Macau

^{Hutchison, CTM Macau}

Malaysia

^{Maxis, DIGI, Umobile, Celcom}

Myanmar

^{MPT, Ooredoo, Telenor, MYTEL}

New Zealand

^{Vodafone, Telecom New Zealand}

Pakistan

^{PTML Ufone, ZONG, Telenor}

Philippines

South Korea

^{SK Telecom, LG Uplus, KT Corporation}

Sri Lanka

^{Mobitel, Dialog Axiata, Hutchison}

Taiwan

^{Far EasTone, Chunghwa Telecom, Taiwan Mobile}

Thailand

Vietnam

^{MobiFone, VNPT, Viettel}

Bahrain

^{Batelco, Zain, VIVA}

Bangladesh

^{Grameen Phone, Robi}

Barbados

^Digicel

Belarus

Belgium

^{Proximus, Mobistar, Base}

Bermuda

^Digicel

Bhutan

^B-Mobile

Bornholm

^{Nuuday, Telenor, HI3G Access, Telia}

Bosnia and Herzegovina

^{Croatian Telecom, BH Telecom}

British Virgin Islands

^{Cable and Wireless}

Brazil

^{TIM, Claro, Vivo}

Brunei Darussalam

Bulgaria

^{MOBILTEL, Bulgarian Telec.Co, Telenor}

Cambodia

^{Smart Axiata, Viettel}

Cameroon

^Orange

Canada

^{Telus, Bell, Rogers}

Canary Islands

^{Vodafone, Orange}

Cayman Island

^Digicel

Ceuta

^{Vodafone, Orange}

Chile

^{Entel PCS, Telefónica, Claro, WOM}

China

^{China Telecom, China Mobile, China Unicom}

Colombia

^{Comcel S.A, Tigo, Colombia Teleco}

Crete

^{COSMOTE - MOBILE TELECOM. S.A., Vodafone, WIND}

Cyclades

^{COSMOTE - MOBILE TELECOM. S.A., Vodafone, WIND}

Czech Republic

^{T-Mobile, O2, Vodafone}

Denmark

^{Nuuday, Telenor, HI3G Access, Teila}

Dominica

^Digicel

Egypt

^{Vodafone, Etisalat}

Faroe Islands

^{Faroese Telecom}

Fiji

^{Vodafone, Digicel}

Finland

^{Elisa, DNA Networks, Alands Telekommunikation, TeliaSonera}

France

^{Orange, SFR France, Bouygues Telecom}

Georgia

^{Veon Georgia}

Germany

^{Telekom Deutschland, Vodafone}

Gotland

^{TeliaSonera Mobile AB Sweden, Hutchison 3G Sweden, TELE2 SVERIGE, Telenor Sverige}

Greece

^{COSMOTE, Vodafone, WIND}

Grenada

^Digicel

Guam

^{DOCOMO, PTI Pacifica}

Guatemala

^{Telecomunicacion de Guatemala, Tigo}

Guinea Bissau

^{Spacetel, Orange}

Haiti

^Digicel

Hawaii

^{T-Mobile, AT&T Mobility, Verizon Wireless}

Hebrides

^{Vodafone UK, Hutchison 3G UK, Everything Everywhere Limited}

Honduras

^{Servicios de Comunicaciones de Honduras S.A. de C.V., Tigo Honduras}

Hong Kong

^{Hong Kong CSL, Hutchison, SmarTone Mobile}

Hungary

^{Telenor Magyarorszag Zrt., Magyar Telekom Tel.Public Ltd., Vodafone Hungary Ltd.}

Ibiza

^{Vodafone, Orange}

Iceland

^Nova

India

^{Bharti Airtel, IDEA, Reliance Jio, Vodafone}

Indonesia

Ionian Islands

^{COSMOTE - MOBILE TELECOM. S.A., Vodafone, WIND}

Iran

^{Mobile Company of Iran (MCI), MTN Irancell}

Ireland

^{Vodafone Ireland, Meteor Ireland, Hutchison 3G Ireland Ltd.}

Israel

^{Partner Communication Israel, Cellcom Israel Ltd., Pelephone Communications, Hot Mobile}

