British Indian Ocean Territory
Mobile networks and carriers in British Indian Ocean Territory use . Find out if your unlocked phone or mobile device will work in British Indian Ocean Territory. See the tables below for details.
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Check device compatibilityThe British Indian Ocean Territory (BIOT) has a mobile network that is primarily managed by Sure (Diego Garcia) Ltd, which operates under the Sure International corporate division. The company was previously known as Cable & Wireless (Diego Garcia) Ltd after being acquired by the Batelco Group in April 2013.
The mobile network in BIOT uses the country code 246 and has a seven-digit National Significant Number (NSN) for all numbers. There are no area codes used in the territory. The mobile network allocation includes numbers starting with +246 38X XXXX for mobile services.
Historically, telecommunications services in BIOT began with Cable & Wireless starting operations in 1982 under a license from the UK Government. The company provided various telecommunications services, including mobile connectivity, which has evolved over the years to meet the needs of the military and civilian personnel stationed on Diego Garcia. The network has been upgraded to include fiber-optic submarine communications cables, enhancing connectivity and data transmission capabilities.
Carriers
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