| Country | Country Code | Network |
| Argentina | 54 | Telecom Personal |
| Austria | 43 | Connect.One |
| Tele.Ring |
| T-Mobile |
| Mobilkom |
| Azerbaijan | 994 | Bakcell |
| Bahrain | 973 | Batelco |
| Belgium | 32 | Belgacom |
| Mobistar |
| Bermuda | 1441 | Telecom Bermuda |
| Bolivia | 591 | Entel |
Bosnia Herzegovena
| 387 | BH Telecom |
| Bulgaria | 359 | Mobiltel |
| Cambodia | 855
| CamGSM |
| Canada | 1 | Microcell |
| Rogers Wireless |
| Telus Mobility |
| Saskatel |
| Bell Wireless |
| Chile | 56 | Entel Movil |
| China | 86 | China Mobile |
| Croatia | 385 | HT Mobile |
| VIPnet |
| Cyprus | 357 | CYTA* |
| Czech Republic | 420 | Cesky Mobile |
| Eurotel Praha |
| T-Mobile |
| Columbia | 57 | |
| Denmark | 45 | Orange (Mobilix) |
| Sonofon |
| TDC Mobil |
| Telia |
| East Timor | 670 | Timor Telecom |
| Egypt | 20 | Vodafone |
| Estonia | 372 | EMT |
| Fiji | 679 | Vodafone |
| Finland | 358 | Radiolinja |
| Sonera |
| France | 33 | Orange France |
| SFR* |
| Georgia | 995 | Geocell |
| Magticom |
| Germany | 49 | Vodafone D2 |
| T-Mobile |
| Gibraltar | 350 | Gibtel |
| Greece | 30 | TIM |
| Vodafone |
| Cosmote |
Guernsey
| 44 | Cable & Wireless |
| Hong Kong | 852 | Smartone |
| HK CSL |
| Hutchison |
| New World |
| Peoples |
| Sunday (Mandarin) |
| Hungary | 36 | Pannon GSM |
| Westel |
| Iceland | 354 | Landsimminn |
| Og Vodafone |
| India | 91 | Airtel |
| Orange |
| BPL Mobile |
| Spice Telecom |
| Aircel |
| Fascel |
| Indonesia | 62 | Telkomsel |
| Satelindo |
| Excelcomindo |
| Ireland | 353 | Vodafone |
| O2 |
| Meteor |
| Isle of Man | 44 | Manx Telecom |
| Israel | 972 | Orange |
| Italy | 39 | TIM |
| Vodafone |
| Wind |
| Jamaica | 1876 | Digicel |
| Japan | 81 | NTDOCOMO |
| Jersey | 44 | Jersey Telecom |
| Kazakhstan | 7 | K'Cell |
| Kenya | 254 | Safari Com |
| Kuwait | 965 | Wataniya |
| Laos | 856 | Millicom |
| Latvia | 371 | Tele2 |
| LMT |
| Lebanon | 961 | Libancell |
| FTML |
| Liechtenstein | 423
| Mobilkom |
| Lithuania | 370 | Omnitel |
| Bite GSM |
| Luxembourg | 352 | P&T |
| Macau | 853 | CTM |
| Hutchison |
Macedonia
| 389
| Mobimak |
| Malaysia | 60 | Celcom |
| Maxis |
| DiGi |
| TimeCel |
| Malta | 356 | Vodafone |
| Go Mobile |
| Maldives | 960 | Dhiraagu |
| Monaco | 377
| SFR* |
| Netherlands | 31 | KPN |
| O2 |
| Vodafone Libertel |
| New Zealand | 64 | Vodafone |
| Nigeria | 234 | MTN |
| Norway | 47 | Telenor, Netcom |
| Netcom |
| Pakistan | 92 | Mobilink |
| Panama | 507 | Cable & Wireless |
| Philippines | 63 | Globe Telecom |
| Smart |
| Poland | 48 | PTK Centertel |
| Plus Polkomtel |
| PTC Era |
| Portugal | 351 | TMN |
| Vodafone Telecel |
| Qatar | 974 | Q-Tel |
| Reunion Island | 624 | SRR |
| Romania | 40 | Orange |
| Connex Mobifon |
| Russia | 7 | MTS |
| Megafon |
| KB Impuls |
| San Marino | 378 | TIM |
| Serbia & Montenegro | 381 | Telkom Srbija |
| Singapore | 65 | SingTel Mobile |
| M1 |
| Starhub* |
| Slovak Republic | 421 | Eurotel Bratislava |
| Orange |
| Slovenia | 386 | Mobitel DD |
| South Africa | 27 | MTN, Vodacom SA |
| Vodacom |
| Spain | 34 | Telefonica |
| Vodafone |
| Sri Lanka | 94 | MTN |
| Celltel Lanka |
| Sweden | 46 | Telia Mobile |
| Tele 2 |
| Vodafone |
| Switzerland | 41 | SwissCom |
| Sunrise |
| Orange |
| Tajikstan | 992 | Megafon |
| Taiwan | 886 | Chunghwa |
| TCC |
| Thailand | 66 | AIS |
| TAC |
| TA Orange |
| Turkey | 90 | Turkcell |
| Telsim |
| Aycell |
| UAE | 971 | Etisalat |
| United Kingdom | 44 | O2 |
| Vodafone |
| T-Mobile |
| Orange |
| USA | 1 | Cingular |
| T-Mobile |
| AT&T |
| Verizon Wireless |
| Dobson Communications |
| TeleCorp PCS |
| Tritel/Suncom |
| Alltel |
| CenturyTel |
| US Cellular |
| Rogers Wireless |
| Bell Wireless Alliance |
| PrimeCo |
| Leap/Cricket Communications |
| Cincinnati Bell Wireless |
| Qwest/US West |
| Clearnet |
| Centennial |
| Edge Wireless |
| Microcell Telecom |
| MTS |
| Nextel |
| NPI Wireless |
| Rural Cellular |
| SaskTel |
| Sprint |
| Telefonica MoviStar Puerto Rico |
| Telus Mobility |
| Triton Suncom PCS |
| US Unwired |
| Western Wireless |
| 3 River PCS |
| Airadigm |
| Airlink |
| Amica |
| Blackfoot |
| Cell One West |
| Cellular 2000 – MN |
| Cellular South Telepark |
| Cellular XL – Cell One MS |
| Conestoga |
| Eatel |
| Farmers – AL |
| Hickory Tech – Cell One Mankato |
| Horizon |
| Inland Cellular |
| Iowa Wireless |
| MACtel |
| Mid-Missouri Cellular |
| Midwest Wireless |
| North Alabama Cellular |
| Ntelos – CFW |
| PCS One |
| Pine Belt – BCP |
| Pioneer/Enid |
| Plateau Cellular |
| Price Communications – Cell One SE |
| Public Service Cellular |
| RCS |
| South Central Utah |
| Southwest |
| West Central |
| Wireless North |
| Vanuatu | 678 | TVL (Smile) |
| Vatican City | 39 | TIM |
| Vietnam | 84 | GPC - Vinaphone |
| | | VMS |
| Yemen | 967 | Spacetel |