British Indian Ocean Territory Postal Codes
Browse 1 regional directory with city-level codes Learn how the British Indian Ocean Territory postal code system is built, write addresses the way local posts expect, and get freight quotes from the same code. Directory re-verified November 12, 2026.
British Indian Ocean Territory Postal Codes
9
Postal codes indexed for British Indian Ocean Territory
Ecer Freight database · Nov 2026
7
Alphanumeric characters in the indexed code format
Ecer Freight directory · 2026
1
Region indexed
Ecer Freight directory · 2026
0
City samples supplied in the directory record
Ecer Freight directory · Nov 2026
The British Indian Ocean Territory entry in the Ecer Freight directory contains 9 postal-code records under the Chagos Islands region. The indexed example uses a United Kingdom-style alphanumeric presentation with a space between the outward and inward portions. City-level samples are not supplied in the current directory record, so destination details should be confirmed with the carrier or postal authority before dispatch.
What postal code is indexed for the Chagos Islands?
The indexed British Indian Ocean Territory example is BB9D 1ZZ, listed under Chagos Islands.
How many regions are listed for British Indian Ocean Territory?
The Ecer Freight directory lists 1 region: Chagos Islands.
Are city-level postal-code samples available?
No city sample is included in the supplied British Indian Ocean Territory directory record. The regional code entry is BB9D 1ZZ.
British Indian Ocean Territory Postal Code Anatomy
Indexed example: BB9D 1ZZ
BB9D|1ZZ
BB9D Outward segment used for the broader routing area in the indexed UK-style format.
1ZZ Inward segment used to refine delivery routing; the exact local allocation should be confirmed before shipment.
British Indian Ocean Territory Regions
The Ecer Freight directory contains one complete regional entry for British Indian Ocean Territory. No city samples are included in the supplied record.
Indexed region and available postal-code sample
| Province/State | Sampled city codes | |
|---|---|---|
| Chagos Islands | BB9D 1ZZ | Open directory → |
Source: Ecer Freight first-party directory data for ISO2 IO, containing 9 indexed postal-code entries across 1 complete regional record. Reviewed November 12, 2026.
British Indian Ocean Territory Address Guide
International shipments to British Indian Ocean Territory require a clear destination name, territory designation, postal code where applicable, and complete transport contact details. Remote or restricted destinations are subject to carrier acceptance and service confirmation.
International postal address format
Use the recipient or organization, delivery location, regional detail where applicable, the postal code, and the destination territory in separate lines. The Universal Postal Union provides general international addressing guidance.
Recipient or organization
Chagos Islands
BB9D 1ZZ
BRITISH INDIAN OCEAN TERRITORY
Chagos Islands
BB9D 1ZZ
BRITISH INDIAN OCEAN TERRITORY
Format should be checked with the accepting postal operator or carrier for the specific service.
Domestic addressing format
For a local delivery, retain the recipient name, facility or delivery location, Chagos Islands, and the indexed postal code. Because the directory record contains no city sample, the exact delivery point and local addressing convention should be confirmed before mailing.
Recipient or facility
Chagos Islands
BB9D 1ZZ
Chagos Islands
BB9D 1ZZ
Courier and e-commerce label points
Keep the territory name in the destination field, enter BB9D 1ZZ exactly as shown, and include a reachable consignee contact, shipment description, customs information, and any site-access instructions required by the carrier. Carrier serviceability should be confirmed before booking.
How to verify a postal code
Search the Ecer Freight directory using the regional keyword Chagos Islands, then cross-check the result with the Universal Postal Union or the accepting carrier. For shipment-specific assistance, use the inquiry page.
Get International Logistics Quotes Fast
Turn the postal code you just found into a landed cost. Ecer Freight quotes FCL & LCL ocean, air, rail and express shipments door-to-door — postal-code level pickup and delivery, customs coordination and cargo insurance included in one inquiry.
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Or reach us via the Contact Us page / WhatsApp +86 136 6733 9260 with your origin & destination postal codes for a same-business-day quote.
British Indian Ocean Territory Postal Code FAQ
How many postal codes does British Indian Ocean Territory have?
The Ecer Freight database contains 9 indexed postal-code entries for British Indian Ocean Territory as of the Nov 2026 snapshot.
What is the indexed postal code for British Indian Ocean Territory?
The supplied directory record lists BB9D 1ZZ under Chagos Islands.
Does British Indian Ocean Territory use a numeric postal code?
The indexed example is alphanumeric and follows an outward-and-inward presentation: BB9D 1ZZ.
What happens if a postal code is incorrect?
An incorrect or incomplete code can cause address validation failure, manual handling, delay, return, or service refusal. The code and destination should be checked with the accepting carrier before dispatch.
How should an international address to British Indian Ocean Territory be written?
Place the recipient or organization first, followed by the delivery location, regional detail, postal code, and the destination territory. Carrier-specific requirements may apply.
How current is the British Indian Ocean Territory postal-code data?
This page reflects the Nov 2026 Ecer Freight data snapshot and was reviewed on November 12, 2026. Postal allocations and carrier acceptance remain subject to confirmation.
How can a British Indian Ocean Territory postal code be searched?
Use the Chagos Islands search in the Ecer Freight directory. Shipment-specific questions can be sent through the inquiry page.
British Indian Ocean Territory Postal-Code Methodology
The directory presents first-party indexed records together with general postal-addressing references. Where a public city-level allocation is not present in the supplied data, the page does not infer or add a city.
- Ecer Freight British Indian Ocean Territory directory — first-party data containing 9 indexed postal-code entries for ISO2 IO.
- GOV.UK — public government reference point for territory and service information.
- Universal Postal Union — international postal addressing and postcode reference resources.
The page was reviewed on November 12, 2026. Counts refer to Ecer Freight database records, while address delivery, local routing, and carrier serviceability remain subject to confirmation.
Prepared and maintained by the Ecer Freight Logistics Research Team using first-party directory data and postal-reference sources, with quarterly review. This edition was reviewed on November 12, 2026.
If an error is found, use the page search function or contact Ecer Freight through About Us.