| COUNTRIES | CARRIERS | OPERATING FREQUENCY |
|---|---|---|
| Afganistan | TDCA | 900 |
| Etisilat | 900/1800 | |
| Anguilla | Cable & Wireless | 850/1900 |
| Antigua | APUA | 1900 |
| Cable & Wireless | 850 | |
| AT&T (Digicel) | 900 | |
| Aruba | Setar | 900/1900 |
| Digicel | 900/1800 | |
| Argentina | Claro | 850/1900 |
| Telecom Personal | 1900 | |
| Telefonica Moviles | 850/1900 | |
| Austrailia | Optus | 900 |
| Telstra | 900/1800 | |
| H 3G (inbound only) | 3G | |
| Austria | Connect (One) | 1800 |
| T-Mobile | 900/1800 | |
| Telering | 1800 | |
| Mobilkom ( inbound only) | 900/1800 | |
| Armenia | Vivacell | 900 |
| Azerbaijan | Azercell | 900 |
| Azerfon | 1800 | |
| Barbados | Cable & Wireless | 1900 |
| Digicel | 900/1800 | |
| AT&T | 900/1900 | |
| Bahrain | Batelco | 900 |
| MTC-Vodafone | 900/1800 | |
| Bahamas | BTC | 1900 |
| Bangladesh | Teletalk | 900 |
| Belgium | Base (KPN) | 1800 |
| Mobistar | 900/1800 | |
| Belgacom | 900/1800 | |
| Belize | BTL | 1900 |
| Benin | Atlantique ( Telecel Benin) | 900 |
| Spacetel | 900 | |
| Bermuda | Telecom(AT&T) | 1900 |
| Mobility | 1900 | |
| Digicel | 1900 | |
| Bolovia | Nuevatel | 1900 |
| Bonaire (Netherlands Antilles) | UTS | 900/1800 |
| Botswana | Mascom | 900 |
| Orange | 900 | |
| Brazil | OI (Claro) | 1800 |
| TIM (3 networks) | 1800 | |
| Telemig | 900/1800 | |
| Amazonia | 900/1800 | |
| British Virgin Islands(BVI) | Boatphone (BVI) | 900/1900 |
| Cable and Wireless | 850 | |
| Bulgaria | Globul | 900/1800 |
| Mobiltel | 900 | |
| Burkino Faso | Celtel | 900 |
| Telecel ( inbound only) | 900 | |
| Onatel (Telemob) | 900 | |
| Brunei | DTS Communications | 900 |
| B-Mobile | 900 | |
| Cambodia | Camshin | 900/1800 |
| Canada | Microcell | 1900 |
| Rogers Wireless | 850/1900 | |
| Telus | 850/1901 | |
| Bell Mobility | 850/1902 | |
| Cayman Islands | Cable & Wireless | 1900 |
| Digicel | 900/1800 | |
| AT&T | 850/1900 | |
| Central African Republic | Atlantique | 900 |
| Chad | Celtel | 900 |
| Chile | Entel | 1900 |
| China | UNICOM | 900 |
| Colombia | Movil | 1900 |
| Comcel | 850 | |
| Televonica Moviles | 850/1900 | |
| Congo | Celtel | 900 |
| Vodacom | 900/1800 | |
| Costa Rica | I.C.E | 1800 |
| Croatia | Tele2 | 1800 |
| Cuba | Cubacell | 900 |
| Curacao | UTS | 900/1800 |
| Curacao Telecom (Digicel) | 900/1800 | |
| Cyprus | Cyprus Telecom | 900/1800 |
| Areeba | 900/1800 | |
| Turkcell | 900/1800 | |
| Czech. Republic | T-Mobile | 900/1800 |
| O2 ( inbound only) | 900/1800 | |
| Denmark | TDC | 900/1800 |
| TELIA | 900/1800 | |
| Sonofon/Telenor | 900/1800 | |
| H13G | 3G | |
| Dominica | AT&T | 900/1900 |
| Cable & Wireless | 850 | |
| Orange Caraibe | 900 | |
| Dominican Republic | Orange Dominicana | 900/1800/1900 |
| Claro | 850 | |
| Ecuador | Conecel | 850 |
