
| Country | Mobile Operator | ShortCode | Supporting | Notes | |
| SMS | MMS | ||||
| Satellite Provider | Thuraya | 1888 | ? | ||
| Inmarsat | 898 | ? | |||
| Iridium | 40404 | ? | |||
| Afghanistan | Roshan | 40404 | ? | ||
| Etisalat | 40404 | ? | |||
| Algeria | Djezzy | 730 | ? | ||
| American Samoa | BlueSky | 40404 | ? | ||
| Argentina | Movistar | 89338 | ? | ||
| Personal | 89338 | ? | |||
| Claro | 89338 | ? | |||
| Nextel | 89338 | ? | Nextel only supports sending updates to Twitter | ||
| Antigua | Digicel | 176 | ? | ||
| Anguilla | Digicel | 176 | ? | ||
| Armenia | Beeline | 40404 | ? | ||
| Aruba | Digicel | 176 | ? | ||
| Australia | Telstra | 0198089488 | ? | ||
| Azerbaijan | Azercell | 8800 | ? | ||
| Bakcell | 4040 | ? | |||
| Bahrain | VIVA | 88000 | ? | ? | |
| Zain | 98555 | ? | ? | ||
| Bangladesh | Airtel | 9594 | ? | ||
| Citycell | 9594 | ? | |||
| Grameenphone | 9594 | ? | |||
| Bermuda | Digicel | 176 | ? | ||
| Brasil | TIM | 40404 | ? | ? | |
| Nextel | 40404 | ? | |||
| Claro | 27878 | ? | Claro only supports sending updates to Twitter | ||
| Oi | 27878 | ? | Oi only supports sending updates to Twitter | ||
| Vivo | 27878 | ? | Vivo only supports sending updates to Twitter | ||
| Bhutan | B-mobile | 40404 | ? | ||
| TashiCell | 40404 | ? | |||
| Bolivia | Entel | 40404 | ? | ||
| Tigo | 40404 | ? | |||
| Viva | 40404 | ? | |||
| Bonaire | Digicel | 176 | ? | ||
| Botswana | Mascom | 13123 | ? | ||
| Canada | 21212 | ? | MMS supported for Bell Mobility, Rogers Communications, and Telus Mobility. | ||
| Cambodia | Cellcard | 40404 | ? | ||
| Smart Mobile | 40404 | ? | ? | ||
| Cameroon | MTN | 8711 | ? | ||
| Colombia | Tigo | 40404 | ? | ||
| Côte d'Ivoire | MTN | 4443 | ? | ||
| Curacao | Digicel | 176 | ? | ||
| Democratic Republic Congo | Tigo | 40404 | ? | ||
| Vodacom | 40404 | ? | |||
| El Salvador | Digicel | 40404 | ? | ||
| Tigo | 40404 | ? | ? | ||
| Movistar | 40404 | ? | |||
| Fiji | Digicel | 40404 | ? | ||
| Vodafone | 40404 | ? | |||
| Georgia | Beeline | 40404 | ? | ||
| Geocell | 40404 | ? | |||
| Magticom | 40404 | ? | |||
| Ghana | MTN | 40404 | ? | ||
| Tigo | 40404 | ? | |||
| Grenada | Digicel | 176 | ? | ||
| Guatemala | Tigo | 40404 | ? | ||
| Movistar | 40404 | ? | |||
| Guinea Conakry | Cellcom | 40404 | ? | ||
| MTN | 40404 | ? | |||
| Guyana | Digicel | 1443 | ? | ||
| Haiti | Digicel | 40404 | ? | ||
| Honduras | Tigo | 40404 | ? | ||
| India | Bharti Airtel | 53000 | ? | ? | Airtel only supports sending updates to Twitter |
| Reliance | 53000 | ? | |||
| TATA DOCOMO | 53000 | ? | |||
| Indonesia | AXIS | 89887 | ? | ||
| 3 | 89887 | ? | |||
| Telkomsel | 89887 | ? | ? | ||
| XL Axiata | 89887 | ? | |||
| Bakrie Telecom | 89887 | ? | |||
| TelkomFlexi | 89887 | ? | |||
| Indosat | 89887 | ? | |||
| Iraq | Zain | 71117 | ? | ||
| Asiacell | 4432 | ? | |||
| KOREK | 9988 | ? | |||
| Ireland | Vodafone | 51210 | ? | ||
| Meteor Mobile | 51210 | ? | |||
| Isle of Man | Manx | 89887 | ? | ||
| Sure (CWC) | 86444 | ? | |||
| Italy | Wind | 4880804 | ? | ||
| Vodafone | 3424486444 | ? | ? | ||
| TIM | 3399940424 | ? | |||
| Jamaica | Digicel | 176 | ? | ||
| Jordan | Zain | 90903 | ? | ? | |
| Umniah | 98788 | ? | ? | ||
| Kazakhstan | Beeline | 4040 | ? | ||
| Kcell/Activ | 4040 | ? | |||
| Kenya | Safaricom | 8988 | ? | ||
| Airtel | 40404 | ? | |||
| yuMobile | 8988 | ? | |||
| Kuwait | Zain | 89887 | ? | ||
| VIVA | 89887 | ? | |||
| Korea | LG U+ | #1234 | ? | ||
| Kosovo | Ipko Kosovo | 16161 | ? | ||
| Kyrgyzstan | Megacom | 4040 | ? | ||
