| Andorra | Andorra Telecom |
| Emirati Arabi Uniti | du, Etisalat |
| Afghanistan | Afghan Wireless, Etisalat Afghanistan, MTN, Roshan, Salaam |
| Antigua e Barbuda | Digicel, FLOW |
| Anguilla | Digicel, FLOW |
| Albania | One Albania, Vodafone Albania |
| Armenia | Team Telecom Armenia, Ucom, VIVA |
| Angola | Africell, Movicel, Unitel |
| Argentina | Claro, Movistar, Personal |
| Samoa Americane | American Samoa Telecommunications Authority (ASTCA), Blue Sky Communications |
| Austria | A1, Drei, Magenta Telekom |
| Australia | Optus, Telstra, Vodafone AU |
| Aruba | Digicel, MIO, SetarNV |
| Isole Aland | Alcom |
| Azerbaigian | Azercell, Bakcell, Nar, Nakhtel |
| Bosnia ed Erzegovina | BH Mobile, m:tel, HT ERONET |
| Barbados | Digicel, FLOW |
| Bangladesh | Banglalink, Grameenphone, Robi, Teletalk |
| Belgio | Base, Orange, Proximus |
| Burkina Faso | Orange, Telecel Faso, Telmob |
| Bulgaria | A1, Vivacom, Yettel |
| Bahrein | Batelco, stc, Zain |
| Burundi | Lumitel, Econet Leo, ONAMOB, Smart Mobile |
| Benin | BBcom, Glo, Libercom, Moov, MTN |
| Bermuda | Digicel, One |
| Brunei | Datastream Technology Sdn Bhd (DST), Progresif Cellular Sdn Bhd |
| Bolivia | Entel, Tigo, Viva |
| Isole BES | Digicel, FLOW |
| Brasile | Algar Telecom, Claro, Surf, TIM, Vivo |
| Bahamas | Aliv, BTC |
| Bhutan | B-Mobile, TashiCell |
| Botswana | btc, Mascom, Orange |
| Bielorussia | A1, Life, MTS |
| Belize | Digi, Smart |
| Canada | Bell, Rogers, SaskTel, Telus, Videotron |
| Isole Cocos (Keeling) | IOTT |
| Repubblica Democratica del Congo | Africell, Airtel, Orange, Vodacom |
| Repubblica Centrafricana | azur, Moov Africa, Orange, telecel |
| Repubblica del Congo | Airtel, Azur, MTN |
| Svizzera | Salt, Sunrise, Swisscom |
| Costa d’Avorio | GreenN, Koz, Orange, MTN, Moov |
| Isole Cook | Vodafone |
| Cile | Claro, Entel, Movistar, WOM |
| Camerun | Camtel, MTN, Nexttel, Orange |
| Cina | China Mobile, China Telecom, China Unicom, China Broadnet |
| Colombia | Claro, Movistar, Tigo, WOM |
| Costa Rica | Kolbi, Liberty, Claro |
| Cuba | Cubacel |
| Capo Verde | CV Movel, T-MAIS |
| Curaçao | Digicel, FLOW |
| Cipro | Cablenet, Cytamobile-Vodafone, Epic, PrimeTel |
| Repubblica Ceca | T-Mobile, O2, Vodafone |
| Germania | Telekom, O2, Vodafone, 1&1 Mobilfunk |
| Gibuti | Evatis |
| Danimarca | TDC, Telenor, Telia, 3 |
| Dominica | Digicel, FLOW |
| Repubblica Dominicana | altice, Claro, Viva |
| Algeria | Djezzy, Mobilis, Ooredoo |
| Ecuador | Claro, Cnt, Movistar |
| Estonia | Elisa, Telia, Tele2 |
| Egitto | Etisalat, Vodafone Egypt, Orange, We |
| Eritrea | Eritel |
| Spagna | Movistar, Orange, Vodafone, Yoigo |
| Etiopia | Ethiotelecom, Safaricom Telecommunications Ethiopia |
| Finlandia | Elisa, Telia, DNA |
| Figi | Vodafone, Digicel |
| Isole Falkland | Sure |
| Micronesia | FSM Telecom |
| Isole Faroe | Foroya Tele, Nema, Tosa |
| Francia | Bouygues Telecom, Free Mobile, Orange, SFR |
| Gabon | Airtel, Moov Africa Gabon Telecom |
| Regno Unito | EE, O2, Three, Vodafone |
| Grenada | Digicel, FLOW |
| Georgia | Cellfie, Magticom, Silknet |
| Guiana Francese | Digicel, Orange Caraibe, SFR Caraibe |
| Guernsey | Airtel-Vodafone, JT, Sure |
| Ghana | AirtelTigo, Glo, MTN, Vodafone Ghana |
| Gibilterra | Gibtelecom |
| Groenlandia | tusass |
| Gambia | Africell, Comium, Gamcel, Qcell |
