ZOLEO uses global SMS infrastructure to send and receive messages via satellite. While outbound SMS is supported in most regions, the ability for your contacts to reply via SMS, called two-way SMS, depends on the country they’re in and whether local mobile carriers support this functionality.
Use the table below to check if two-way SMS is available in your country.
Quick Facts
App-to-App messaging and email are not affected by SMS availability.
Two-way SMS support is based on carrier compliance and infrastructure in each country.
This list is updated monthly based on the latest data from our messaging provider.
Not Supported in Your Region?
If two-way SMS isn’t supported in your country, you can still stay connected:
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App-to-App Messaging: Free, reliable, and supported anywhere you have a ZOLEO connection. Just ask your contact to install the ZOLEO App and create a free app account.
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Email Messaging: Available worldwide with no restrictions on replies.
You can find more information at Best Practices for ZOLEO Email.
How to Use the Table
Search by country name or ISO code (e.g., "CA" for Canada, "AU" for Australia).
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Look at the Two-Way SMS Support column.
Yes = contacts in that country can reply to your SMS messages.
No = replies via SMS are not supported in that country.
SMS availability is determined by local mobile carrier support and may change over time. Please check this table regularly for updated information.
Full Country List
To view the full list of countries and their two-way SMS availability:
| Country | ISO Code | Two-way SMS supported |
| Afghanistan | AF | No |
| Albania | AL | No |
| Algeria | DZ | No |
| American Samoa | AS | No |
| Andorra | AD | No |
| Angola | AO | No |
| Anguilla | AI | No |
| Antigua and Barbuda | AG | No |
| Argentina | AR | Yes |
| Armenia | AM | No |
| Aruba | AW | No |
| Australia | AU | Yes |
| Austria | AT | Yes |
| Azerbaijan | AZ | No |
| Bahamas | BS | No |
| Bahrain | BH | No |
| Bangladesh | BD | No |
| Barbados | BB | No |
| Belarus | BY | No |
| Belgium | BE | Yes |
| Belize | BZ | No |
| Benin | BJ | No |
| Bermuda (UK) | BM | No |
| Bhutan | BT | No |
| Bolivia | BO | Yes |
| Bosnia and Herzegovina | BA | No |
| Botswana | BW | No |
| Brazil | BR | Yes |
| British Virgin Islands (UK) | VG | No |
| Brunei | BN | No |
| Bulgaria | BG | No |
| Burkina Faso | BF | No |
| Burundi | BI | No |
| Cambodia | KH | No |
| Cameroon | CM | No |
| Canada | CA | Yes |
| Cape Verde | CV | No |
| Cayman Islands (UK) | KY | No |
| Central African Republic | CF | No |
| Chad | TD | No |
| Chile | CL | Yes |
| China | CN | No |
| Colombia | CO | Yes |
| Comoros | KM | No |
| Cook Islands | CK | No |
| Costa Rica | CR | No |
| Croatia | HR | No |
| Cuba | CU | No |
| Cyprus | CY | No |
| Czech Republic | CZ | Yes |
| Democratic Republic Of The Congo | CD | No |
| Denmark | DK | Yes |
| Djibouti | DJ | No |
| Dominica | DM | No |
| Dominican Republic | DO | Yes |
| Ecuador | EC | No |
| Egypt | EG | No |
| El Salvador | SV | No |
| Equatorial Guinea | GQ | No |
| Eritrea | ER | No |
| Estonia | EE | Yes |
| Ethiopia | ET | No |
| Faroe Islands | FO | No |
| Fiji | FJ | No |
| Finland | FI | Yes |
| France | FR | Yes |
| French Guiana (France) | GF | No |
| French Polynesia (France) | PF | No |
| Gabon | GA | No |
| Gambia | GM | No |
| Georgia | GE | No |
| Germany | DE | Yes |
| Ghana | GH | No |
| Gibraltar (UK) | GI | No |
| Greece | GR | No |
| Greenland (Denmark) | GL | No |
| Grenada | GD | No |
| Guadeloupe (France) | GP | No |
| Guam | GU | No |
| Guatemala | GT | No |
