ISO 3166-2:IO is the entry for the British Indian Ocean Territory in ISO 3166-2 , part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states ) of all countries coded in ISO 3166-1 .

Currently no ISO 3166-2 codes are defined in the entry for the British Indian Ocean Territory. The territory has no defined subdivisions.

The British Indian Ocean Territory is officially assigned the ISO 3166-1 alpha-2 code IO . Diego Garcia , its largest island, is exceptionally reserved the ISO 3166-1 alpha-2 code DG on the request of the International Telecommunication Union .

External links [ edit ]

• ISO Online Browsing Platform: IO
• British Indian Ocean Territory , Statoids.com