- 3IE ➡ Ireland (3)
- ABS ➡ Tunisia (Tunisie Telecom, Ooredoo Tunisia, Orange)
- ACA ➡ Ghana (MTN Ghana, Vodafone, AirtelTigo Ghana, Orange CM, MTN)
- ACG ➡ United States of America (Nextech / C-Spire)
- ACR ➡ Ghana, Africa
- AFG ➡ Afghanistan (Afghan Telecom, Afghan Wireless, Etisalat, MTN Group, Roshan, Salaam Network, Zain JO, Orange, Alfa)
- AFR ➡ Kenya (Safaricom, Airtel Kenya, Telkom Kenya, Finserve)
- AIR ➡ Zambia (Airtel)
- AIO ➡ United States of America (Cricket Wireless)
- ALB ➡ Albania (Vodafone, Telekom, Eagle, Plus Communication)
- ALE ➡ Ecuador (Alegro)
- ALO ➡ Ukraine (MTS, Kyivstar, Beeline, Utel Kyivstar)
- ALT ➡ Kazakhstan (Altel)
- AMN ➡ Spain (Orange)
- AMO ➡ Spain (Movistar, Orange, Vodafone, Yoigo, Euskaltel, Jazztel, Tuenti, Eroski Movil, Neo, PTV Telecom, Ibercom)
- ANC ➡ Uruguay (Antel)
- AND ➡ Nigeria (MTN Nigeria, Glo Mobile, Zain Nigeria, Etisalat Nigeria)
- ANY ➡ South Korea (Any)
- ARB ➡ United Arab Emirates (Etisalat, du)
- ARO ➡ Argentina (Personal, Claro, Movistar, Ancel, Vox, Tigo)
- ATL ➡ Spain (Vodafone)
- ATO ➡ Austria (A1, Telekom Austria, Tele2, T-Mobile Austria, Orange, Tele.Ring, 3, Yesss!)
- ATT ➡ United States of America (AT&T)
- AUO ➡ Switzerland (Orange)
- AUT ➡ Switzerland (Sunrise, Swisscom, Orange)
- AVF ➡ Albania (Vodafone)
- BGL ➡ Bulgaria (M-Tel, BG Globul, Vivacom)
- BHT ➡ Bosnia and Herzegovina (BH Telecom)
- BKD ➡ Bangladesh
- BLA ➡ Algeria (Mobilis, Djezzy, Ooredoo)
- BLR ➡ Russia (MTS, Beeline, Megafon, Yota, Tele2, Velcom, Life, Azercell, Bakcell, Nar, Geocell, Magticom, VivaCell-MTS, Orange)
- BMC ➡ Canada (Bell Mobile)
- BNG ➡ Bangladesh (Grameenphone, Banglalink, Teletalk, Robi, Airtel)
- BOG ➡ France (Bouygues)
- BRI ➡ Taiwan (Chunghwa, KGT, Vibo)
- BSE ➡ Belgium (Mobistar, Proximus, Base, Tango, Post Telecom, Orange)
- BST ➡ United States of America (Boost Mobile)
- BTB ➡ United Kingdom (BT, BT One Phone)
- BTC ➡ Libya (Libyana, LibyaPhone, Almadar)
- BTE ➡ United Kingdom (BT)
- BTU ➡ UK & IRE (O2, Orange, Life Mobile, EE/T-Mobile, Virgin, Vodafone, BT Mobile, H3G, Asda, Meteor, Tesco Mobile Ireland, Talkmobile, TalkTalk)
- BVE ➡ Bolivia (Entel)
- BVO ➡ Bolivia (Movistar, Entel, Claro, GTD Movil, Viva, Tigo, Virgin Mobile, Nextel)
- BWA ➡ Canada (SaskTel)
- CAC ➡ Uzbekistan (Uztelecom, Ucell, Beeline, MTS)
- CAU ➡ Caucasus (Ucell, Beeline, O!, Megacom, Tcell, MobiCom, Unitel, Azercell, Bakcell, Geocell, Orange)
- CAM ➡ Thailand (Cellcard, Smart, qb, Metfone, Beeline)
- CCM ➡ Malaysia (Celcom)
- CCT ➡ United States of America (Xfinity Mobile / Comcast)
- CDR ➡ Dominican Republic (Claro, Altice, Viva)
- CEL ➡ Israel (Cellcom)
- CEN ➡ Puerto Rico
- CGU ➡ Guatemala (Tigo)
- CHA ➡ United States of America (Spectrum Mobile)
- CHC ➡ China
- CHE ➡ Chile (Entel)
- CHF ➡ Chile (Entel Falabella)
- CHG ➡ Chile (Virgin Mobile)
- CHL ➡ Chile (Claro)
- CHM ➡ China
- CHN ➡ China
- CHO ➡ Chile (Entel, WOM, Claro)
- CHR ➡ Canada (Chatr Mobile)
- CHT ➡ Chile (Telefonica)
- CHU ➡ China
- CHV ➡ Chile (VTR)
- CHX ➡ Chile (Nextel)
- CIT ➡ Italy (TIM, Vodafone, Wind, H3G)
- CLN ➡ Canada (Clearnet)
- CMF ➡ Macedonia (Cosmofon)
- CNX ➡ Romania (Vodafone)
- COA ➡ Romania (Cosmote)
- COB ➡ Colombia (Movistar)
- COD ➡ Colombia Avancel (Avantel, Claro, ETB 4G, Virgin Mobile1, Virgin Mobile2)
- COE ➡ Colombia (ETB, Claro, Movistar, Virgin Mobile)
- COL ➡ Colombia (Tigo Une)