| Egypt | Vodafone | 900/1800 |
| Etisilat | 900/1800 | |
| Estonia | Elisa | 900/1800 |
| EMT | 900/1800 | |
| Tele2 | 900/1800 | |
| El Salvador | Telefonica Moviles | 850 |
| Equitorial New Guinea | Orange | 900 |
| Ethiopia | ETC | 900 |
| Fiji | Vodafone | 900 |
| Finland | Radiolinja | 900/1800 |
| Finnet | 900/1800 | |
| TELIA | 900/1800 | |
| SONERA | 900/1800 | |
| AMT | 900 | |
| France | Orange | 900/1800 |
| SFR (Cegetel) | 900 | |
| Bouygues Telecom | 900/1800 | |
| French Guyana | Orange Caribe | 900 |
| Dauphine Telecom | 900/1800 | |
| Bouygues Caribe | 900 | |
| Germany | E-PLUS | 1800 |
| O2 (Viag Intercom) | 1800 | |
| T-Mobile | 900/1800 | |
| O2 3G | 3G | |
| Vodafone | 900/1800 | |
| Gabon | Atlantique | 900 |
| Gambia | Africell | 900/1800 |
| Ghana | One Touch Ghana | 900 |
| Greece | Cosmote | 900/1800 |
| TIM Hellas | 900 | |
| Grenada | Cable & Wireless | 850 |
| AT&T ( Digicel) | 900/1900 | |
| Digicel | 900/1800 | |
| Guyana | GT&T | 900 |
| Celstar-Umobile(Digicel) | 900 | |
| Guadaloupe | Orange Caraibe | 900 |
| Dauphine Telecom | 900/1800 | |
| Bouygues Caraibe | 900 | |
| Guatemala | Sercom(Claro) | 1900 |
| Telefonica Moviles | 1900 | |
| Haiti | Comcel | 850 |
| Digicel | 900 | |
| Honduras | Megatel- now CLARO | 1900 |
| Hong Kong | CSL(454 00) | 900/1800 |
| CSL (45410) (inbound only) | 1800 | |
| PCCW | 1800 | |
| PCCW (3G) | 3G | |
| Orange | 900/1800 | |
| Peoples | 1800 | |
| Hutchinson 3G ( Inbound Only) | 3G | |
| Hungary | Vodafone | 900/1800 |
| Pannon | 900/1800 | |
| T-Mobile | 900/1800 | |
| Iceland | Islandssimi | 900 |
| TAL | 900/1800 | |
| Simmin Telecom | 900/1800 | |
| IMC | 1800 | |
| India | BPL (Mumbai) | 900 |
| BPL (Kerela) | 900 | |
| BPL (Maharashtra) | 900 | |
| BPL (Tamil Nadu) | 900 | |
| Idea (Delhi) | 1800 | |
| Idea (Gujarat) | 900 | |
| Idea ( Madhya Pradesh) | 900 | |
| Idea ( Maharashtra)) | 900 | |
| Idea (Goa) | 900 | |
| Idea Andhra Pradesh) | 900 | |
| Idea ( Haryana) | 900/1800 | |
| Idea ( Uttar Pradesh West) | 900 | |
| Idea (Kerala) | 900 | |
| Idea ( Uttar Pradesh East) | 900 | |
| Idea ( Rajasthan) | 900/1800 | |
| Idea ( Himach al Pradesh) | 900/1800 | |
| Idea (Mumbai) | 1800 | |
| Idea ( Bihar & Jharkhand) | 1800 | |
| Idea (Orissa) | 1800 | |
| Idea (Tamil Nandur&Chennai) | 1800 | |
| Idea ( Punjab) | 900 | |
| Idea(Karnataka) | 900 | |
| Idea (J&K) | 1800 | |
| Idea (West Bengal) | 1800 | |
| Idea (North East) | 1800 | |
| Idea (Kolkota) | 1800 | |
| Idea (Assam) | 1800 | |
| Reliance | 900 | |
| Aircell | 900 | |
| Vodafone Essar Mobile( Mumbai) | 900/1800 | |
| Vodafone Essar Mobile( Delhi) | 900/1800 | |
| Vodafone Essar Mobile( Kolkata) | 900 | |
| Vodafone Essar Mobile( Gujarat) | 900 | |
| Vodafone Essar Mobile (Mahasatra) | 900 | |
