| Nazione | Prefisso | Opertatore TM |
| Afghanistan | +93 | Tdca |
| Albania | +355 | Amc |
| Albania | +355 | Vodafone Albania |
| Algeria | +213 | Orascom Telecom Algerie Spa - Djezzy |
| Andorra | +376 | Sta |
| Antigua | +1268 | Apua |
| Arabia Saudita | +966 | Etihad Etisalat Company (Mobily) |
| Arabia Saudita | +966 | Saudi Telecom (ALJAWAL) |
| Argentina | +54 | Nextel Argentina srl - iDEN |
| Armenia | +374 | ArmenTel |
| Australia | +61 | Hutchison Telecommunications |
| Australia | +61 | Optus - Singtel Optus Limited |
| Australia | +61 | Telstra MobileNet - Telstra Mobile |
| Australia | +61 | Vodafone Pacific Pty Ltd |
| Austria | +43 | MobilKom Austria AG |
| Austria | +43 | Hutchison 3G Austria GmbH |
| Austria | +43 | One |
| Austria | +43 | Tele.ring |
| Austria | +43 | T-Mobile Austria GmbH - Max.Mobil |
| Azerbaijan | +994 | AzerCell |
| Azerbaijan | +994 | Bakcell |
| Bahrain | +973 | Batelco |
| Bahrain | +973 | MTC Vodafone - B.S.C. |
| Bangladesh | +880 | Grameenphone |
| Barbados | +1246 | Cable & Wireless Limited |
| Belarus | +375 | MDC |
| Belgio | +32 | BASE NV/SA |
| Belgio | +32 | Belgacom - Proximus |
| Belgio | +32 | Mobistar |
| Bermuda | +1441 | Mobility Limited |
| Bermuda | +1441 | Telecommunications Ltd |
| Bolivia | +591 | Entel SA |
| Bolivia | +591 | Nuevatel PCS De Bolivia SA |
| Bosnia Herzegovina | +387 | Eronet Mobile Communications Ltd |
| Bosnia Herzegovina | +387 | Jodp for Telecomms of Rep. Srpska |
| Bosnia Herzegovina | +387 | Pe Ptt Bih |
| Botswana | +267 | Mascom |
| Botswana | +267 | Orange BW |
| Brazil | +55 | Nextel Brazil - iDEN |
| Brazil | +55 | TIM Celular Centro Sul |
| Brazil | +55 | TIM Rio Norte |
| Brazil | +55 | TIM Sao Paulo |
| Brazil | +55 | TNL PCS S.A. - Oi |
| Brunei | +673 | DST Communications |
| Bulgaria | +359 | MobilTel |
| Burundi | +257 | Telecel-Burundi Company |
| Cambogia | +855 | CamGSM |
| Cambogia | +855 | Casacom Samart |
| Cameroon | +237 | MTN Cameroon Ltd |
| Cameroon | +237 | Orange Cameroon - SCM |
| Canada | +1 | Fido (formerly Microcell) |
| Canada | +1 | Rogers Wireless |
| Capo Verde | +238 | Cape Verde Telecom |
| Chad | +235 | CelTel Tchad SA |
| Cile | +56 | Entel PCS Telecomunicaciones S.A |
| Cile | +56 | Entel Telefonia Movil |
| Cina | +86 | China Telecom |
| Cina | +86 | China Unicom |
| Cipro | +357 | Areeba |
| Cipro | +357 | CY.T.A (Vodafone) |
| Colombia | +57 | Comunicacion Celular SA Comcel SA |
| Congo | +242 | CelTel Congo SA |
| Costa d'Avorio | +225 | Loteny Telecom |
| Costa d'Avorio | +225 | Orange Cote D'Ivoire (SIM Ivoiris) |
| Croazia | +385 | T-Mobile (Cronet) |
| Croazia | +385 | VIPnet |
| Cuba | +53 | C-Com |
| Danimarca | +45 | Sonofon |
| Danimarca | +45 | TDC Mobil A/S (formerly Tele Denmark) |
| Danimarca | +45 | Telia |
| Danimarca | +45 | Telia Mobile Denmark (formerly Orange) |
| Egitto | +20 | MobiNil |
| Egitto | +20 | Vodafone Egypt |
| El Salvador | +503 | CTE Telecom Personal SA de CV |
| Emirati Arabi Uniti | +971 | Etisalat |
| Equador | +593 | Conecel S.A. |
