| Andorra | Andorra Telecom |
| Vereinigte Arabische Emirate | du, Etisalat |
| Afghanistan | Afghan Wireless, Etisalat Afghanistan, MTN, Roshan, Salaam |
| Antigua und Barbuda | Digicel, FLOW |
| Anguilla | Digicel, FLOW |
| Albanien | One Albania, Vodafone Albania |
| Armenien | Team Telecom Armenia, Ucom, VIVA |
| Angola | Africell, Movicel, Unitel |
| Argentinien | Claro, Movistar, Personal |
| Amerikanisch-Samoa | American Samoa Telecommunications Authority (ASTCA), Blue Sky Communications |
| Österreich | A1, Drei, Magenta Telekom |
| Australien | Optus, Telstra, Vodafone AU |
| Aruba | Digicel, MIO, SetarNV |
| Alandinseln | Alcom |
| Aserbaidschan | Azercell, Bakcell, Nar, Nakhtel |
| Bosnien und Herzegowina | BH Mobile, m:tel, HT ERONET |
| Barbados | Digicel, FLOW |
| Bangladesch | Banglalink, Grameenphone, Robi, Teletalk |
| Belgien | Base, Orange, Proximus |
| Burkina Faso | Orange, Telecel Faso, Telmob |
| Bulgarien | A1, Vivacom, Yettel |
| Bahrain | Batelco, stc, Zain |
| Burundi | Lumitel, Econet Leo, ONAMOB, Smart Mobile |
| Benin | BBcom, Glo, Libercom, Moov, MTN |
| Bermuda | Digicel, One |
| Brunei Darussalam | Datastream Technology Sdn Bhd (DST), Progresif Cellular Sdn Bhd |
| Bolivien | Entel, Tigo, Viva |
| Bonaire, Sint Eustatius und Saba | Digicel, FLOW |
| Brasilien | Algar Telecom, Claro, Surf, TIM, Vivo |
| Bahamas | Aliv, BTC |
| Bhutan | B-Mobile, TashiCell |
| Botsuana | btc, Mascom, Orange |
| Belarus | A1, Life, MTS |
| Belize | Digi, Smart |
| Kanada | Bell, Rogers, SaskTel, Telus, Videotron |
| Kokosinseln | IOTT |
| Kongo, Demokratische Republik (ehem. Zaire) | Africell, Airtel, Orange, Vodacom |
| Zentralafrikanische Republik | azur, Moov Africa, Orange, telecel |
| Republik Kongo | Airtel, Azur, MTN |
| Schweiz | Salt, Sunrise, Swisscom |
| Côte d’Ivoire | GreenN, Koz, Orange, MTN, Moov |
| Cookinseln | Vodafone |
| Chile | Claro, Entel, Movistar, WOM |
| Kamerun | Camtel, MTN, Nexttel, Orange |
| China, Volksrepublik | China Mobile, China Telecom, China Unicom, China Broadnet |
| Kolumbien | Claro, Movistar, Tigo, WOM |
| Costa Rica | Kolbi, Liberty, Claro |
| Kuba | Cubacel |
| Kap Verde | CV Movel, T-MAIS |
| Curaçao | Digicel, FLOW |
| Zypern | Cablenet, Cytamobile-Vodafone, Epic, PrimeTel |
| Tschechien | T-Mobile, O2, Vodafone |
| Deutschland | Telekom, O2, Vodafone, 1&1 Mobilfunk |
| Dschibuti | Evatis |
| Dänemark | TDC, Telenor, Telia, 3 |
| Dominica | Digicel, FLOW |
| Dominikanische Republik | altice, Claro, Viva |
| Algerien | Djezzy, Mobilis, Ooredoo |
| Ecuador | Claro, Cnt, Movistar |
| Estland | Elisa, Telia, Tele2 |
| Ägypten | Etisalat, Vodafone Egypt, Orange, We |
| Eritrea | Eritel |
| Spanien | Movistar, Orange, Vodafone, Yoigo |
| Äthiopien | Ethiotelecom, Safaricom Telecommunications Ethiopia |
| Finnland | Elisa, Telia, DNA |
| Fidschi | Vodafone, Digicel |
| Falklandinseln | Sure |
| Mikronesien | FSM Telecom |
| Färöer | Foroya Tele, Nema, Tosa |
| Frankreich | Bouygues Telecom, Free Mobile, Orange, SFR |
| Gabun | Airtel, Moov Africa Gabon Telecom |
| Vereinigtes Königreich Großbritannien und Nordirland | EE, O2, Three, Vodafone |
| Grenada | Digicel, FLOW |
| Georgien | Cellfie, Magticom, Silknet |
| Französisch-Guayana | Digicel, Orange Caraibe, SFR Caraibe |
| Guernsey | Airtel-Vodafone, JT, Sure |
| Ghana | AirtelTigo, Glo, MTN, Vodafone Ghana |
| Gibraltar | Gibtelecom |
| Grönland | tusass |
| Gambia | Africell, Comium, Gamcel, Qcell |
