

Taiwan

Chunghwa

Tajikistan

Tacom LLC

Tanzania

ZAIN/Celtel Tanzania

Thailand

AIS

Tunisia

Ooredoo Tunisie

Turkey

Turk Telekom Turkey

Turks and Caicos Islands

Cable & Wireless (TCI)

Uganda

Airtel

Ukraine

Kyivstar, MTS Ukraine

United Arab Emirates

DU, Etisalat UAE

United Kingdom

Everything Everywhere, O2, Vodafone

United States

AT&T, Verizon Wireless

Uruguay

Movistar

Uzbekistan

Beeline Uzbekistan

Venezuela

Digitel

Vietnam

Vinaphone

Zambia

Airtel/Zain/Celtel Zambia