| Estonia | +372 | AS EMT (EMT GSM) |
| Estonia | +372 | Elisa (Radiolinja Eesti) |
| Estonia | +372 | Tele2 Eesti AS |
| Fiji | +679 | Vodafone Fiji Limited |
| Filippine | +63 | Globe Telecom |
| Filippine | +63 | Islacom |
| Filippine | +63 | Nextel International - iDEN |
| Filippine | +63 | Smart Comm. |
| Finlandia | +358 | Alands Mobiltelefon A.B |
| Finlandia | +358 | Elisa (Radiolinja) |
| Finlandia | +358 | Sonera |
| Finlandia | +358 | Suomen 2G Oy |
| Finlandia | +358 | Telia Mobile AB |
| France | +33 | Bouygues Telecom |
| France | +33 | Orange France |
| France | +33 | SFR |
| Georgia | +995 | Geocell |
| Georgia | +995 | Magticom |
| Germania | +49 | E-Plus Mobilfunk GmbH |
| Germania | +49 | Group 3G UMTS GmbH |
| Germania | +49 | Mobilcom Multimedia GMBH |
| Germania | +49 | O2 DE (Viag Interkom) |
| Germania | +49 | T-Mobile DE (T-D1) |
| Germania | +49 | Vodafone D2 DE |
| Ghana | +233 | Millicom Ghana Limited |
| Ghana | +233 | ScanCom |
| Giamaica | +1876 | Cable & Wireless Jamaica Limited |
| Giamaica | +1876 | Mossel (Jamaica) Ltd |
| Gibilterra | +350 | Gibtel |
| Giordania | +962 | Jordan Mobile Telephone Services (Fastlink) |
| Giordania | +962 | Petra Jordanian (MobileCom) |
| Grecia | +30 | Cosmote |
| Grecia | +30 | Stet Hellas |
| Grecia | +30 | Vodafone-Panafon |
| Groenlandia | +299 | TeleGreenland |
| Guiana Francese | +594 | Orange Caraibe |
| Guinea Equatoriale | +240 | GETESA |
| Hong Kong | +852 | HK Telecom CSL |
| Hong Kong | +852 | Hutchison Telecom (HK) Ltd (3G) |
| Hong Kong | +852 | New World PCS |
| Hong Kong | +852 | Orange/Hutchison |
| Hong Kong | +852 | Peoples |
| Hong Kong | +852 | SmarTone |
| Hong Kong | +852 | Sunday Communications Ltd |
| India | +91 | Aircel Cellular Ltd. - Madras (RPG Cell.) |
| India | +91 | Aircel Digilink India Limited - Haryana |
| India | +91 | Aircel Digilink India Limited - Rajasthan |
| India | +91 | AIRCEL (Srinivas Cellcom/Aircel) |
| India | +91 | AirTel - Andhra Pradesh |
| India | +91 | AirTel (Bharti Mobitel Limited) |
| India | +91 | AirTel - Chennai (SkyCell Bharti Mobinet) |
| India | +91 | AirTel - Delhi (Bharti Cellular Ltd) |
| India | +91 | AirTel - Gujarat (Bharti Cellular Ltd) |
| India | +91 | AirTel - Haryana (Bharti Cellular Ltd) |
| India | +91 | AirTel - Karnataka (Bharti Mobile Ltd) |
| India | +91 | AirTel - Kerala (Bharti Cellular Ltd) |
| India | +91 | AirTel - Madhya Pradesh (Bharti Cellular) |
| India | +91 | AirTel - Maharashtra (Bharti Cellular) |
| India | +91 | AirTel - Mumbai Metro (Bharti Cellular) |
| India | +91 | AirTel - Punjab (Bharti Mobile) |
| India | +91 | AirTel - Tamilnadu (Bharti Cellular) |
| India | +91 | AirTel - Uttar Pradesh (Bharti Cellular) |
| India | +91 | AT&T - Gujarat |
| India | +91 | BPL Mobile - Kerala |
| India | +91 | BPL Mobile - Maharshtra/Goa |
| India | +91 | BPL Mobile - Mumbai |
| India | +91 | BPL Mobile - Tamil Nadu/Pondicherry |
| India | +91 | Essar Cellphone (Aircel Digilink India) |
| India | +91 | Fascel Limited (CelForce) |
| India | +91 | Hutchison Essar Mobile Services Limited |