| Guinea | Cellcom Guinée, Intercel, MTN, Orange, Sotelgui |
| Guadalupa | Digicel, Orange |
| Guinea Equatoriale | Gecomsa, Muni, Orange |
| Grecia | COSMOTE, NOVA, Vodafone |
| Guatemala | Claro, Tigo |
| Guam | Docomo Pacific, GTA, IT&E and Iconnect |
| Guinea-Bissau | Guinetel, MTN, Orange |
| Guyana | Digicel, gtt |
| Regione Amministrativa Speciale di Hong Kong della Repubblica Popolare Cinese | CMHK, csl, SmarTone, 3 |
| Honduras | Claro, HONDUTEL, Tigo |
| Croazia | A1, Hrvatski Telekom, Telemach |
| Haiti | Digicel, NATCOM |
| Ungheria | Magyar Telekom, Yettel, Vodafone |
| Indonesia | Indosat Ooredoo Hutchison, Smartfren, Telkomsel, XL Axiata |
| Irlanda | eir, Vodafone, 3 |
| Israele | Cellcom, Golan Telecom, Hot Mobile, Partner, Pelephone, XFONE |
| Isola di Man | Manx Telecom, Sure |
| India | Airtel, BSNL, Jio, MTNL, Vi |
| Iraq | Asia Cell, Korek, Zain |
| Iran | Hamrahe Aval, Irancell, RighTel |
| Islanda | Siminn, Nova, Vodafone |
| Italia | Wind Tre, TIM, Vodafone, Iliad, FASTWEB |
| Jersey | Airtel-Vodafone, JT, Sure |
| Giamaica | Digicel, FLOW |
| Giordania | Orange Jordan, Umniah, Zain Jordan |
| Giappone | au, NTT Docomo, Rakuten Mobile, SoftBank Corp. & Ymobile |
| Kenya | Airtel Kenya, Jamii Telecommunications, Safaricom, Telkom Kenya |
| Kirghizistan | Beeline, Fonex, iTel, Katel, MegaCom, Nexi, O!, Sapat Mobile, Saima Telecom |
| Cambogia | Cellcard, Metfone, Smart |
| Kiribati | Oceanlink, Vodafone Kiribati |
| Comore | HURI, Telma |
| Saint Kitts e Nevis | Digicel, FLOW |
| Corea del Nord | Koryolink, Kangsong NET |
| Corea del Sud | SK Telecom, LG U+, KT |
| Kuwait | Ooredoo, Saudi Telecom Company, Zain |
| Isole Cayman | Digicel, FLOW Cayman |
| Kazakistan | Beeline, Kcell, Tele2 Kazakhstan |
| Laos | ETL, Lao Telecom, TPLUS, Unitel |
| Libano | Alfa, touch |
| Saint 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 |
| Lituania | Bite, Tele2, Telia Lietuva |
| Lussemburgo | Orange, POST, Tango, Vodafone |
| Lettonia | Bite, LMT, Tele2, Triatel, Xomobile |
| Libia | Almadar Aljadid, Libyana |
| Marocco | inwi, Maroc Telecom, Orange Morocco |
| Monaco | Monaco Telecom |
| Moldavia | Interdnestrcom, Moldcell, Orange |
| Montenegro | m:tel, Crnogorski Telekom, One Montenegro |
| Saint-Martin (Francia) | Dauphin Telecom, Digicel |
| Madagascar | Airtel, Blueline, Orange, Telma Mobile |
| Isole Marshall | NTA |
| Repubblica di Macedonia | A1, Telekom |
| Mali | Moov Africa Malitel, Orange, Planor |
| Birmania | ATOM, MPT, Mytel, Ooredoo |
| Mongolia | G-Mobile, Skytel, Unitel |
| Regione Amministrativa Speciale di Macao della Repubblica Popolare Cinese | China Telecom, CTM, SmarTone MAC, 3 Macau |
| Isole Marianne Settentrionali | Docomo Pacific, IT&E |
| Martinica | Digicel, Orange, SFR |
| Mauritania | Chinguitel, MATTEL, Moov Mauritel |
| Montserrat | Digicel, FLOW |
| Malta | Epic, GO, Melita |
| Maurizio | CHiLi, Emtel, Mauritius Telecom |
| Maldive | Dhiraagu, Ooredoo Maldives |
| Malawi | Access, Airtel, G-Expresso, G-Mobile, Lacell, MTL, TNM |
| Messico | AT&T Mexico, Telcel, Movistar, Red Compartida |
| Malesia | CelcomDigi, Maxis, Unifi Mobile, U Mobile, Yes |
| Mozambico | Movitel, Tmcel, Vodacom |
| Namibia | MTC, TN Mobile |
| Nuova Caledonia | Mobilis |
| Niger | Airtel, Moov Africa Niger, Niger Telecoms, Zamani Telecom |
