Telephone numbers in the British Indian Ocean Territory

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[1]
Service	Number Range
Fixed	+246 37X XXXX
Mobile (new)	+246 38X XXXX

See also

• Telephone numbers in the United Kingdom

Further reading

• Staff writer (30 September 2009). "Cable and Wireless Diego Garcia". www.sure.io. Cable & Wireless (published 2 August 2013). Archived from the original on 2 August 2013. Retrieved 3 January 2025. Included the 2009 Phone plan under +246