Dialing sequence
Calling to a mobile (cellular) phone
Dial mobile phones with the same call sequence as regular landline phones.
Mobile phone numbers in the British Indian Ocean Territory start with ’38’.
Calling to a satellite phone
There are no country-specific satellite phone ranges listed for the British Indian Ocean Territory.
Some satellite phones in the territory may be based on their own country code – common providers are: Inmarsat (+870, +871, +872, +873, +874), Iridium (+881 6 / +881 7), Globalstar (+881 8 / +881 9, as well as country-specific numbers), and Thuraya (+882 16).
Calling within the British Indian Ocean Territory
Dial all domestic calls with the seven number sequence.
seven-digit number |
local phone number |
British Indian Ocean Territory phone numbers explained
Phone number structure
+246 | seven digits |
British Indian Ocean Territory country code | local phone number |
British Indian Ocean Territory country code: +246 – the country code for the British Indian Ocean Territory in the international phone system.
Local phone number: seven digits.
Mobile phones begin with ’38’. Landline (fixed line) phones begin with ’37’.
Calling internationally from the British Indian Ocean Territory
’00’ is used as an international exit code when dialing an international call from the British Indian Ocean Territory.
Sources and more resources
- ITU (International Telecommunications Union) – United Nations specalized agency for information and communications technologies.
- International Telecommunications Union – DIALLING PROCEDURES (INTERNATIONAL PREFIX, NATIONAL (TRUNK) PREFIX AND NATIONAL (SIGNIFICANT) NUMBER) (IN ACCORDANCE WITH ITU-T RECOMMENDATION E.164 (11/2010)) – A collection of dialing procedures for all countries and regions of the world. Retrieved 16 September 2016.
- International Telecommunications Union – Diego Garcia (country code +246) Communication of 30.XII.2009 – Details of the British Indian Ocean Territory’s (Diego Garcia’s) telephone numbering plan as submitted to the ITU. Retrieved 12 October 2016.
- Wikipedia – Telephone numbers in the Britisn Indian Ocean Territory – Wikipedia entry for telephone number data for the British Indian Ocean Territory.