| Isola Norfolk | Norfolk Telecom |
| Nigeria | Airtel, Glo Mobile, MTN, 9mobile |
| Nicaragua | Claro, Tigo |
| Paesi Bassi | KPN, Odido, Vodafone |
| Norvegia | Ice, Telenor, Telia |
| Nepal | Ncell, Nepal Telecom, SmartCell |
| Nauru | Digicel |
| Niue | Telecom Niue |
| Nuova Zelanda | One NZ, Spark, 2degrees |
| Oman | Omantel, Ooredoo |
| Panama | Claro, Digicel, Tigo, +movil |
| Perù | Bitel, Claro, Entel, Movistar |
| Polinesia Francese | VINI, Vodafone, VITI |
| Papua Nuova Guinea | BMobile, Digicel, Telikom PNG |
| Filippine | Dito Telecommunity, Globe Telecom, Smart Communications, Now Telecom |
| Pakistan | Jazz, Telenor Pakistan, Ufone, Zong |
| Polonia | Orange, Play, Plus, T-Mobile |
| Saint Pierre e Miquelon | Spm Telecom |
| Porto Rico | Claro, Liberty, T-Mobile |
| Palestina | Jawwal, Ooredoo |
| Portogallo | MEO, NOS, Vodafone |
| Palau | PalauCel |
| Paraguay | Claro, Personal, Tigo, VOX |
| Qatar | Ooredoo, Vodafone |
| Réunion | FREE, Orange, SFR |
| Romania | Digi, Orange, Telekom, Vodafone |
| Serbia | A1, MTS, Yettel |
| Federazione Russa | Beeline, MegaFon, MTS, Tele2 Russia |
| Ruanda | Airtel, MTN Rwanda |
| Arabia Saudita | Lebara Mobile KSA, Mobily, stc, Virgin mobile KSA, Zain |
| Isole Salomone | Our Telekom |
| Seychelles | Airtel, Cable & Wireless |
| Sudan | MTN, Sudani, Zain |
| Svezia | Telenor, Tele2, Telia, Tre |
| Singapore | GRID Communications, M1, SIMBA, Singtel Mobile, StarHub |
| Sant'Elena, Ascensione e Tristan da Cunha | Sure |
| Slovenia | A1, Telekom Slovenije, Telemach, T-2 |
| Slovacchia | 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 |
| Sudan del Sud | Gemtel, MTN, Sudani, Vivacell, Zain |
| Sao Tomé e Príncipe | CST |
| El Salvador | Claro, Digicel, Movistar, RED, Tigo |
| Siria | MTN, Syriatel |
| Swaziland | Eswatini Mobile, MTN |
| Turks e Caicos | Digicel, FLOW |
| Ciad | Airtel, Moov |
| Togo | Moov Africa Togo, Togocel |
| Tailandia | AIS, my by NT, NT Mobile, True |
| Tagikistan | Megafon, TCell, ZET-Mobile, Babilon Mobile |
| Tokelau | TELETOK |
| Timor Est | Telemor, Timor Telecom, Telkomcel |
| Turkmenistan | TM CELL, ASTU |
| Tunisia | Ooredoo, Tunisie Telecom, Orange |
| Tonga | Digicel, TCC |
| Turchia | Turkcell, Vodafone Turkey, Turk Telekom |
| Trinidad e Tobago | bmobile, Digicel |
| Tuvalu | TTC |
| Taiwan | Chunghwa Telecom, Taiwan Mobile, Far EasTone |
| Tanzania | Vodacom, Airtel, Tigo, Halotel, Zantel |
| Ucraina | Kyivstar, Vodafone, lifecell, Intertelecom, TriMob, PEOPLEnet |
| Uganda | MTN Uganda, Airtel Uganda, Smile Telecom, Lycamobile |
| Stati Uniti | Verizon, T-Mobile, AT&T, Boost Mobile, U.S. Cellular |
| Uruguay | Antel, Claro, Movistar |
| Uzbekistan | Beeline, Mobi.UZ, UCell |
| Saint Vincent e Grenadines | Digicel, FLOW |
| Venezuela | Digitel GSM, Movilnet, Movistar |
| Isole Vergini britanniche | CCT, Digicel, FLOW |
| Isole Vergini americane | Claro, Liberty, T-Mobile |
| Vietnam | Gmobile, MobiFone, Vietnamobile, Viettel Mobile, Vinaphone |
| Vanuatu | Vodafone Vanuatu, Digicel |
| Wallis e Futuna | Manuia |
| Samoa | Digicel, Vodafone Samoa |
| Yemen | Sabafon, Yemen Mobile, YOU, Y Telecom |
| Mayotte | Free Mayotte, Orange Mayotte, SFR Mayotte, Telma Mayotte |
| Sudafrica | Cell C, MTN, Rain, Telkom, Vodacom |
| Zambia | Airtel, MTN, Zamtel |
| Zimbabwe | Econet, NetOne, telecel |