Country Code: 246
International Call Prefix: 00
National Significant Numbers (NSN): seven digits
The group of islands forming the British Indian Ocean Territory does not use area codes.
This region includes the Chagos Archipelago, the main island of which is Diego Garcia.
Allocations ALLOCATIONS Service Number Range Fixed +246 37X XXXX Mobile +246 38X XXXX
See also Telephone numbers in the United Kingdom
Further reading
References