| Andorra | Andorra Telecom |
| Emiratos Árabes Unidos | du, Etisalat |
| Afganistán | Afghan Wireless, Etisalat Afghanistan, MTN, Roshan, Salaam |
| Antigua y Barbuda | Digicel, FLOW |
| Anguila | Digicel, FLOW |
| Albania | One Albania, Vodafone Albania |
| Armenia | Team Telecom Armenia, Ucom, VIVA |
| Angola | Africell, Movicel, Unitel |
| Argentina | Claro, Movistar, Personal |
| Samoa Americana | American Samoa Telecommunications Authority (ASTCA), Blue Sky Communications |
| Austria | A1, Drei, Magenta Telekom |
| Australia | Optus, Telstra, Vodafone AU |
| Aruba | Digicel, MIO, SetarNV |
| Islas Åland | Alcom |
| Azerbaiyán | Azercell, Bakcell, Nar, Nakhtel |
| Bosnia y Herzegovina | BH Mobile, m:tel, HT ERONET |
| Barbados | Digicel, FLOW |
| Bangladesh | Banglalink, Grameenphone, Robi, Teletalk |
| Bélgica | Base, Orange, Proximus |
| Burkina Faso | Orange, Telecel Faso, Telmob |
| Bulgaria | A1, Vivacom, Yettel |
| Baréin | Batelco, stc, Zain |
| Burundi | Lumitel, Econet Leo, ONAMOB, Smart Mobile |
| Benín | BBcom, Glo, Libercom, Moov, MTN |
| Bermudas | Digicel, One |
| Brunei Darussalam | Datastream Technology Sdn Bhd (DST), Progresif Cellular Sdn Bhd |
| Bolivia (Estado Plurinacional de) | Entel, Tigo, Viva |
| Bonaire, Sint Eustatius y Saba | Digicel, FLOW |
| Brasil | Algar Telecom, Claro, Surf, TIM, Vivo |
| Bahamas | Aliv, BTC |
| Bután | B-Mobile, TashiCell |
| Botsuana | btc, Mascom, Orange |
| Bielorrusia | A1, Life, MTS |
| Belice | Digi, Smart |
| Canadá | Bell, Rogers, SaskTel, Telus, Videotron |
| Islas Cocos (Keeling) | IOTT |
| Congo (República Democrática del) | Africell, Airtel, Orange, Vodacom |
| República Centroafricana | azur, Moov Africa, Orange, telecel |
| Congo | Airtel, Azur, MTN |
| Suiza | Salt, Sunrise, Swisscom |
| Costa de Marfil | GreenN, Koz, Orange, MTN, Moov |
| Islas Cook | Vodafone |
| Chile | Claro, Entel, Movistar, WOM |
| Camerún | Camtel, MTN, Nexttel, Orange |
| China | China Mobile, China Telecom, China Unicom, China Broadnet |
| Colombia | Claro, Movistar, Tigo, WOM |
| Costa Rica | Kolbi, Liberty, Claro |
| Cuba | Cubacel |
| Cabo Verde | CV Movel, T-MAIS |
| Curazao | Digicel, FLOW |
| Chipre | Cablenet, Cytamobile-Vodafone, Epic, PrimeTel |
| Chequia | T-Mobile, O2, Vodafone |
| Alemania | Telekom, O2, Vodafone, 1&1 Mobilfunk |
| Djibouti | Evatis |
| Dinamarca | TDC, Telenor, Telia, 3 |
| Dominica | Digicel, FLOW |
| República Dominicana | altice, Claro, Viva |
| Argelia | Djezzy, Mobilis, Ooredoo |
| Ecuador | Claro, Cnt, Movistar |
| Estonia | Elisa, Telia, Tele2 |
| Egipto | Etisalat, Vodafone Egypt, Orange, We |
| Eritrea | Eritel |
