| Country | Zone | Country | Zone | Country | Zone |
|---|---|---|---|---|---|
| Aeroplanes (Select Airlines) | 5 | Greece | 1b | Palestine | 1b |
| Afghanistan | 3 | Greenland | 3 | Panama | 4 |
| Albania | 2 | Grenada | 3 | Papua New Guinea | 3 |
| Algeria | 1b | Guadeloupe | 3 | Paraguay | 1b |
| Andorra | 1b | Guam | 4 | Peru | 3 |
| Anguilla | 3 | Guatemala | 4 | Philippines | 2 |
| Antigua & Barbuda | 1b | Guernsey | 1b | Poland | 1b |
| Argentina | 3 | Guyana | 3 | Portugal | 1b |
| Armenia | 1b | Haiti | 3 | Puerto Rico | 3 |
| Aruba | 3 | Honduras | 1b | Qatar | 1b |
| Australia | 1b | Hong Kong | 2 | Reunion | 1b |
| Austria | 1b | Hungary | 1b | Romania | 1b |
| Azerbaijan | 1b | Iceland | 1b | Russia | 2 |
| Bahamas | 4 | India | 5 | Samoa | 3 |
| Bahrain | 1b | Indonesia | 1b | San Marino | 1b |
| Bangladesh | 2 | Iran | 1b | Saudi Arabia | 1b |
| Barbados | 3 | Iraq | 2 | Senegal | 4 |
| Belarus | 2 | Ireland | 1b | Serbia | 2 |
| Belgium | 1b | Isle Of Man | 1b | Seychelles | 4 |
| Belize | 4 | Israel | 1b | Sierra Leone | 3 |
| Benin | 1b | Italy | 1a | Singapore | 2 |
| Bermuda | 1b | Ivory Coast | 1b | Slovakia | 1b |
| Bolivia | 1b | Jamaica | 3 | Slovenia | 1b |
| Bonaire | 1b | Japan (**) | 1b | South Africa | 1b |
| Bosnia & Herzegovina | 1b | Jersey | 1b | South Korea (**) | 1b |
| Brazil | 2 | Jordan | 1b | Spain | 1a |
| British Virgin Islands | 1b | Kazakhstan | 1b | Sri Lanka | 1b |
| Brunei Darussalam | 3 | Kenya | 1b | St Barthelemy | 2 |
| Bulgaria | 1b | Kuwait (Limited service)*** | 1b | St Kitts & Nevis | 3 |
| Burkina Faso | 1b | Kyrgyzstan | 4 | St Lucia | 4 |
| Cambodia | 2 | Latvia | 1b | St Maarten | 1b |
| Canada | 1b | Lebanon | 2 | St Martin | 2 |
| Cape Verde | 2 | Lesotho | 1b | St Vincent & The Grenadines | 3 |
| Cayman Islands | 3 | Liberia | 2 | Sudan | 1b |
| Chile | 1b | Libya | 2 | Suriname | 1b |
| China | 2 | Liechtenstein | 2 | Sweden | 1b |
| Colombia | 5 | Lithuania | 1b | Switzerland | 1b |
| Congo | 1b | Luxembourg | 1b | Syria | 1b |
| Costa Rica | 1b | Macau | 3 | Taiwan | 3 |
| Croatia | 1b | Madagascar | 3 | Tajikistan | 4 |
| Cruise Ships (Select Ships Only) | 5 | Malawi | 1b | Tanzania | 1b |
| Cuba | 5 | Malaysia | 2 | Thailand | 3 |
| Curucao | 1b | Maldives | 3 | Togo | 2 |
| Cyprus | 1b | Malta | 1b | Tonga | 2 |
| Cyprus (North) | 1b | Martinique | 2 | Trinidad & Tobago | 1b |
| Czech Republic | 1b | Mauritius | 2 | Tunisia | 2 |
| D.R. Congo | 3 | Mexico | 3 | Turkey | 1b |
| Denmark | 1b | Moldova | 1b | Turks & Caicos | 4 |
| Djibouti | 4 | Monaco | 1b | Uganda | 1b |
| Dominica | 3 | Mongolia | 1b | Ukraine | 1b |
| Dominican Republic | 3 | Montenegro | 2 | United Arab Emirates | 1b |
| Ecuador | 4 | Montserrat | 1b | United Kingdom | 1a |
| Egypt | 1b | Morocco | 1b | United States | 1b |
| El Salvador | 4 | Mozambique | 2 | Uruguay | 2 |
| Estonia | 1b | Namibia | 1b | Us Virgin Islands | 4 |
| Faroe Islands | 2 | Nepal | 3 | Uzbekistan | 2 |
| Fiji | 2 | Netherlands | 1b | Vanuatu | 3 |
| Finland | 1b | Netherlands Antilles | 1b | Venezuela | 1b |
| France | 1a | New Zealand | 1b | Vietnam | 1b |
| French Guiana | 2 | Nicaragua | 4 | Western Samoa | 3 |
| Gambia | 2 | Niger | 1b | Zambia | 1b |
| Georgia | 1b | Nigeria | 1b | Zimbabwe | 3 |
| Germany | 1b | Norway | 1b | ||
| Ghana | 2 | Oman | 2 | ||
| Gibraltar | 1b | Pakistan | 3 |
* Service in this country is currently being tested. The service is operational, but outages due to technical implementation are likely. If reliability of service is required, then we recommend purchasing a local SIM card for this country.
** Service in Japan & South Korea is only available if your cell phone supports 3G (2100).
*** Please note that you cannot make outgoing calls from Kuwait, however you may receive them. You can send and receive text messages normally.