| Bharti Airtel (Dehli) | 900 | |
| Bharti Airtel (Punjab) | 900 | |
| Bharti Airtel ( Himachal Pradesh) | 900 | |
| Bharti Airtel ( Andhra Pradesh) | 900 | |
| Bharti Airtel ( Chennai) | 900 | |
| Bharti Airtel ( Tamil Nadu) | 1800 | |
| Bharti Airtel ( Kerala) | 1800 | |
| Bharti Airtel (Kolkata) | 900 | |
| Bharti Airtel ( Rajasthan) | 900 | |
| Bharti Airtel ( Haryana) | 1800 | |
| Bharti Airtel ( UP West) | 900/1800 | |
| Bharti Airtel ( Karnataka) | 900 | |
| Bharti Airtel ( Gujarat) | 1800 | |
| Bharti Airtel ( Madhya Pradesh) | 1800 | |
| Bharti Airtel ( Mumbai) | 1800 | |
| Bharti Airtel ( Maharashtra) | 1800 | |
| BSNL | 900 | |
| Indonesia | Hutchinson | 1800 |
| Axis | 1800 | |
| Ireland | Vodafone | 900/1800 |
| O2 | 900/1800 | |
| Israel | Cellcom | 1800 |
| Orange | 900/1800 | |
| Italy | TIM | 900/1800 |
| Vodafone | 900/1800 | |
| H3G | 3G | |
| Wind | 900/1800 | |
| Jamaica | Cable & Wireless | 1900 |
| Digicel | 900/1800 | |
| Claro | 850 | |
| Kazakhstan | Kartel | 900 |
| Kenya | Essar | 900/1800 |
| Kyrgyz Republic | Sky Mobile | 900/1800 |
| Kuwait | Wataniya | 900/1800 |
| KTC | 900/1800 | |
| Latvia | Latvian Mobile | 900/1800 |
| Tele2 | 900/1800 | |
| Lesotho | Vodacom | 900 |
| Liberia | CellCom | 900/1800 |
| Liechtenstein | Mobilkom | 1800 |
| Lithuania | Tele2 | 900/1800 |
| Luxembourg | VoxMobile | 1800 |
| P &T | 900/1800 | |
| Tango | 900/1800 | |
| Lybia | Al Madar | 900 |
| Macau | Hutchinson | 900/1800 |
| Malta | Go Mobile | 1800 |
| Malawi | Celtel | 900 |
| Malaysia | Maxis | 900/1800 |
| U-Mobile | 2G/3G 2100 | |
| Mauritus | EMTEL | 900 |
| Martinque | Bouygues Caraibe | 900 |
| Orange Caraibe | 900 | |
| Mexico | Telcel | 1900 |
| Telefonica Moviles | 1900 | |
| Montserrat | Cable & Wireless | 850 |
| Morocco | Medi Telecom | 900 |
| Mozambique | Mcel | 900/1800 |
| Namibia | MTC | 900/1800 |
| Netherlands | Orange | 1800 |
| T-Mobile | 1800 | |
| KPN | 900/1800 | |
| Vodafone – Libertel | 900/1800 | |
| New Zealand | Telecom New Zealand | 850 |
| Niger | Atlantique | 900 |
| Nicaragua | Enitel | 1900 |
| Telefonica Moviles | 850 | |
| Nigeria | EMTS | 900/1800 |
| Airtel | 900/1801 | |
| Norway | Netcom | 900/1800 |
| Telnor | 900/1800 | |
| MTC | Cruise Lines | |
| Network | 900 | |
| Oman | Oman Mobile | 900 |
| Panama | Cable & Wireless | 850 |
| Telefonica Moviles | 850 | |
| Claro | 1900 | |
| Palestine | Palestine Celullar | 900 |
| Pakistan | WARIDTEL | 900/1800 |
| Telenor | 900/1800 | |
| Ufone | 900 | |
| ZONG | 900/1800 | |
| Mobilink | 900/1800 | |
| Papua New Guinea | Be Mobile | |
| Paraguay | Claro | 1900 |
| Peru | TIM | 1900 |
| Nextel (3G) | 1900 | |
| Phillipines | Globe Telecom | 900/1800 |
| Poland | Polkomtel | 900/1800 |
| PTK-Centertel | 900/1800 | |
| Portugal | Vodafone | 900/1800 |