| Guernsey | GG | No |
| Guinea | GN | No |
| Guinea‚ÄëBissau | GW | No |
| Guyana | GY | No |
| Haiti | HT | No |
| Honduras | HN | No |
| Hong Kong | HK | Yes |
| Hungary | HU | Yes |
| Iceland | IS | No |
| India | IN | Yes |
| Indonesia | ID | No |
| Iraq | IQ | No |
| Ireland | IE | Yes |
| Israel | IL | Yes |
| Italy | IT | Yes |
| Ivory Coast | CI | No |
| Jamaica | JM | No |
| Japan | JP | Yes |
| Jersey | JE | Yes |
| Jordan | JO | No |
| Kazakhstan | KZ | No |
| Kenya | KE | No |
| Kosovo | XK | No |
| Kuwait | KW | No |
| Kyrgyzstan | KG | No |
| Laos | LA | No |
| Latvia | LV | No |
| Lebanon | LB | No |
| Lesotho | LS | No |
| Liberia | LR | No |
| Libya | LY | No |
| Liechtenstein | LI | No |
| Lithuania | LT | Yes |
| Luxembourg | LU | No |
| Macao | MO | No |
| Macedonia | MK | No |
| Madagascar | MG | No |
| Malawi | MW | No |
| Malaysia | MY | Yes |
| Maldives | MV | No |
| Mali | ML | No |
| Malta | MT | No |
| Marshall Islands | MH | No |
| Martinique (France) | MQ | No |
| Mauritania | MR | No |
| Mauritius | MU | No |
| Mexico | MX | Yes |
| Micronesia | FM | No |
| Moldova | MD | No |
| Monaco | MC | No |
| Mongolia | MN | No |
| Montenegro | ME | No |
| Montserrat (UK) | MS | No |
| Morocco | MA | No |
| Mozambique | MZ | No |
| Myanmar | MM | Yes |
| Namibia | NA | No |
| Nepal | NP | No |
| Netherlands | NL | Yes |
| Netherlands Antilles (Netherlands) | AN | No |
| New Caledonia (France) | NC | No |
| New Zealand | NZ | Yes |
| Nicaragua | NI | No |
| Niger | NE | No |
| Nigeria | NG | No |
| Niue | NU | No |
| Norfolk Island | NF | No |
| Norway | NO | Yes |
| Oman | OM | No |
| Pakistan | PK | No |
| Palau | PW | No |
| Palestine | PS | No |
| Panama | PA | No |
| Papua New Guinea | PG | No |
| Paraguay | PY | No |
| Peru | PE | No |
| Philippines | PH | Yes |
| Poland | PL | Yes |
| Portugal | PT | Yes |
| Puerto Rico (US) | PR | Yes |
| Qatar | QA | No |
| Republic Of The Congo | CG | No |
| Romania | RO | No |
| Russia | RU | No |
| Rwanda | RW | No |
| Rv©union (France) | RE | No |
| Saint Lucia | LC | No |
| Saint Vincent and The Grenadines | VC | No |
| Samoa | WS | No |
| San Marino | SM | No |
| Sao Tome and Principe | ST | No |
| Saudi Arabia | SA | No |
| Senegal | SN | No |
| Serbia | RS | No |
| Seychelles | SC | No |
| Sierra Leone | SL | No |
| Singapore | SG | Yes |
| Slovakia | SK | No |
| Slovenia | SI | No |
| Solomon Islands | SB | No |
| Somalia | SO | No |
| South Africa | ZA | Yes |
| South Korea | KR | No |
| South Sudan | SS | No |
| Spain | ES | Yes |
| Sri Lanka | LK | No |
| St Pierre and Miquelon | PM | No |
| St. Kitts and Nevis | KN | No |
| Sudan | SD | No |
| Suriname | SR | No |
| Swaziland (Eswatini) | SZ | No |
| Sweden | SE | Yes |
| Switzerland | CH | Yes |
| Syria | SY | No |
| Taiwan | TW | No |
| Tajikistan | TJ | No |
| Tanzania | TZ | No |
| Thailand | TH | No |
| Timor‚ÄëLeste | TL | No |
| Togo | TG | No |
| Tonga | TO | No |
| Trinidad and Tobago | TT | No |
| Tunisia | TN | No |
| Turkey | TR | No |
| Turkmenistan | TM | No |
| Turks and Caicos Islands | TC | No |
| Tuvalu | TV | No |
| Uganda | UG | No |
| Ukraine | UA | No |
| United Arab Emirates | AE | No |
| United Kingdom | GB | Yes |
| United States | US | Yes |
| United States Virgin Islands | VI | No |
| Uruguay | UY | No |
| Uzbekistan | UZ | No |
| Vanuatu | VU | No |
| Venezuela | VE | No |
| Vietnam | VN | No |
| Yemen | YE | No |
| Zambia | ZM | No |
| Zimbabwe | ZW | No |
Need Help?
If you’re not sure whether two-way SMS is available in your country or you’re experiencing messaging issues, please contact our Customer Care team. We’re happy to assist.
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