| India | +91 | Hutchison Max Tel. (Orange - Bombay) |
| India | +91 | Hutchison Telecom East (Command Cell) |
| India | +91 | Idea Cellular Limited (Escotel Haryana) |
| India | +91 | Idea Cellular Limited (Escotel Kerala) |
| India | +91 | Idea Cellular Limited (Escotel UP West) |
| India | +91 | Idea Cellular Limited (Idea - Gujarat) |
| India | +91 | Idea Cellular Limited (Idea - Maharashtra) |
| India | +91 | Oasis Cellular (Hexacom India Limited) |
| India | +91 | Reliance Telecom Private Ltd |
| India | +91 | Spice - Karnataka |
| India | +91 | Spice - Punjab |
| India | +91 | Tata Cellular |
| Indonesia | +62 | Excelcomindo |
| Indonesia | +62 | PT Indosat |
| Indonesia | +62 | Satelindo |
| Indonesia | +62 | TelkomSel |
| International Network | +882 | Thuraya RMSS Network |
| Irlanda | +353 | Meteor |
| Irlanda | +353 | O2 Communications Ltd |
| Irlanda | +353 | Vodafone Ireland Plc |
| Islanda | +354 | Og Vodafone (Islandssimi) |
| Islanda | +354 | Og Vodafone (TAL) |
| Islanda | +354 | Post og simi (Landssimi) |
| Isole Faroe | +298 | Faroese Telecom |
| Isole Faroe | +298 | P/F Kall (Kall Telecom) |
| Israele | +972 | Cellcom Israel Ltd |
| Israele | +972 | Orange (Partner) |
| Italia | +39 | Blu (Wind) |
| Italia | +39 | Telecom Italia Mobile |
| Italia | +39 | Vodafone Omnitel |
| Italia | +39 | Wind |
| Italia | +39 | H3G |
| Kazakhstan | +7 | GSM Kazakhstan Ltd (K'CELL) |
| Kazakhstan | +7 | Kar-Tel (K-MOBILE) |
| Kenya | +254 | Celtel Kenya (KenCell) |
| Kenya | +254 | Safaricom |
| Kuwait | +965 | MTC-Kuwait |
| Kuwait | +965 | NMT (Wataniya Telecom) |
| Kyrgyzstan | +996 | Bitel |
| Lettonia | +371 | Baltcom (TELE2) |
| Lettonia | +371 | LMT |
| Libano | +961 | FTML (Cellis) |
| Libano | +961 | MTC Lebanon |
| Liechtenstein | +423 | Mobilkom |
| Liechtenstein | +423 | Tango |
| Liechtenstein | +423 | Telecom FL AG |
| Lituania | +370 | Bite |
| Lituania | +370 | Omnitel |
| Lussemburgo | +352 | P&T |
| Lussemburgo | +352 | Tango (Millicom) |
| Macau | +853 | CTM |
| Macau | +853 | Hutchison Telephone (Macau) Company |
| Macau | +853 | SmarTone Mobile Comm. (Macau) |
| Macedonia | +389 | MobiMak |
| Madagascar | +261 | Madacom |
| Madagascar | +261 | Orange Madagascar (SMM) |
| Malawi | +265 | Celtel |
| Maldive | +960 | Dhiraagu |
| Malesia | +60 | CELCOM (Celcom Sdn Bhd) |
| Malesia | +60 | DiGi (DiGi Telecommunications Sdn Bhd) |
| Malesia | +60 | Maxis Mobile (Maxis Mobile Sdn Bhd) |
| Malesia | +60 | TIMECel (TIMECel Sdn Bhd) |
| Malesia | +60 | TMTOUCH (Telekom Cellular Sdn Bhd) |
| Malta | +356 | Mobisle/Go |
| Malta | +356 | Vodafone Malta |
| Marocco | +212 | Itissalat Al-Maghrib |
| Marocco | +212 | Medi Telecom |
| Martinique | +596 | Orange Caraibe |
| Mauritania | +222 | MATTEL |
| Mauritius | +230 | CellPlus |
| Mauritius | +230 | Emtel |
| Messico | +52 | Nextel International (iDEN) |
| Moldova | +373 | Moldcell |
| Moldova | +373 | Voxtel |
| Monaco | +377 | Monaco Telecom |
| Mongolia | +976 | MobiCom |
| Mozambico | +258 | Mcel (TDM) |
