International Roaming
International Roaming is available to visitors on Ascension Island.
Roaming services are available if your Home Mobile Service Provider is one of our following Roaming Partners:
| Roaming Partner | Services Available | Postpaid / Prepaid |
| O2 (Telefonica) UK | Voice, SMS & GPRS Data | Both |
| Vodafone UK | Voice & SMS | Both |
| Hutchison Drei Austria | Voice & SMS | Both |
| Sure Falkland Islands | Voice, SMS & GPRS Data | Postpaid |
| Oredoo Qatar | Voice, SMS & GPRS Data | Postpaid |
| Verizon USA | Voice & SMS | Postpaid |
| SOFTBANK Corp (Japan) | Voice & SMS | Postpaid |
| MTN South Africa | Voice & SMS | Both |
| TelecomItalia | Voice & SMS | Both |
| Sure - Jersey / Guernsey & Isle of Man | Voice & SMS | Postpaid |
| T-Mobile USA | Voice & SMS | Postpaid |
| CVMovel Cape Verde | Voice & SMS | Both |
| Cell-C South Africa | Voice & SMS | Postpaid |
As a Sure Ascension Mobile customer, you can now Roam also using your Sure Ascension SIM. The following lists the countries in which you can currently Roam, and those coming soon:
| Country Location | Services Available | Postpaid / Prepaid |
| St Helena | Voice, SMS & GPRS Data | Both |
| Falkland Islands | Voice, SMS & GPRS Data | Postpaid |
| South Africa | Voice & SMS | Both |
| Cape Verde | Voice & SMS | Both |
Coming Soon:
• USA
• Guernsey / Jersey and Isle of Man
• United Kingdom