| España | Movistar, Orange, Vodafone, Yoigo |
| Etiopía | Ethiotelecom, Safaricom Telecommunications Ethiopia |
| Finlandia | Elisa, Telia, DNA |
| Fiyi | Vodafone, Digicel |
| Islas Malvinas | Sure |
| Micronesia (Estados Federados de) | FSM Telecom |
| Islas Faroe | Foroya Tele, Nema, Tosa |
| Francia | Bouygues Telecom, Free Mobile, Orange, SFR |
| Gabón | Airtel, Moov Africa Gabon Telecom |
| Reino Unido de Gran Bretaña e Irlanda del Norte | EE, O2, Three, Vodafone |
| Granada | Digicel, FLOW |
| Georgia | Cellfie, Magticom, Silknet |
| Guayana Francesa | Digicel, Orange Caraibe, SFR Caraibe |
| Guernsey | Airtel-Vodafone, JT, Sure |
| Ghana | AirtelTigo, Glo, MTN, Vodafone Ghana |
| Gibraltar | Gibtelecom |
| Groenlandia | tusass |
| Gambia | Africell, Comium, Gamcel, Qcell |
| Guinea | Cellcom Guinée, Intercel, MTN, Orange, Sotelgui |
| Guadalupe | Digicel, Orange |
| Guinea Ecuatorial | Gecomsa, Muni, Orange |
| Grecia | COSMOTE, NOVA, Vodafone |
| Guatemala | Claro, Tigo |
| Guam | Docomo Pacific, GTA, IT&E and Iconnect |
| Guinea-Bisáu | Guinetel, MTN, Orange |
| Guayana | Digicel, gtt |
| Hong Kong | CMHK, csl, SmarTone, 3 |
| Honduras | Claro, HONDUTEL, Tigo |
| Croacia | A1, Hrvatski Telekom, Telemach |
| Haití | Digicel, NATCOM |
| Hungría | Magyar Telekom, Yettel, Vodafone |
| Indonesia | Indosat Ooredoo Hutchison, Smartfren, Telkomsel, XL Axiata |
| Irlanda | eir, Vodafone, 3 |
| Israel | Cellcom, Golan Telecom, Hot Mobile, Partner, Pelephone, XFONE |
| Isla de Man | Manx Telecom, Sure |
| India | Airtel, BSNL, Jio, MTNL, Vi |
| Irak | Asia Cell, Korek, Zain |
| Irán (República Islámica de) | Hamrahe Aval, Irancell, RighTel |
| Islandia | Siminn, Nova, Vodafone |
| Italia | Wind Tre, TIM, Vodafone, Iliad, FASTWEB |
| Jersey | Airtel-Vodafone, JT, Sure |
| Jamaica | Digicel, FLOW |
| Jordania | Orange Jordan, Umniah, Zain Jordan |
| Japón | au, NTT Docomo, Rakuten Mobile, SoftBank Corp. & Ymobile |
| Kenia | Airtel Kenya, Jamii Telecommunications, Safaricom, Telkom Kenya |
| Kirguistán | Beeline, Fonex, iTel, Katel, MegaCom, Nexi, O!, Sapat Mobile, Saima Telecom |
| Camboya | Cellcard, Metfone, Smart |
| Kiribati | Oceanlink, Vodafone Kiribati |
| Comoras | HURI, Telma |
| Santa Lucía y Nevis | Digicel, FLOW |
| Corea (República Popular Democrática de) | Koryolink, Kangsong NET |
| Corea (República de) | SK Telecom, LG U+, KT |
| Kuwait | Ooredoo, Saudi Telecom Company, Zain |
| Islas Caimán | Digicel, FLOW Cayman |
| Kazajistán | Beeline, Kcell, Tele2 Kazakhstan |
| República Democrática Popular Lao | ETL, Lao Telecom, TPLUS, Unitel |
| Líbano | Alfa, touch |
| Santa Lucía | Digicel, FLOW |
| Liechtenstein | FL1, Swisscom FL, 7acht |