- COM ➡ Colombia (Comcel)
- COO ➡ Colombia (Claro, Movistar, Avantel, Virgin Mobile)
- COS ➡ Greece (Cosmote)
- COV ➡ Sweden (Tele2)
- CPA ➡ Panama (Claro)
- CPW ➡ United Kingdom (Carphone Warehouse)
- CRC ➡ Costa Rica (Claro, Kolbi, Liberty)
- CRI ➡ United States of America (Cricket)
- CRM ➡ South America (Movistar PE, MX, AR, UR, CO, CH, VE, GT, SV, NI, PA, EC, CR, GT, SV)
- CRO ➡ Croatia (T-Mobile / HR Telecom)
- CTC ➡ China (China Telecom)
- CTE ➡ Honduras (Tigo)
- CTI ➡ Argentina (Claro)
- CTP ➡ Paraguay (Claro)
- CTU ➡ Argentina Uruguay (Claro)
- CWT ➡ Taiwan (Chunghwa Telecom, Far Eastone, KGT, TWM Mobile, Vibo)
- CWW ➡ Jamaica (LIME)
- CYO ➡ Cyprus (Epic Cyprus, Vodafone Cyprus, PrimeTel Cyprus)
- CYV ➡ Cyprus (Cytamobile)
- DAM ➡ Lebanon (Zain JO, Umniah, Orange, Alfa, Wataniya, MTN, Zain IQ, Asia Cell, Korek, Etisalat, du)
- DBE ➡ Netherlands (T-Mobile NL, Ben NL)
- DBT ➡ Germany (Telekom, Vodafone, E-Plus, O2, 1&1, Lebara, Smartmobil.de)
- DCM ➡ Japan (NTT Docomo, Rakuten Mobile)
- DDE ➡ Germany (Congstar)
- DGI ➡ Malaysia (DiGi)
- DGT ➡ Venezuela (Digitel)
- DHR ➡ Croatia (Bonbon)
- DKR ➡ Senegal (Safaricom, Zain, Orange, Econet, Vodacom)
- DNF ➡ Finland (DNA)
- DNL ➡ Netherlands (Ben NL)
- DOR ➡ Dominican Republic (Orange)
- DPL ➡ Poland (Heyah)
- DRC ➡ Kenya (Safaricom, Zain, Orange, Econet, Vodacom)
- DRE ➡ Austria (3 Hutchinson)
- DTL ➡ Denmark
- DTM ➡ Germany (T-Mobile)
- DTR ➡ Germany (TeleKom.de)
- EBE ➡ Ecuador (Movistar)
- ECO ➡ Ecuador (Claro)
- ECT ➡ Nigeria (MTN Nigeria, Glo Mobile, Zain Nigeria, Etisalat Nigeria)
- EGY ➡ Egypt (Mobinil, Vodafone, Etisalat)
- EIR ➡ Ireland (eMobile)
- EON ➡ Ecuador (Claro / Telcel, Movistar CNT)
- EPL ➡ Germany (E-Plus)
- ERA ➡ Poland (Era)
- ERO ➡ Bosnia and Herzegovina (HT Eronet)
- ESK ➡ Canada (EastLink)
- ETE ➡ El Salvador (Tigo)
- ETL ➡ Czech Rebublic (T-Mobile, O2, Vodafone)
- ETR ➡ Bangladesh (Grameenphone, Banglalink, Teletalk, Robi, Airtel)
- ETT ➡ Kenya (Safaricom, Zain, Orange, Econet, Vodacom)
- EUR ➡ Greece (Wind, Vodafone, Cosmote)
- EUX ➡ European Region
- EUY ➡ European Union
- EVR ➡ United Kingdom (T-Mobile UK, Orange)
- FET ➡ Taiwan (Far Eastone)
- FMC ➡ Canada (Fido Mobile)
- FNC ➡ France (FNC)
- FOP ➡ Spain (Movistar, Vodafone, Orange, Yoigo, Mobil R, Euskaltel, Telecable, Blau, Simyo)
- FRE ➡ France (Free Mobile)
- FTD ➡ Ukraine (Vodafone Ukraine, Kyivstar, Beeline UA, TriMob, Jeans, Djuice)
- FTM ➡ France (Orange)
- FWD ➡ Morocco (Maroc Telecom, Orange, Inwi)
- GBL ➡ Bulgaria (BG Globul)
- GHA ➡ Ghana (MTN Ghana, AirtelTigo Ghana, Glo Ghana, Vodafone Ghana)
- GLB ➡ Philippines (Globe)
- GLW ➡ Canada (Wind Mobile)
- GWL ➡ Canada (Freedom Mobile)
- H3G ➡ United Kingdom (H3G)
- HAT ➡ Romania (Orange RO, Vodafone RO, Cosmote)
- HME ➡ Honduras (Claro HN)
- HTD ➡ Denmark (3)
- HTS ➡ Sweden (3 SE)
- HUI ➡ Italy (H3G)
- HUT ➡ Australia (3)
- ICE ➡ Costa Rica (Kolbi, Liberty, Claro)
- IDE ➡ Poland (Orange)
- IEL ➡ Nigeria (Etisalat, MTN Nigeria, Glo Mobile, Zain Nigeria)
- ILO ➡ Israel (Orange, Cellcom, PCL, MIR, PTR, HotMobile)
- ILP ➡ Lebanon
- INS ➡ India (Airtel, BSNL, Vodafone Idea, Jio)
- INU ➡ India (unbranded)
- IRD ➡ Slovakia (Orange, T-Mobile SK, O2 SK)
- ITV ➡ Italy (Vodafone, WIND, Fastweb)
- IUS ➡ Mexico (Iusacell)
- JDI ➡ Jamaica (Digicel)
- JED ➡ Saudi Arabia (STC, Mobily, Zain)
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