Country | Operator | Country and Network code | ||
| Albania | AMC | 276 01 | ||
| Andorra | STA-Mobiland | 213 03 | ||
| Armenia | Armentel | |||
| Argentina | ||||
| Australia | Telecom/Telstra | 505 01 | ||
| Optus | 505 02 | |||
| Vodafone | 505 03 | |||
| Austria | Mobilkom Austria | 232 01 | ||
| Max. Mobil. | 232 03 | |||
| Azerbaidjan | Azercell | |||
| Bahrain | Batelco | 426 01 | ||
| Belgium | Belgacom | 206 01 | ||
| Mobistar | 206 10 | |||
| Bangladesh | Grameenphone | |||
| Seba Telecom | ||||
| TM International | ||||
| Bosnia Herzegovina | Cronet | 219 01 | ||
| Public Enterprise PTT | 218 19 | |||
| Botswana | ||||
| Brunei | DataSTream Techn. | 528 11 | ||
| Jabatan Telekom | 528 01 | |||
| Bulgaria | Citron | 284 01 | ||
| Burkia Fase | Onatel | |||
| Cambodia | CamGSM | |||
| Cambodia | ||||
| Cameroon | PTT Cameroon Cellnet | 624 01 | ||
| Canada | Microcell Connexions | |||
| Chile | ||||
| China | Guangdong MCC | 460 00 | ||
| Beijing Wireless | 460 .. | |||
| China Unicom | 460 01 | |||
| Zhuhai Comms | 460 .. | |||
| DGT MPT | 460 .. | |||
| Jiaxing PTT | 460 .. | |||
| Tjianjin Toll | 460 .. | |||
| ... China has more than 30 GSM operators | . | |||
| Croatia | HR Cronet | 219 01 | ||
| Cyprus | CYTA | 280 01 | ||
| Czech Rep. | Eurotel Praha | 230 02 | ||
| Radio Mobil | 230 01 | |||
| Denmark | Sonofon | 238 02 | ||
| Tele Danmark, TDK-Mobil | 238 01 | |||
| Egypt | Arento | |||
| Estonia | EMT | 248 01 | ||
| Radiolinja Eesti | 248 02 | |||
| Ritabell | ||||
| Ethiopia | ETA | 636 01 | ||
| Fiji | Vodafone | 542 01 | ||
| Finland | Radiolinja | 244 05 | ||
| Telecom | 244 91 | |||
| Alands Mobil | ||||
| France | France Telecom | 208 01 | ||
| SFR | 208 10 | |||
| French Polynesia | Tikiphone | 547 20 | ||
| Georgia | Superphone | |||
| Germany | DeTeMobil (D1) | 262 01 | ||
| Mannesmann MobilFunk (D2) | 262 02 | |||
| Ghana | Franci Walker Ltd | |||
| ScanCom | ||||
| Gibraltar | GibTel | 266 01 | ||
| Great Britain | Cellnet | 234 10 | ||
| Vodafone | 234 15 | |||
| Jersey Telecom | 234 50 | |||
| Guernsey Telecom | 234 55 | |||
| Manx Telecom | 234 58 | |||
| Greece | Panafon | 202 05 | ||
| STET | 202 10 | |||
| Guinea | Int'l Wireless | |||
| Hong Kong | HK Hutchison | 454 04 | ||
| SmarTone | 454 06 | |||
| Telecom CSL | 454 00 | |||
| Hungary | Pannon GSM | 216 01 | ||
| Westel 900 | 216 30 | |||
| Iceland | Post & Simi | 274 01 | ||
| India | Airtel | 404 10 | ||
| Essar | 404 11 | |||
| Maxtouch | 404 20 | |||
| BPL Mobile | 404 21 | |||
| Command | 404 30 | |||
| Mobilenet | 404 31 | |||
| Skycell | 404 40 | |||
| RPG MAA | 404 41 | |||
| Usha Martin | ||||
| Modi Telstra | ||||
| Sterling Cellular | ||||
| Mobile Telecom | ||||
| Airtouch | ||||
| BPL USWest | ||||
| Koshiki | ||||
| Bharti Telenet | ||||
| Birla Comm | ||||
| Cellular Comms | ||||
| TATA | ||||
| Escotel | ||||
| JT Mobiles | ||||
| Indonesia | TELKOMSEL | 510 10 | ||