| Guinea | Cellcom Guinée, Intercel, MTN, Orange, Sotelgui |
| Guadeloupe | Digicel, Orange |
| Äquatorialguinea | Gecomsa, Muni, Orange |
| Griechenland | COSMOTE, NOVA, Vodafone |
| Guatemala | Claro, Tigo |
| Guam | Docomo Pacific, GTA, IT&E and Iconnect |
| Guinea-Bissau | Guinetel, MTN, Orange |
| Guyana | Digicel, gtt |
| Sonderverwaltungszone Hongkong | CMHK, csl, SmarTone, 3 |
| Honduras | Claro, HONDUTEL, Tigo |
| Kroatien | A1, Hrvatski Telekom, Telemach |
| Haiti | Digicel, NATCOM |
| Ungarn | Magyar Telekom, Yettel, Vodafone |
| Indonesien | Indosat Ooredoo Hutchison, Smartfren, Telkomsel, XL Axiata |
| Irland | eir, Vodafone, 3 |
| Israel | Cellcom, Golan Telecom, Hot Mobile, Partner, Pelephone, XFONE |
| Isle of Man | Manx Telecom, Sure |
| Indien | Airtel, BSNL, Jio, MTNL, Vi |
| Irak | Asia Cell, Korek, Zain |
| Iran, Islamische Republik | Hamrahe Aval, Irancell, RighTel |
| Island | Siminn, Nova, Vodafone |
| Italien | Wind Tre, TIM, Vodafone, Iliad, FASTWEB |
| Jersey | Airtel-Vodafone, JT, Sure |
| Jamaika | Digicel, FLOW |
| Jordanien | Orange Jordan, Umniah, Zain Jordan |
| Japan | au, NTT Docomo, Rakuten Mobile, SoftBank Corp. & Ymobile |
| Kenia | Airtel Kenya, Jamii Telecommunications, Safaricom, Telkom Kenya |
| Kirgisistan | Beeline, Fonex, iTel, Katel, MegaCom, Nexi, O!, Sapat Mobile, Saima Telecom |
| Kambodscha | Cellcard, Metfone, Smart |
| Kiribati | Oceanlink, Vodafone Kiribati |
| Komoren | HURI, Telma |
| St. Kitts und Nevis | Digicel, FLOW |
| Korea, Demokratische Volksrepublik (Nordkorea) | Koryolink, Kangsong NET |
| Korea, Republik (Südkorea) | SK Telecom, LG U+, KT |
| Kuwait | Ooredoo, Saudi Telecom Company, Zain |
| Kaimaninseln | Digicel, FLOW Cayman |
| Kasachstan | Beeline, Kcell, Tele2 Kazakhstan |
| Laos, Demokratische Volksrepublik | ETL, Lao Telecom, TPLUS, Unitel |
| Libanon | Alfa, touch |
| St. Lucia | Digicel, FLOW |
| Liechtenstein | FL1, Swisscom FL, 7acht |
| Sri Lanka | Dialog, Hutch, SLTMobitel |
| Liberia | Lonestar Cell MTN, LTC Mobile, Novafone, Orange |
| Lesotho | Econet Telecom Lesotho, Vodacom |
| Litauen | Bite, Tele2, Telia Lietuva |
| Luxemburg | Orange, POST, Tango, Vodafone |
| Lettland | Bite, LMT, Tele2, Triatel, Xomobile |
| Libyen | Almadar Aljadid, Libyana |
| Marokko | inwi, Maroc Telecom, Orange Morocco |
| Monaco | Monaco Telecom |
| Republik Moldau | Interdnestrcom, Moldcell, Orange |
| Montenegro | m:tel, Crnogorski Telekom, One Montenegro |
| Saint-Martin (franz. Teil) | Dauphin Telecom, Digicel |
| Madagaskar | Airtel, Blueline, Orange, Telma Mobile |
| Marshallinseln | NTA |
| Mazedonien | A1, Telekom |
| Mali | Moov Africa Malitel, Orange, Planor |
| Myanmar | ATOM, MPT, Mytel, Ooredoo |
| Mongolei | G-Mobile, Skytel, Unitel |
| Sonderverwaltungszone Macao | China Telecom, CTM, SmarTone MAC, 3 Macau |
| Nördliche Marianen | Docomo Pacific, IT&E |
| Martinique | Digicel, Orange, SFR |
| Mauretanien | Chinguitel, MATTEL, Moov Mauritel |
| Montserrat | Digicel, FLOW |
| Malta | Epic, GO, Melita |
| Mauritius | CHiLi, Emtel, Mauritius Telecom |
| Malediven | Dhiraagu, Ooredoo Maldives |
| Malawi | Access, Airtel, G-Expresso, G-Mobile, Lacell, MTL, TNM |
| Mexiko | AT&T Mexico, Telcel, Movistar, Red Compartida |
| Malaysia | CelcomDigi, Maxis, Unifi Mobile, U Mobile, Yes |
| Mosambik | Movitel, Tmcel, Vodacom |
| Namibia | MTC, TN Mobile |
| Neukaledonien | Mobilis |
| Niger | Airtel, Moov Africa Niger, Niger Telecoms, Zamani Telecom |