| Sri Lanka | Dialog, Hutch, SLTMobitel |
| Liberia | Lonestar Cell MTN, LTC Mobile, Novafone, Orange |
| Lesoto | Econet Telecom Lesotho, Vodacom |
| Lituania | Bite, Tele2, Telia Lietuva |
| Luxemburgo | Orange, POST, Tango, Vodafone |
| Letonia | Bite, LMT, Tele2, Triatel, Xomobile |
| Libia | Almadar Aljadid, Libyana |
| Marruecos | inwi, Maroc Telecom, Orange Morocco |
| Mónaco | Monaco Telecom |
| Moldova (República de) | Interdnestrcom, Moldcell, Orange |
| Montenegro | m:tel, Crnogorski Telekom, One Montenegro |
| San Martín (Parte Francesa) | Dauphin Telecom, Digicel |
| Madagascar | Airtel, Blueline, Orange, Telma Mobile |
| Islas Marshall | NTA |
| Macedonia del Norte | A1, Telekom |
| Malí | Moov Africa Malitel, Orange, Planor |
| Myanmar | ATOM, MPT, Mytel, Ooredoo |
| Mongolia | G-Mobile, Skytel, Unitel |
| Macao | China Telecom, CTM, SmarTone MAC, 3 Macau |
| Islas Marianas del Norte | Docomo Pacific, IT&E |
| Martinica | Digicel, Orange, SFR |
| Mauritania | Chinguitel, MATTEL, Moov Mauritel |
| Montserrat | Digicel, FLOW |
| Malta | Epic, GO, Melita |
| Mauricio | CHiLi, Emtel, Mauritius Telecom |
| Maldivas | Dhiraagu, Ooredoo Maldives |
| Malaui | Access, Airtel, G-Expresso, G-Mobile, Lacell, MTL, TNM |
| México | AT&T Mexico, Telcel, Movistar, Red Compartida |
| Malasia | CelcomDigi, Maxis, Unifi Mobile, U Mobile, Yes |
| Mozambique | Movitel, Tmcel, Vodacom |
| Namibia | MTC, TN Mobile |
| Nueva Caledonia | Mobilis |
| Níger | Airtel, Moov Africa Niger, Niger Telecoms, Zamani Telecom |
| Isla Norfolk | Norfolk Telecom |
| Nigeria | Airtel, Glo Mobile, MTN, 9mobile |
| Nicaragua | Claro, Tigo |
| Países Bajos | KPN, Odido, Vodafone |
| Noruega | Ice, Telenor, Telia |
| Nepal | Ncell, Nepal Telecom, SmartCell |
| Nauru | Digicel |
| Niue | Telecom Niue |
| Nueva Zelanda | One NZ, Spark, 2degrees |
| Omán | Omantel, Ooredoo |
| Panamá | Claro, Digicel, Tigo, +movil |
| Perú | Bitel, Claro, Entel, Movistar |
| Polinesia Francesa | VINI, Vodafone, VITI |
| Papúa Nueva Guinea | BMobile, Digicel, Telikom PNG |
| Filipinas | Dito Telecommunity, Globe Telecom, Smart Communications, Now Telecom |
| Pakistán | Jazz, Telenor Pakistan, Ufone, Zong |
| Polonia | Orange, Play, Plus, T-Mobile |
| San Pedro y Miquelón | Spm Telecom |
| Puerto Rico | Claro, Liberty, T-Mobile |
| Palestina, Estado de | Jawwal, Ooredoo |
| Portugal | MEO, NOS, Vodafone |
| Palaos | PalauCel |
| Paraguay | Claro, Personal, Tigo, VOX |
| Catar | Ooredoo, Vodafone |
| Reunión | FREE, Orange, SFR |
| Rumanía | Digi, Orange, Telekom, Vodafone |
| Serbia | A1, MTS, Yettel |
| Federación Rusa | Beeline, MegaFon, MTS, Tele2 Russia |
