| Anguilla | Cable & Wireless W.I. (850 only) |
| Antigua/Barbuda | Cable & Wireless W.I. (850 only) |
| Australia | Telstra |
| | Vodafone |
| Barbados | Cable & Wireless W.I. (850/1900 only) |
| Belgium | Belgacom Mobile |
|---|
| | KPN (was Base/Orange) |
| | Mobistar (unilateral inbound Mobistar customers on the Sure
network only) |
| British Virgin Islands | Cable & Wireless W.I. (850 only) |
| Canada | FIDO (unilateral inbound FIDO customers on the Sure
network only) |
| | Rogers Wireless (1900 only) |
| Cayman Islands | Cable & Wireless W.I. (850/1900 only) |
| Croatia | T-Mobile (was HT Mobile) |
| Cyprus | CYTA |
| Dominica | Cable & Wireless W.I. (850 only) |
| Egypt | Etisalat Misr |
| | Vodafone (Misrfone) |
| Estonia | Elisa (was Radiolinja) |
| France | Bouygues Telecom |
|---|
| | Orange |
| | SFR |
| Gambia | Africell |
| Germany | E-Plus (1800 only) |
| | Telekom Deutschland (was T-Mobile) |
| Greece includes the islands Corfu, Crete & Rhodes | WIND Hellas (was TIM/Stet Hellas) |
| Grenada | Cable & Wireless W.I (850 only) |
| Guyana | Digicel |
| Hong Kong | CSL |
| India | Spice Telecom (Punjab) |
| | IDEA Cellular (Bihar region) (unilateral outbound Sure
customers on the Idea network only) |
| | IDEA Cellular (Chennai/Tamil Nadu region) (unilateral
outbound Sure customers on the Idea network only) |
| | IDEA Cellular (Gujarat region) (unilateral outbound Sure
customers on the Idea network only) |
| | IDEA Cellular (Haryana region) (unilateral outbound Sure
customers on the Idea network only) |
| | IDEA Cellular (Himachal Pradesh region) (unilateral
outbound Sure customers on the Idea network only) |
| | IDEA Cellular (Hyderabad/Andhra region) (unilateral
outbound Sure customers on the Idea network only) |
| | IDEA Cellular (Karnataka region) (unilateral outbound Sure
customers on the Idea network only) |
| | IDEA Cellular (Kolkata region) (unilateral outbound Sure
customers on the Idea network only) |
| | IDEA Cellular (Madhya Pradesh region) (unilateral
outbound Sure customers on the Idea network only) |
| | IDEA Cellular (Maharashtra & Goa region) (unilateral
outbound Sure customers on the Idea network only) |
| | IDEA Cellular (Mumbai region) (unilateral outbound Sure
customers on the Idea network only) |
| | IDEA Cellular (New Delhi region) (unilateral
outbound Sure customers on the Idea network only) |
| | IDEA Cellular (Orissa region) (unilateral outbound Sure
customers on the Idea network only) |
| | IDEA Cellular (Rajasthan region) (unilateral outbound Sure
customers on the Idea network only) |
| | IDEA Cellular (Uttar Pradesh East region) (unilateral
outbound Sure customers on the Idea network only) |
| | IDEA Cellular (Uttar Pradesh West region) (unilateral
outbound Sure customers on the Idea network only) |
| | IDEA Cellular (West Bengal region) (unilateral
outbound Sure customers on the Idea network only) |
| Ireland | Hutchison 3G (SURE customers require a 3G handset to use this
service) |
| | Telefonica O2 (was ESAT Digifone) |
| Isle of Man | "SURE" Cable & Wireless Isle of Man* |
| Italy | Vodafone-Omnitel (unilateral inbound Vodafone
customers on the Sure network only) |
| | WIND |
| Jamaica | Cable & Wireless W.I (850 only) |
| Japan | SoftBank (SURE customers require a 3G handset to use this
service) (unilateral outbound Sure customers on
the SoftBank network only) |
| Jersey | "SURE" Cable & Wireless Jersey* |
| Kenya | Airtel Networks (was Zain/Celtel) |
| Kuwait | Zain (was MTC) |
| Liechtenstein | Telecom FL (Swisscom) |
| Luxembourg | P&T |
| Malaysia | Maxis (unilateral outbound Sure customers on
the Maxis network only) |
| Maldives | Dhiraagu "DhiMobile" (unilateral outbound Sure customers
on the Dhiraagu network only) |
| Malta | GO Mobile |
| | Vodafone |
| Montserrat | Cable & Wireless W.I (850 only) |
| Morocco | IAM |
| Netherlands | KPN |
| | Telfort (unilateral inbound Telfort customers on the
Sure network only) |
| | Vodafone Libertel |
| Peru | Claro (1900 only) (unilateral outbound Sure customers
on the Claro network only) |
| Poland | " T-Mobile" PTC (was ERA) |
| | Orange (was PTK Centertel) |
| | P4 "Playmobile" (unilateral inbound P4 customers on the
Sure network only) |
| Portugal includes the islands of Madeira & Azores | Optimus |
| | TMN |
| Russia | MegaFon (unilateral inbound MegaFon customers on the Sure
network only) |
| Saudi Arabia | Saudi Telecom |
| South Africa | Cell C (unilateral outbound Sure customers on
the CellC network only) |
| | MTN |
| Spain includes the Balearic & Canary Islands | Telefonica "Moviestar" |
| | France Telecom Espana "Orange" (was Retevision "Amena") |
| St Kitts & Nevis | Cable & Wireless W.I (850 only) |
| St Lucia | Cable & Wireless W.I (850/1900 only) |
| St Vincent & Grenadines | Cable & Wireless W.I (850 only) |
| Switzerland | Orange |
| | Swisscom |
| Tanzania | Vodacom |
| Thailand | AIS |
| Trinidad & Tobago | TSTT (unilateral outbound Sure customers on the TSTT
network only) |
| Tunisia | Tunisie Telecom |
| Turkey | AVEA "Aria (was TT&TIM/IS-TIM) (unilateral
outbound Sure customers on the AVEA network only) |
| Turks & Caicos | Cable & Wireless W.I (850 only) |
| Ukraine | Kyivstar |
| | MTS (was UMC) (unilateral outbound Sure customers on
the MTS network only) |
| United Arab Emirates | Etisalat |
| United Kingdom | Vodafone |
| | Orange |
| | T-Mobile |
| | Telefonica O2 |
| | Hutchison 3G (SURE customers require a 3G handset to use this
service) |
| U.S.A | AT&T (1900 only) |
| | Sprint Nextel (unilateral inbound Sprint customers on the
Sure network only) |
| | |