| Namibia | +264 | MTC |
| Nepal | +977 | Nepal Telecommunications Corporation |
| Nigeria | +234 | MTN Nigeria |
| Nigeria | +234 | Vmobile Nigeria (formerly Econet) |
| Norvegia | +47 | Netcom |
| Norvegia | +47 | Telenor Mobil |
| Nuova Zelanda | +64 | Vodafone |
| Olanda | +31 | KPN |
| Olanda | +31 | Orange Nederland N.V. |
| Olanda | +31 | Telfort |
| Olanda | +31 | T-Mobile (prev. BEN) |
| Olanda | +31 | Vodafone Libertel |
| Oman | +968 | Oman Mobile (formerly GTO) |
| Pakistan | +92 | Mobilink |
| Pakistan | +92 | Pak Telecom Mobile Ltd |
| Palestina | +972 | Palestine Telecomm. Co. plc (Jawwal) |
| Paraguay | +595 | Hola Paraguay S.A |
| Paraguay | +595 | Hutchison Telecomm. Paraguay S.A |
| Peru | +51 | Nextel International - iDEN |
| Peru | +51 | TIM Peru S.A.C. |
| Polinesia Francese | +689 | Tikiphone S.A (VINI) |
| Polonia | +48 | Era GSM |
| Polonia | +48 | Idea GSM |
| Polonia | +48 | Plus GSM |
| Portogallo | +351 | Optimus |
| Portogallo | +351 | TMN |
| Portogallo | +351 | Vodafone Portugal (formerly Telecel) |
| Qatar | +974 | Q-Tel |
| Regno Unito | +44 | C&W Guernsey |
| Regno Unito | +44 | Hutchison 3G |
| Regno Unito | +44 | Isle of Man - Manx Telecom |
| Regno Unito | +44 | Jersey Telecom |
| Regno Unito | +44 | O2 (UK) |
| Regno Unito | +44 | ORANGE |
| Regno Unito | +44 | T-Mobile (UK) |
| Regno Unito | +44 | Vodafone |
| Repubblica Ceca | +420 | Cesky Mobile (Oskar) |
| Repubblica Ceca | +420 | Eurotel |
| Repubblica Ceca | +420 | T-Mobile CZ (RadioMobil) |
| Repubblica Dominicana | +1809 | Orange Dominicana S.A. |
| Repubblica Slovacca | +421 | Orange Slovensko a.s (Orange SK) |
| Reunion | +262 | SFR |
| Romania | +40 | Cosmorom |
| Romania | +40 | MobiFon S.A (CONNEX) |
| Romania | +40 | Orange Romania (Mobil Rom / DIALOG) |
| Russia | +7 | DonTeleCom (DTC) |
| Russia | +7 | Ermak RMS |
| Russia | +7 | Extel Mobile Com. System |
| Russia | +7 | Far Eastern Cellular |
| Russia | +7 | KB Impuls (Bee Line GSM) |
| Russia | +7 | Kuban |
| Russia | +7 | MegaFon, Open Joint Stock (Northwest) |
| Russia | +7 | Mobile TeleSystems (MTS) |
| Russia | +7 | Nizhegorodskaya Cellular Comm. (NCC) |
| Russia | +7 | Primtelefone |
| Russia | +7 | SIBCHALLENGE LTD |
| Russia | +7 | Siberian Cellular Systems |
| Russia | +7 | StavTeleSot (North Caucasian GSM) |
| Russia | +7 | Uraltel |
| Russia | +7 | ZAO Smarts |
| Rwanda | +250 | Rwandacell SARL |
| Senegal | +221 | Sentel GSM |
| Senegal | +221 | Sonatel (Alize) |
| Serbia e Montenegro | +381 | MOBTEL |
| Serbia e Montenegro | +381 | Monet D.O.O |
| Serbia e Montenegro | +381 | ProMonte GSM |
| Serbia e Montenegro | +381 | Telecom Serbia |
| Seychelles | +248 | C&W |
| Seychelles | +248 | Telecom (Seychelles Limited) (AIRTEL) |
| Sierra Leone | +232 | Celtel (SL) Limited |
| Singapore | +65 | MobileOne |
| Singapore | +65 | SingTel (1800) |
| Singapore | +65 | SingTel (900) |
| Singapore | +65 | StarHub |
| Siria | +963 | Spacetel Syria |
| Siria | +963 | Syriatel Mobile Telecom SA |
| Slovacchia | +421 | Eurotel-Bratislava |