| Norfolkinsel | Norfolk Telecom |
| Nigeria | Airtel, Glo Mobile, MTN, 9mobile |
| Nicaragua | Claro, Tigo |
| Niederlande | KPN, Odido, Vodafone |
| Norwegen | Ice, Telenor, Telia |
| Nepal | Ncell, Nepal Telecom, SmartCell |
| Nauru | Digicel |
| Niue | Telecom Niue |
| Neuseeland | One NZ, Spark, 2degrees |
| Oman | Omantel, Ooredoo |
| Panama | Claro, Digicel, Tigo, +movil |
| Peru | Bitel, Claro, Entel, Movistar |
| Französisch-Polynesien | VINI, Vodafone, VITI |
| Papua-Neuguinea | BMobile, Digicel, Telikom PNG |
| Philippinen | Dito Telecommunity, Globe Telecom, Smart Communications, Now Telecom |
| Pakistan | Jazz, Telenor Pakistan, Ufone, Zong |
| Polen | Orange, Play, Plus, T-Mobile |
| Saint-Pierre und Miquelon | Spm Telecom |
| Puerto Rico | Claro, Liberty, T-Mobile |
| Staat Palästina | Jawwal, Ooredoo |
| Portugal | MEO, NOS, Vodafone |
| Palau | PalauCel |
| Paraguay | Claro, Personal, Tigo, VOX |
| Katar | Ooredoo, Vodafone |
| Réunion | FREE, Orange, SFR |
| Rumänien | Digi, Orange, Telekom, Vodafone |
| Serbien | A1, MTS, Yettel |
| Russische Föderation | Beeline, MegaFon, MTS, Tele2 Russia |
| Ruanda | Airtel, MTN Rwanda |
| Saudi-Arabien | Lebara Mobile KSA, Mobily, stc, Virgin mobile KSA, Zain |
| Salomonen | Our Telekom |
| Seychellen | Airtel, Cable & Wireless |
| Sudan | MTN, Sudani, Zain |
| Schweden | Telenor, Tele2, Telia, Tre |
| Singapur | GRID Communications, M1, SIMBA, Singtel Mobile, StarHub |
| St. Helena | Sure |
| Slowenien | A1, Telekom Slovenije, Telemach, T-2 |
| Slowakei | O2, Telekom, Orange |
| Sierra Leone | 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 |
| Suriname | Digicel, Telesur |
| Südsudan | Gemtel, MTN, Sudani, Vivacell, Zain |
| São Tomé und Príncipe | CST |
| El Salvador | Claro, Digicel, Movistar, RED, Tigo |
| Syrien, Arabische Republik | MTN, Syriatel |
| Swasiland | Eswatini Mobile, MTN |
| Turks- und Caicosinseln | Digicel, FLOW |
| Tschad | Airtel, Moov |
| Togo | Moov Africa Togo, Togocel |
| Thailand | AIS, my by NT, NT Mobile, True |
| Tadschikistan | Megafon, TCell, ZET-Mobile, Babilon Mobile |
| Tokelau | TELETOK |
| Osttimor | Telemor, Timor Telecom, Telkomcel |
| Turkmenistan | TM CELL, ASTU |
| Tunesien | Ooredoo, Tunisie Telecom, Orange |
| Tonga | Digicel, TCC |
| Türkei | Turkcell, Vodafone Turkey, Turk Telekom |
| Trinidad und Tobago | bmobile, Digicel |
| Tuvalu | TTC |
| Republik China (Taiwan) | Chunghwa Telecom, Taiwan Mobile, Far EasTone |
| Tansania, Vereinigte Republik | Vodacom, Airtel, Tigo, Halotel, Zantel |
| Ukraine | Kyivstar, Vodafone, lifecell, Intertelecom, TriMob, PEOPLEnet |
| Uganda | MTN Uganda, Airtel Uganda, Smile Telecom, Lycamobile |
| Vereinigte Staaten von Amerika | Verizon, T-Mobile, AT&T, Boost Mobile, U.S. Cellular |
| Uruguay | Antel, Claro, Movistar |
| Usbekistan | Beeline, Mobi.UZ, UCell |
| St. Vincent und die Grenadinen | Digicel, FLOW |
| Venezuela | Digitel GSM, Movilnet, Movistar |
| Britische Jungferninseln | CCT, Digicel, FLOW |
| Amerikanische Jungferninseln | Claro, Liberty, T-Mobile |
| Vietnam | Gmobile, MobiFone, Vietnamobile, Viettel Mobile, Vinaphone |
| Vanuatu | Vodafone Vanuatu, Digicel |
| Wallis und Futuna | Manuia |
| Samoa | Digicel, Vodafone Samoa |
| Jemen | Sabafon, Yemen Mobile, YOU, Y Telecom |
| Mayotte | Free Mayotte, Orange Mayotte, SFR Mayotte, Telma Mayotte |
| Südafrika | Cell C, MTN, Rain, Telkom, Vodacom |
| Sambia | Airtel, MTN, Zamtel |
| Simbabwe | Econet, NetOne, telecel |