| Ruanda | Airtel, MTN Rwanda |
| Arabia Saudita | Lebara Mobile KSA, Mobily, stc, Virgin mobile KSA, Zain |
| Islas Salomón | Our Telekom |
| Seychelles | Airtel, Cable & Wireless |
| Sudán | MTN, Sudani, Zain |
| Suecia | Telenor, Tele2, Telia, Tre |
| Singapur | GRID Communications, M1, SIMBA, Singtel Mobile, StarHub |
| Santa Elena, Ascensión y Tristan de Acuña | Sure |
| Eslovenia | A1, Telekom Slovenije, Telemach, T-2 |
| Eslovaquia | O2, Telekom, Orange |
| Sierra Leona | Africell, Comium, GreenN, Orange, Qcell, Sierratel |
| San Marino | Telecom Italia San Marino, Telefonia Mobile Sammarinese, Prima |
| Senegal | Expresso, Free, Hayo Telecom, Orange |
| Somalia | Golis Telecom Somalia, Hormuud, Nationlink, Netco, Somtel, Somafone, SomNet, Telcom Somalia, Telesom Mobile |
| Surinam | Digicel, Telesur |
| Sudán del Sur | Gemtel, MTN, Sudani, Vivacell, Zain |
| Santo Tomé y Príncipe | CST |
| El Salvador | Claro, Digicel, Movistar, RED, Tigo |
| República Árabe Siria | MTN, Syriatel |
| Eswatini | Eswatini Mobile, MTN |
| Islas Turcas y Caicos | Digicel, FLOW |
| Chad | Airtel, Moov |
| Togo | Moov Africa Togo, Togocel |
| Tailandia | AIS, my by NT, NT Mobile, True |
| Tayikistán | Megafon, TCell, ZET-Mobile, Babilon Mobile |
| Tokelau | TELETOK |
| Timor-Leste | Telemor, Timor Telecom, Telkomcel |
| Turkmenistán | TM CELL, ASTU |
| Túnez | Ooredoo, Tunisie Telecom, Orange |
| Tonga | Digicel, TCC |
| Turquía | Turkcell, Vodafone Turkey, Turk Telekom |
| Trinidad y Tobago | bmobile, Digicel |
| Tuvalu | TTC |
| Taiwán (Provincia de China) | Chunghwa Telecom, Taiwan Mobile, Far EasTone |
| Tanzania, República Unida de | Vodacom, Airtel, Tigo, Halotel, Zantel |
| Ucrania | Kyivstar, Vodafone, lifecell, Intertelecom, TriMob, PEOPLEnet |
| Uganda | MTN Uganda, Airtel Uganda, Smile Telecom, Lycamobile |
| Estados Unidos de América | Verizon, T-Mobile, AT&T, Boost Mobile, U.S. Cellular |
| Uruguay | Antel, Claro, Movistar |
| Uzbekistán | Beeline, Mobi.UZ, UCell |
| San Vicente y las Granadinas | Digicel, FLOW |
| Venezuela (República Bolivariana de) | Digitel GSM, Movilnet, Movistar |
| Islas Vírgenes (británicas) | CCT, Digicel, FLOW |
| Islas Vírgenes (EE. UU.) | Claro, Liberty, T-Mobile |
| Viet Nam | Gmobile, MobiFone, Vietnamobile, Viettel Mobile, Vinaphone |
| Vanuatu | Vodafone Vanuatu, Digicel |
| Wallis y Futuna | Manuia |
| Samoa | Digicel, Vodafone Samoa |
| Yemen | Sabafon, Yemen Mobile, YOU, Y Telecom |
| Mayotte | Free Mayotte, Orange Mayotte, SFR Mayotte, Telma Mayotte |
| Sudáfrica | Cell C, MTN, Rain, Telkom, Vodacom |
| Zambia | Airtel, MTN, Zamtel |
| Zimbabue | Econet, NetOne, telecel |