Italy

^{Telecom Italia, Vodafone, Wind}

Ivory Coast

^{Orange, MTN}

Japan

^{KDDI, NTT DoCoMo, Rakuten}

Jersey

^{Jersey Airtel Ltd, Jersey Telecoms UK}

Kauai

^{T-Mobile, AT&T Mobility, Verizon Wireless}

Kazakhstan

^{Beeline Kar-Tel, Kcell JSC, Tele2 Kazakhstan}

Kuwait

^{Zain-Kuwait, Ooredoo, VIVA}

Kyrgyzstan

^{Alfa Telecom CJSC, Sky Mobile LLC}

Laos

^{Lao Telecommunications, ETL Mobile, Unitel}

Latvia

^{Latvijas Mobilais Telefons, TELE2 SVERIGE AB -TELE2 LATVIA}

Liberia

^{Cellcom Telecommunications Inc}

Liechtenstein

^{Swisscom (Liechtenstein), Salt (Liechtenstein) AG, Telecom Liechtenstein AG}

Lithuania

^{Omnitel Lithuania, UAB TELE2}

Luxembourg

^{Post Luxembourg, TANGO SA, Orange}

Macau

^{CTM Macau, Hutchison}

Madeira

^{NOS Comunicacoes, Vodafone}

Malaysia

^{Maxis, DIGI, Umobile, Celcom}

Maldives

^{Ooredoo Maldives Pvt Ltd}

Mali

^{Orange Mali}

Mallorca

^{Vodafone, Orange}

Malta

^{Vodafone Malta}

Mariana Islands

^{DOCOMO PACIFIC, PTI Pacifica Inc. (IT&E)}

Mauritius

^{Cellplus Mobile Communications Ltd.}

Menorca

^{Vodafone, Orange}

Mililla

^{Vodafone, Orange}

Mongolia

^{Skytel LLC, Unitel LLC, MobiCom Corp. Mongolia}

Morocco

^{Medi Telecom S.A. Maroc, WANA}

Mozambique

^{Vodacom Mozambique}

Myanmar

^{MPT, Ooredoo, Telenor, MYTEL}

Nauru

^{Digicel (Nauru) Corporation}

Nepal

^{Nepal Telecommunications Corpo, Ncell Private Limited}

Netherlands

^{Vodafone Netherlands, KPN B.V., T-Mobile Netherlands BV}

New Caledonia

^{OPT New Caledonia}

New Zealand

^{Vodafone, Telecom New Zealand}

Northern Ireland

^{Vodafone, Hutchison 3G, Everything Everywhere}

Norway

^{Telenor, Telia}

Oman

^{Omani Qatari Telecom, Oman Future Telecommunication}

Orkney Islands

^{Vodafone, Hutchison 3G, Everything Everywhere}

Pakistan

^{PTML Ufone, ZONG, Telenor}

Palestine

^{Palestine Cellular Comm, Wataniya Mobile}

Panama

^{Cable and Wireless, Telefonica}

Papua New Guinea

^Digicel

Paraguay

^{Claro, Tigo}

Peloponnese

^{COSMOTE - MOBILE TELECOM. S.A., Vodafone, WIND}

Philippines

Portugal

^{NOS Comunicacoes, Vodafone}

Puerto Rico

^{Liberty, Claro}

Qatar

^{Ooredoo, Vodafone}

Rodrigues Island

^{Cellplus Mobile}

Romania

^{Vodafone, Telekom Romania, Orange}

Russia

^{MTS PJSC, MegaFon, OJSC VimpelCom}

St. Lucia

^Digicel

Saint Vincent and the Grenadines

^Digicel

Sakhalin Island

^{MTS PJSC, MegaFon, OJSC VimpelCom}

Samoa

^Digicel

San Marino

^{Telecom Italia, Vodafone, Wind}

Sardinia

^{Telecom Italia, Vodafone, Wind}

Saudi Arabia

^{Saudi Telecom, Mobile Telecom}

Serbia

^{Telenor, VIP}

Shetland

^{Vodafone, Hutchison, Everything Everywhere}

Sicily

^{Telecom Italia, Vodafone, Wind}

Sint Maarten

^{Digicel, TelCell NV, UTS Flow}

Slovenia

^{SI.MOBIL D.D., Telekom Slovenije, Telemach d.o.o.}

South Africa

^{Cell C, Vodacom, MTN}

South Korea

^{SK Telecom, LG Uplus, KT Corporation}

Spain

^{Vodafone, Orange}

Sri Lanka

^{Mobitel, Dialog Axiata, Hutchison}

St. Kitts & Nevis

^Digicel

Sudan (North)

^Zain

Sudan (South)

^Zain

Svalbard

^{Telenor Norge AS, Telia}

Sweden

^{TeliaSonera Mobile AB Sweden, Hutchison 3G Sweden, TELE2 SVERIGE, Telenor Sverige}

Switzerland

^{Swisscom Switzerland, Sunrise Communications AG, Salt}

Taiwan

^{Far EasTone, Chunghwa Telecom, Taiwan Mobile}

Tajikistan

^{Babilon-Mobile, Tacom}

Tanzania

^Vodacom

Thailand

Timor-Leste

^{Telkomsel, Timor Telecom, Telemor (Viettel)}

Tonga

^{Digicel Tonga}

Tunisia

^Ooredoo

Turkey

^{Turkcell Turkey, Vodafone Telekomunikasyon A.S., AVEA Iletisim Hizmetleri A.S.}

Turks and Caicos

^Digicel

Ukraine

^{PRJSC MTS, Kyivstar JSC, Astelit}

United Arab Emirates

^{Etisalat, du-Emirates}

United Kingdom

^{Vodafone, Hutchison, Everything Everywhere}

United States

^{T-Mobile, AT&T, Verizon}

US Virgin Islands

^{T-Mobile, AT&T, Verizon}

Uzbekistan

^{FE COSCOM LLC (TM Ucell), Uzbektelecom}

Vanuatu

^Digicel

Vatican City

^{Telecom Italia, Vodafone, Wind}

Vietnam

^{MobiFone, VNPT, Viettel}

Western Sahara

^{Medi Telecom, WANA}

Zanzibar

^Vodacom