| Beeline | 4040 | ? | ? | ||
| Liberia | Cellcom | 4040 | ? | ||
| Lonestar | 8933 | ? | |||
| Macedonia | VIP | 40404 | ? | ||
| ONE | 40404 | ? | |||
| Madagascar | Airtel | 335640404 | ? | ||
| Malaysia | Maxis | 28933 | ? | ||
| Tune Talk | 28933 | ? | |||
| DiGi | 28933 | ? | |||
| Celcom | 28933 | ? | |||
| Maldives | Dhiraagu | 4040 | ? | ||
| Wataniya | 4040 | ? | ? | ||
| Mexico | Nextel | 6464 | ? | ||
| Telcel | 6464 | ? | Telcel only supports sending updates to Twitter | ||
| Mongolia | G-Mobile | 40404 | ? | ||
| Mobicom | 40404 | ? | |||
| Montenegro | T-Mobile | 14775 | ? | ||
| Telenor | 14774 | ? | |||
| Morocco | inwi | 404 | ? | ||
| Mozambique | Vodacom | 8440404 | ? | ||
| Nauru | Digicel | 40404 | ? | ||
| Netherlands | T-Mobile | 4044 | ? | ||
| New Zealand | 2Degrees | 8987 | ? | ||
| Telecom NZ | 8987 | ? | |||
| Vodafone | 8987 | ? | |||
| Nicaragua | Movistar | 89887 | ? | ||
| Nigeria | Airtel | 40404 | ? | ||
| MTN | 40404 | ? | |||
| Glo Mobile | 20644 | ? | |||
| Visafone | 40404 | ? | |||
| Oman | Nawras | 90914 | ? | ||
| Omantel | 91200 | ? | ? | ||
| Pakistan | Mobilink | 40404 | ? | ||
| Zong | 40404 | ? | |||
| Ufone | 40404 | ? | |||
| Telenor | 40404 | ? | ? | ||
| Waridtel | 40404 | ? | |||
| Palestinian Territories | Wataniya | 40404 | ? | ||
| Jawwal | 37373 | ? | |||
| Panama | Cable & Wireless | 40404 | ? | ||
| Digicel | 3010 | ? | |||
| Movistar | 89887 | ? | |||
| Papua New Guinea | Digicel | 40404 | ? | ||
| Paraguay | Personal | 40404 | ? | ? | |
| Tigo | 40404 | ? | |||
| Philippines | Globe Telecom | 2161 | ? | ||
| Smart | 4409 | ? | |||
| Republic of Congo | MTN | 6060 | ? | ||
| Romania | Vodafone | 89338 | ? | ||
| Cosmote | 89338 | ? | |||
| Russia | Beeline | 8080 | ? | ||
| MegaFon Moscow | 7070 | ? | |||
| Rwanda | MTN | 3434 | ? | ||
| Tigo | 7474 | ? | |||
| Saudi Arabia | STC | 840404 | ? | ||
| Zain | 710001 | ? | |||
| Mobily | 606040 | ? | ? | ||
| Serbia | Vip mobile | 40404 | ? | ? | |
| mt:s | 40404 | ? | ? | ||
| Telenor | 40404 | ? | |||
| Seychelles | Airtel | 9695 | ? | ||
| Cable & Wireless | 9695 | ? | |||
| Sri Lanka | Dialog | 40404 | ? | ? | |
| Etisalat Lanka | 40404 | ? | |||
| Hutch | 40404 | ? | ? | ||
| Telecom Mobitel | 40404 | ? | |||
| St. Lucia | Digicel | 176 | ? | ||
| St. Vincent | Digicel | 176 | ? | ||
| St. Kitts | Digicel | 176 | ? | ||
| Sudan | Zain | 40404 | ? | ||
| Sweden | 3 | 71017 | ? | ||
| Tajikistan | Babilon-Mobile | 40404 | ? | ||
| Beeline | 40404 | ? | |||
| MegaFon | 8080 | ? | |||
| Tanzania | BOL | 15508 | ? | ||
| Tigo | 15508 | ? | |||
| Tonga | Digicel | 4040 | ? | ||
| TCC - UCALL | 1040 | ? | |||
| Trinidad and Tobago | Digicel | 40404 | ? | ||
| Tunisia | Tunisiana | 85022 | ? | ||
| Tunisie Telecom | 85105 | ? | |||
| Turkey | Avea | 2444 | ? | ||
| KKTC Telsim | 2444 | ? | |||
| Vodafone | 2444 | ? | |||
| Turkcell | 2555 | ? | ? | ||
| Uganda | MTN | 179 | ? | ||
| UK | Orange | 86444 | ? | ? | |
| Vodafone | 86444 | ? | ? | ||
| O2 | 86444 | ? | ? | ||
| 3 | 86444 | ? | |||
| Sure (CWC) | 86444 | ? | |||
| Ukraine | life:) | 40404 | ? | ||
| United Arab Emirates | du | 8080 | ? | ||
| Uruguay | Antel | 40404 | ? | ||
| Movistar | 40404 | ? | |||
| US | 40404 | ? | SMS support for all US carriers and Google Voice numbers; MMS Support for AT&T, Verizon, C Spire, US Cellular, MetroPCS | ||
| Uzbekistan | Beeline | 89338 | ? | ? | |
| Ucell | 89338 | ? | ? | ||
| Venezuela | Movistar | 89338 | ? | ||
| Yemen | MTN | 7070 | ? | ||
| Sabafon | 6644 | ? | |||
| Yemen Mobile | 7070 | ? |