| PT Satelit Palapa | 510 01 | |||
| PT Kartika | 510 .. | |||
| Excelcom | 510 11 | |||
| Iraq | Iraq Telecom | 418 .. | ||
| Iran | T.C.I. | 432 11 | ||
| Celcom | ||||
| Kish Free Zone | ||||
| Ireland | Eircell | 272 01 | ||
| Digifone | 272 02 | |||
| Italy | Omnitel | 222 10 | ||
| Telecom Italia Mobile | 222 01 | |||
| Ivory Coast | ||||
| Japan | ||||
| Jordan | JMTS | 416 01 | ||
| Kenya | Kenya Telecom | |||
| Kuwait | MTCNet | 419 02 | ||
| La Reunion | SRR | |||
| Laos | Lao Shinawatra | 457 01 | ||
| Latvia | LMT | 247 01 | ||
| Lebanon | Libancell | 415 03 | ||
| Cellis | 415 01 | |||
| Lesotho | Vodacom | 651 01 | ||
| Liechtenstein | Natel-D | 228 01 | ||
| Lithuania | Omnitel | 246 01 | ||
| Bite GSM | 246 02 | |||
| Luxembourg | P&T LUXGSM | 270 01 | ||
| Lybia | Orbit | |||
| Macao | CTM | 455 01 | ||
| Macedonia | PTT Makedonija | 294 01 | ||
| Malawi | TNL | 650 01 | ||
| Malaysia | Celcom | 502 19 | ||
| Binariang 502 12 | ||||
| Sapura Digital | 502 17 | |||
| Malta | Advanced | 278 ?? | ||
| Marocco | O.N.P.T. | 604 01 | ||
| Mauritius | Cellplus | 617 01 | ||
| Monaco | France Telecom | 208 01 | ||
| SFR | 208 10 | |||
| Mongolia | MobiCom | |||
| Mozambique | Telecom de Mocambique | |||
| Namibia | MTC | 649 01 | ||
| Netherlands | Netherlands PTT | 204 08 | ||
| Libertel | 204 04 | |||
| New Caledonia | Mobilis | 546 01 | ||
| New Zealand | Bell South | 530 01 | ||
| Nigeria | EMIS | |||
| Norway | NetCom | 242 02 | ||
| TeleNor Mobil | 242 01 | |||
| Oman | General Telecoms | 422 .. | ||
| Pakistan | Mobilink | 410 01 | ||
| Philippines | Globe Telecom | 515 02 | ||
| Islacom | 515 01 | |||
| Poland | Plus GSM | 260 01 | ||
| ERA GSM | 260 02 | |||
| Portugal | Telecel | 268 01 | ||
| TMN | 268 06 | |||
| Qatar | Q-Net | 427 01 | ||
| Rumania | 226 .. | |||
| Russia | Mobile Tele Moscow | 250 01 | ||
| United Telecom Moscow | ||||
| NW GSM, St. Petersburg | 250 02 | |||
| San Marino | Omnitel | 222 10 | ||
| Telecom Italia Mobile | 222 01 | |||
| Saudi Arabia | Saudi Telecom | |||
| Seychelles | SEZ SEYCEL | 633 01 | ||
| Serbia | ||||
| Singapore | Singapore Telecom | 525 01 | ||
| Slovenia | ||||
| South Africa | MTN | 655 10 | ||
| Vodacom | 655 01 | |||
| Sri Lanka | MTN Networks Pvt Ltd | 413 02 | ||
| Spain | Airtel | 214 01 | ||
| Telefonica Spain | 214 07 | |||
| Sweden | Comviq | 240 07 | ||
| Europolitan | 240 08 | |||
| Telia | 240 01 | |||
| Switzerland | PTT Switzerland | 228 01 | ||
| Syria | SYR MOBILE | 417 09 | ||
| Taiwan | LDTA | 466 92 | ||
| Tanzania | ||||
| Thailand | THAIS GSM | 520 01 | ||
| Tunisia | ||||
| Turkey | Telsim | 286 02 | ||
| Turkcell 286 01 | ||||
| United Arab Emirates | UAE ETISALAT-G1 | 424 01 | ||
| UAE ETISALAT-G2 | 424 02 | |||
| Uganda | Celtel Cellular | 641 01 | ||
| Vatican | Omnitel | 222 10 | ||
| Telecom Italia Mobile | 222 01 | |||
| Vietnam | MTSC | 452 01 | ||
| Zaire | ||||
| Zimbabwe | ECONET | 648 .. |