| Slovenia | +386 | Mobitel |
| Slovenia | +386 | SI.Mobil d.d |
| Slovenia | +386 | Western Wireless International (Vega) |
| Spagna | +34 | Amena |
| Spagna | +34 | Movistar (Telefonica Moviles) |
| Spagna | +34 | Vodafone (Airtel Movil S.A) |
| Sri Lanka | +94 | Celltel Infiniti |
| Sri Lanka | +94 | MTN / Dialog |
| Stati Uniti d'America | +1 | Aerial (1900) |
| Stati Uniti d'America | +1 | Ameritech Cellular Services |
| Stati Uniti d'America | +1 | AT&T Wireless PCS, LLC |
| Stati Uniti d'America | +1 | Bellsouth |
| Stati Uniti d'America | +1 | Cincinnati Bell Wireless |
| Stati Uniti d'America | +1 | Cingular Wireless |
| Stati Uniti d'America | +1 | Eliska Wireless, Inc |
| Stati Uniti d'America | +1 | Eliska Wireless Ventures |
| Stati Uniti d'America | +1 | Nextel International (iDEN) |
| Stati Uniti d'America | +1 | Pac Bell |
| Stati Uniti d'America | +1 | PCS One Inc. |
| Stati Uniti d'America | +1 | Powertel |
| Stati Uniti d'America | +1 | Teleport Communications Group |
| Stati Uniti d'America | +1 | T-Mobile USA, Inc |
| Stati Uniti d'America | +1 | T-Mobile USA, Inc (Omnipoint Network) |
| Sud Africa | +27 | Cell C (Pty) Ltd |
| Sud Africa | +27 | MTN |
| Sud Africa | +27 | Vodacom |
| Sudan | +249 | MobiTel |
| Suriname | +597 | NV ICMS |
| Svezia | +46 | Tele 2 AB (COMVIQ) |
| Svezia | +46 | TeliaSonera Mobile Networks (Mobitel) |
| Svezia | +46 | Vodafone Sverige AB (Europolitan) |
| Svizzera | +41 | Orange |
| Svizzera | +41 | Sunrise (TDC) |
| Svizzera | +41 | Swisscom |
| Swaziland | +268 | Swazi MTN (Ltd) |
| Tailandia | +66 | AIS GSM |
| Tailandia | +66 | TA Orange Company Ltd |
| Tailandia | +66 | Total Access/Worldphone |
| Taiwan | +886 | Chunghwa |
| Taiwan | +886 | Far EasTone |
| Taiwan | +886 | KG Telecoms |
| Taiwan | +886 | KG Telecom Tuntex |
| Taiwan | +886 | MobiTai |
| Taiwan | +886 | Taiwan Cellular Corporation |
| Taiwan | +886 | TransAsia |
| Tanzania | +255 | Celtel Tanzania Limited |
| Tanzania | +255 | MIC Tanzania Ltd |
| Tanzania | +255 | Tritel |
| Tanzania | +255 | Vodacom |
| Timor Est | +670 | Timor Telecom |
| Togo | +228 | Togo Cellulaire |
| Trinidad e Tobago | +1868 | TSTT |
| Tunisia | +216 | Orascom Telecom Tunisie |
| Tunisia | +216 | Tunisie Telecom |
| Turchia | +90 | Avea (IS-TIM) |
| Turchia | +90 | Telsim |
| Turchia | +90 | Turkcell |
| Turkmenistan | +993 | Barash |
| Ucraina | +380 | Golden Telecom |
| Ucraina | +380 | Kyivstar |
| Ucraina | +380 | UMC |
| Ucraina | +380 | URS |
| Uganda | +256 | Celtel Uganda |
| Uganda | +256 | MTN |
| Uganda | +256 | Uganda Telecom Ltd |
| Ungheria | +36 | Pannon |
| Ungheria | +36 | T-Mobile (Westel) |
| Ungheria | +36 | Vodafone |
| Uzbekistan | +998 | Coscom |
| Uzbekistan | +998 | Daewoo Unitel |
| Venezuela | +58 | Corporacion Digitel C.A |
| Vietnam | +84 | Mobifone/VMTS |
| Vietnam | +84 | Vinaphone/VTS/GPC |
| Yemen | +967 | Sabafon |
| Zambia | +260 | Celtel Zambia |
| Zambia | +260 | Telecel Zambia Limited |
| Zimbabwe | +263 | Econet |
| Zimbabwe | +263 | P+T/NetOne |
| Zimbabwe | +263 | Telecel |