Afghanistan
MTN

Algeria
Djezzy, Ooredoo

Andorra
Andorra Telecom

Anguilla
FLOW

Antigua and Barbuda
FLOW

Argentina
Movistar

Armenia
MTS ARM (VivaCell)

Aruba
Setar GSM

Australia
Optus

Austria
A1

Azerbaijan
Azercell, Bakcell

Bahamas
BTC

Bahrain
Batelco, zain BH

Bangladesh
Grameenphone

Barbados
FLOW

Belgium
Orange, Proximus

Belize
BTN (DigiCell)

Benin
MTN Benin

Bermuda
One (CellularOne)

Bhutan
B-Mobile (Bhutan Telecom)

Bolivia
Entel, VIVA, Tigo

Botswana
Mascom (MTN)

Brazil
VIVO

British Virgin Islands
FLOW

Brunei
DST, Progresif (PCSB)

Bulgaria
Yettel, A1

Burkina Faso
Airtel (Orange)

Burundi
Lumitel

Cambodia
Metfone (Viettel)

Cameroon
MTN Cameroon Ltd.

Canada
Bell, SaskTel, TELUS

Cape Verde
CVMovel

Cayman Islands
FLOW

Chad
Airtel Tchad

Chile
Movistar

China
China Mobile

Colombia
Movistar, Tigo

Costa Rica
Claro, LIBERTY

Croatia
A1 HR

Cyprus
cyta

Denmark
3 DK

Dominica
FLOW

Dominican Republic
Claro

Ecuador
Claro, Movistar

Egypt
Orange

El Salvador
Movistar, Tigo

Estonia
Tele2

Ethiopia
ethiotelecom

Falkland Islands
Sure

Faroe Islands
Nema (Vodafone)

Fiji
Vodafone Fiji

Finland
Telia

France
Orange FR, Free

French Guiana
Digicel

French Polynesia
Vodafone

Gabon
Airtel

Gambia
Africell

Georgia
Silknet (Geocell)

Germany
Vodafone

Ghana
Telecel (Vodafone)

Gibraltar
Gibtelecom

Greece
Vodafone

Greenland
Tusass (TELE)

Grenada
FLOW

Guadeloupe
Orange

Guam
IT&E

Guatemala
Tigo

Guernsey
Sure

Guinea
MTN Guinea

Guinea-Bissau
MTN Guinea Bissau

Guyana
Digicel

Haiti
Digicel

Honduras
Tigo

Hong Kong
3 HK

Hungary
Vodafone

Iceland
Vodafone

India
Jio (Reliance), Vodafone

Indonesia
3, INDOSAT

Iraq
Korek Telecom

Ireland
3 Ireland, Eir, Vodafone

Isle of Man
Manx

Israel
HotMobile, Pelephone

Italy
iliad, Vodafone, Wind Tre

Jamaica
FLOW

Japan
au (KDDI)

Jersey
JT

Jordan
Zain

Kazakhstan
Beeline (K-Mobile)

Kenya
Airtel Kenya

Kiribati
ATHKL

Kosovo
IPKO

Kuwait
zain

Kyrgyzstan
Beeline

Laos
ETL Mobile

Latvia
LMT, Tele2

Liberia
MTN Liberia (Lonestar)

Liechtenstein
FL1 (mobilkom)

Lithuania
Teli2, Bite

Luxembourg
Orange, Tango

Macau
CTM

Madagascar
Airtel

Malawi
Airtel Malawi

Malaysia
Maxis, U Mobile

Maldives
Ooredoo

Mali
MOOV (Malitel)

Malta
epic

Martinique
Digicel

Mauritania
Mattel

Mauritius
Orange (Cellplus)

Mayotte
SFR

Mexico
Telcel

Moldova
Moldcell, Orange Moldova

Monaco
Monaco Telecom

Mongolia
Unitel

Montenegro
MTEL Montenegro

Montserrat
FLOW

Morocco
Orange (Meditel)

Mozambique
Vodacom

Nauru
Digicel

Nepal
Ncell

Netherlands
KPN, Vodafone

New Zealand
One.nz (Vodafone)

Nicaragua
Tigo

Niger
Airtel

Nigeria
Airtel, MTN

Northern Mariana Islands
IT&E Wireless

Norway
Telia N, Telenor

Oman
Omantel

Pakistan
Jazz (Mobilink)

Panama
Tigo

Papua New Guinea
Digicel

Paraguay
Tigo

Peru
Movistar

Philippines
Globe

Poland
Play (P4)

Portugal
NOS, MEO

Puerto Rico
Claro, LIBERTY

Qatar
Vodafone

Republic of the Congo
Airtel Congo

Romania
Orange, Vodafone

Russia
Beeline

Rwanda
Airtel, Tigo

Saint Kitts and Nevis
FLOW

Saint Lucia
FLOW

Saint Martin
CHIPPIE

Samoa
Digicel

San Marino
Wind Tre

Saudi Arabia
Zain

Senegal
Orange SN

Serbia
A1

Seychelles
Airtel

Singapore
StarHub

Sint Maarten
CHIPPIE / FLOW

Slovakia
Orange

Slovenia
A1, Mobitel

South Africa
Vodacom

South Korea
KT

Spain
Orange, Vodafone

Sri Lanka
Mobitel LK

Sudan
Airtel

Suriname
Digicel

Sweden
Tele2

Switzerland
Sunrise

Taiwan
Chunghwa

Tajikistan
MegaFon

Tanzania
Airtel

Thailand
TRUE-H

Timor-Leste
Telemor, Timor Telecom

Togo
Moov

Tonga
Digicel

Trinidad and Tobago
TSTT

Tunisia
Orange

Turks and Caicos Islands
FLOW

Uganda
Airtel

United Kingdom
Vodafone, Three UK, EE

Ukraine
Kyivstar

United Arab Emirates
e&, DU

Uruguay
Movistar

United States
Verizon, AT&T, T-Mobile

Uzbekistan
beeline UZ

Vanuatu
Digicel

Venezuela
Movistar

Vietnam
Vietnamobile

Zambia
Airtel