| TMN | 900/1800 | |
| Optimus | 900/1800 | |
| Puerta Rico | AT&T | 1900 |
| Claro | 850/1800 | |
| T-Mobile | 1900 | |
| Qatar | Qtel | 900/1800 |
| Romania | Orange | 900/1800 |
| Cosmote | 900 | |
| Russia | Vimpelcom | 900/1800 |
| Megafon | 900/1800 | |
| Uratel Russia | 900 | |
| MTS | 900/1800 | |
| San Marino | San Marino Telecom | 900/1800 |
| Saudi Arabia | STC | 900 |
| Mobily | 900 | |
| Senegal | Sonatel | 900 |
| Serbia | Mobtel | 900/1900 |
| Sierra Leone | Africell | 900 |
| Singapore | Singtel Mobile | 900/1800 |
| Singtel Mobile | 3G | |
| Starhub | 1800 | |
| Slovak Republic | Eurotel (T-Mobile) | 900/1800 |
| Slovenia | Mobiltel | 900/1800 |
| Tusmobil | 900/1800 | |
| Somalia | Telecom Mobile | 900 |
| South Africa | MTN | 900 |
| Vodacom | 900 | |
| Cell C | 1800 | |
| South Korea | KTF | 900 |
| Spain | Amena | 1800 |
| Vodafone | 900/1800 | |
| TME | 900/1800 | |
| Sri Lanka | MTN Dialog) | 900 |
| Mobitel | 1800 | |
| Celtel | 900 | |
| Hutchinson (outbound only) | 900/1800 | |
| St Barts | Orange Caraibe | 900 |
| St.Croix | AT&T | 1900 |
| St.John | AT&T | 1900 |
| St Kitts/Nevis | Cable & Wireless | 850 |
| AT&T (Digicel) | 1900 | |
| St Lucia | Cable & Wireless | 850/1900 |
| Digicel | 900/1800 | |
| AT&T (Digicel) | 900/1900 | |
| St Marteen (Dutch) | Telcel | 900 |
| UTS | 900/1800 | |
| St Martin (French) | Orange Caraibe | 900 |
| Bougues Caraibe | 900 | |
| UTS | 900 | |
| St Thomas | AT&T | 1900 |
| St Vincent | Cable & Wireless | 850 |
| Digicel | 900/1800 | |
| AT&T (Digicel) | 900/1900 | |
| Suriname | Telesur | 900/1800 |
| UTS | 900/1800 | |
| Sweden | Comviq | 900 |
| Telia | 900/1800 | |
| H13G | 3G | |
| Switzerland | Orange | 1800 |
| Swisscom | 900/1800 | |
| Sunrise | 900/1800 | |
| Syria | Spacetel | 900/1800 |
| Taiwan | Chunghwa | 900/1800 |
| Farestone | 900/1800 | |
| Tanzania | Vodacom | 900/1800 |
| Togo | Atlantique (Telecel) | 900 |
| Turkey | Turkcell | 900 |
| TelSim | 900 | |
| Avea( 2 networks) | 1800 | |
| Turks &Caicos | Cable & Wireless | 850 |
| Thailand | DTAC | 1800 |
| Uganda | UTL | 900 |
| Zain | 900 | |
| Ukraine | UMC | 900/1800 |
| Astelit LLC | 1800 | |
| United Arab Emerates (UAE) | Etisalat | 900 |
| Thuraya Satellites | Satellites | |
| United Kingdom | Cable & Wireless (Guernsey) | 900 |
| Hutchinson 3G | 3G | |
| O2 | 900/1800 | |
| Orange | 1800 | |
| T-Mobile | 1800 | |
| Vodafone | 900/1800 | |
| United States | AT&T Wireless | 1900 |
| Cingular Wireless | 850/1900 | |
| T-Mobile (10 Networks) | 1900 | |
| Suncomm Wireless | 1900 | |
| Sprint/ Nextel ( inbound only) | 1900 | |
| Uraguay | Claro | 850/1900 |
| Antel | 1800 | |
| Venezuela | Digitel | 900 |
| Digicel | 900 | |
| Infonet | 900 | |
| Movistar | 850 | |
| Movilnet | 850 | |
| Yemen | Y-Unitel | 900 |