British Indian Ocean Territory Address Format
There is no standardized civilian address format for the territory. Real-world mail to Diego Garcia uses military addressing (e.g. 'Unit 1234, BFPO 59' or 'PSC 466 Box 12, FPO AP 96595'); the format shown here is a simplified small-to-large layout for testing forms that include IO in their country lists.
Standard format
No postal code rules
| Field name | No postal code |
|---|---|
| Format | N/A - no postal code system (N = digit, A = letter) |
| Rule | The British Indian Ocean Territory has no permanent civilian population and no public postal service. The only inhabited island is Diego Garcia, which hosts the US/UK military support facility; mail for personnel there goes through military postal channels (BFPO 59 for UK forces, FPO AP for US forces) rather than any civilian postal code. There is no ISO/UPU-assigned postcode for IO, so the pattern is null and the generator omits postal codes. |
Fields used in British Indian Ocean Territory
| State / region | No |
|---|---|
| Street address | Yes |
| P.O. Box | No |
FAQ
What postal code format does British Indian Ocean Territory use?
The British Indian Ocean Territory has no permanent civilian population and no public postal service. The only inhabited island is Diego Garcia, which hosts the US/UK military support facility; mail for personnel there goes through military postal channels (BFPO 59 for UK forces, FPO AP for US forces) rather than any civilian postal code. There is no ISO/UPU-assigned postcode for IO, so the pattern is null and the generator omits postal codes.
How do you write an address in British Indian Ocean Territory?
British Indian Ocean Territory addresses are written from the smallest unit to the largest. There is no standardized civilian address format for the territory. Real-world mail to Diego Garcia uses military addressing (e.g. 'Unit 1234, BFPO 59' or 'PSC 466 Box 12, FPO AP 96595'); the format shown here is a simplified small-to-large layout for testing forms that include IO in their country lists.
Does British Indian Ocean Territory use postal codes?
No. The British Indian Ocean Territory has no permanent civilian population and no public postal service. The only inhabited island is Diego Garcia, which hosts the US/UK military support facility; mail for personnel there goes through military postal channels (BFPO 59 for UK forces, FPO AP for US forces) rather than any civilian postal code. There is no ISO/UPU-assigned postcode for IO, so the pattern is null and the generator omits postal codes.
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