Hong Kong

SmarTone, HKT

Indonesia

XL Axiata, Indosat

Malaysia

Celcom, DiGi, Maxis

Thailand

AIS, TRUE

Australia

Telstra

Bangladesh

Robi Axiata

China

China Mobile, China Telecom

Hong Kong

SmarTone, HKT

Indonesia

XL Axiata, Indosat

Malaysia

Celcom, DiGi, Maxis

New Zealand

Two Degrees Networks

South Korea

LG Uplus, SK Telecom, KT Corporation

Taiwan

Chunghwa Telecom

Thailand

AIS, TRUE

Vietnam

Viettel

Australia

Telstra

Bangladesh

Robi Axiata

Brunei

Unified National Networks

Cambodia

Smart Axiata

China

China Mobile, China Telecom

Hong Kong

SmarTone, HKT

India

Reliance Jio, Bharti Airtel

Indonesia

XL Axiata, Indosat

Japan

KDDI Corporation, NTT Docomo

Laos

ETL Company Limited, Star Telecom

Macau

CTM Macau

Malaysia

Celcom, DiGi, Maxis

New Zealand

Two Degrees Networks

Pakistan

Telenor Pakistan

Philippines

Globe

South Korea

LG Uplus, SK Telecom, KT Corporation

Sri Lanka

Dialog Axiata

Taiwan

Chunghwa Telecom

Thailand

AIS, TRUE

Vietnam

Viettel

Albania

Vodafone

Anguilla

Vodafone

Armenia

MTS Armenia

Australia

Telstra

Austria

T-Mobile

Azores

Vodafone Portugal

Bahrain

STC Bahrain

Bangladesh

Robi Axiata

Belgium

Proximus (fka Belgacom)

Bermuda

Vodafone

Bornholm

Telenor DK

Brazil

Vivo

British Virgin Islands

Vodafone

Brunei

Unified National Networks

Bulgaria

Yettel

Cambodia

Smart Axiata

Canada

Bell Mobility, Freedom Mobile, TELUS, SaskTel

Canary Islands

Vodafone Spain

Cayman Islands

Vodafone

Ceuta

Vodafone Spain

China

China Mobile, China Telecom

Crete

Hellenic Telecommunications Organization (OTE S.A)

Croatia

Hrvatski Telekom (T-Mobile)

Cyclades

Hellenic Telecommunications Organization (OTE S.A)

Czech Republic

T-Mobile

Denmark

Telenor DK

Estonia

Tele2

Fiji

Vodafone

Finland

Elisa Finland

France

Orange

Georgia

VEON (Mobitel)

Germany

Telekom Deutschland GmbH (T-Mobile)

Ghana

Vodafone Ghana

Gibraltar

Vodafone

Gotland

Tele2 AB

Greece

Hellenic Telecommunications Organization (OTE S.A)

Guam

IT&E

Guernsey

JT

Hong Kong

SmarTone, HKT

Hungary

Magyar Telekom Nyrt. (T-Mobile)

Ibiza

Vodafone Spain

Iceland

Vodafone Iceland

India

Reliance Jio, Bharti Airtel

Indonesia

XL Axiata, Indosat

Ionian Islands

Hellenic Telecommunications Organization (OTE S.A)

Ireland

EIR Ireland

Isle of Man

Manx Telecom

Israel

Pelephone

Italy

Vodafone Italy

Japan

KDDI Corporation, NTT Docomo

Jersey

JT

Kauai

AT&T, T-Mobile

Kazakhstan

Kar-Tel

Kuwait

Zain

Kyrgyzstan

Alfa Telecom JSC

Laos

ETL Company Limited, Star Telecom

Latvia

Tele2

Liechtenstein

Swisscom

Lithuania

Tele2

Luxembourg

POST Luxembourg

Macau

CTM Macau

Madeira

Vodafone Portugal

Malaysia

Celcom, DiGi, Maxis

Maldives

Dhiraagu

Mallorca

Vodafone Spain

Malta

Epic Communications Limited (fka Vodafone)

Mauritius

my.t (Cellplus)

Melilla

Vodafone Spain

Menorca

Vodafone Spain

Mongolia

Unitel

Montenegro

Telenor

Nepal

Ncell

Netherlands

KPN Netherlands, Odido Netherlands (T-Mobile)

New Zealand

Two Degrees Networks

Norway

Telenor Norge AS

Pakistan

Telenor Pakistan

Peru

Entel

Philippines

Globe

Poland

T-Mobile

Portugal

Vodafone Portugal

Qatar

Ooredoo QSC

Romania

Vodafone

Russia

Megafon, VimpelCom (Beeline)

Sardinia

Vodafone Italy

Saudi Arabia

Etisalat

Serbia

Yettel

Sicily

Vodafone Italy

Slovakia

Slovak Telecom

Slovenia

Telekom Slovenije

South Africa

Vodacom

South Korea

LG Uplus, SK Telecom, KT Corporation

Spain

Vodafone Spain

Sri Lanka

Dialog Axiata

Svalbard

Telenor Norge AS

Sweden

Tele2 AB

Switzerland

Sunrise, Swisscom, Salt

Taiwan

Chunghwa Telecom

Thailand

AIS, TRUE

Turkey

Vodafone Turkey

Turks and Caicos

Vodafone

Ukraine

Kyivstar

United Arab Emirates

du, Etisalat

United Kingdom

Vodafone

USA

T-Mobile USA, AT&T

Vietnam

Viettel

Anguilla

Vodafone

Australia

Telstra

Austria

T-Mobile

Bahrain

STC Bahrain

Belgium

Proximus (fka Belgacom)

Bermuda

Vodafone

Brazil

Vivo

British Virgin Islands

Vodafone

Brunei

Unified National Networks

Bulgaria

Yettel

Cambodia

Smart Axiata

Canada

Bell Mobility, Freedom Mobile, SaskTel, TELUS

Canary Islands

Vodafone Spain

Cayman Islands

Vodafone

Ceuta

Vodafone Spain

China

China Mobile, China Telecom

Finland

Elisa Finland

France

Orange

Germany

Telekom Deutschland GmbH (T-Mobile)

Gibraltar

Vodafone

Gotland

Tele2 AB

Guam

IT&E

Guernsey

JT

Hong Kong

HKT, SmarTone

Hungary

Magyar Telekom Nyrt. (T-Mobile)

Iceland

Vodafone Iceland

Ibiza

Vodafone Spain

India

Bharti Airtel, Reliance Jio

Indonesia

XL Axiata

Isle of Man

Manx Telecom

Israel

Pelephone

Japan

KDDI Corporation, NTT Docomo

Jersey

JT

Kauai

AT&T, T-Mobile

Latvia

Tele2

Liechtenstein

Swisscom

Luxembourg

POST Luxembourg

Macau

CTM Macau

Malaysia

Celcom, DiGi, Maxis

Mallorca

Vodafone Spain

Mauritius

my.t (Cellplus)

Melilla

Vodafone Spain

Menorca

Vodafone Spain

Netherlands

KPN Netherlands, Odido Netherlands (T-Mobile)

New Zealand

Two Degrees Networks

Philippines

Globe

South Korea

KT Corporation, LG Uplus, SK Telecom

Spain

Vodafone Spain

Sri Lanka

Dialog Axiata

Sweden

Tele2 AB

Switzerland

Sunrise, Swisscom

Taiwan

Chunghwa Telecom

Thailand

AIS

Turks and Caicos

Vodafone

United Kingdom

Vodafone

USA

AT&T, T-Mobile USA

Vietnam

Viettel